Microscope

Abstract

A microscope disclosed by the present invention comprises a first illumination system, a second illumination system, a primary mirror and an assistant mirror unit, the first illumination system comprises a first light source, a spectroscope and a first objective lens, the second illumination system comprises a second light source and a second objective lens, and the first objective lens and the second objective lens have a common focal plane; main axis illumination light emitted by the first light source sequentially passes through the spectroscope and the first objective lens and then irradiates a focal plane, and light returned from the focal plane passes through the first objective lens and the spectroscope and then reaches the primary mirror and the assistant mirror unit. Paraxial illumination light emitted by the second light source irradiates the focal plane after passing through the second objective lens, and light returned from the focal plane reaches the primary mirror and the assistant mirror unit after passing through the first objective lens and the spectroscope. The system has main axis illumination and paraxial illumination at the same time, and it can be guaranteed that both the primary mirror and the assistant mirror have high resolution and good imaging effects.

Description

Technical Field

[0001] The present invention relates to the technical field of microscopic instruments, in particular to a microscope. Background Art

[0002] In the prior art, if there are paraxial and spindle illumination (red light reflection illumination), the paraxial illumination needs to pass through the objective lens before it can form an illumination spot on the object plane, or stray light overflows the edge of the objective lens, causing uneven light spots. In order to avoid the paraxial illumination light overflowing the objective lens surface, the illumination spot is usually reduced, which will cause the illumination brightness to decrease; or the objective lens aperture is increased so that the illumination spot can pass through the objective lens. In order to allow both paraxial illumination and spindle illumination to pass through the objective lens completely and to be arranged, the light-transmitting position of the eccentric main mirror and the assistant mirror relative to the center of the objective lens will be passed. For example, in the patent US7907336B2 in the prior art, in the disclosed optical path, the paraxial illumination passes through the objective lens, and the paraxial illumination and the paraxial illumination are distributed simultaneously, so that the light-transmitting of the assistant mirror will deviate from the center of the objective lens, so that the aberration of the assistant mirror will deteriorate under the same light-transmitting aperture. Another example is the patent CN115616752A in the prior art, which discloses that the light beam of the first light source assembly will overflow the edge of the objective lens, resulting in an uneven image spot formed on the surface to be observed.

[0003] In summary, in the prior art, in order to distribute the paraxial and main axis illumination at the same time, the main mirror or the assistant mirror is deliberately eccentric, or in order to achieve a better resolution of the main mirror and the assistant mirror, the objective lens aperture is deliberately increased to leave a light passing position at the assistant mirror. However, this will lead to three problems: 1. The image quality of the main mirror and the assistant mirror will deteriorate; 2. The light passing diameter of the assistant mirror will be severely limited, resulting in a reduction in the resolution of the assistant mirror; 3. Increasing the objective lens aperture will make the entire appearance design larger, while increasing the cost. Summary of the invention

[0004] The purpose of the present invention is to solve the technical problem that when the paraxial and main axis illumination are distributed simultaneously, the main mirror and the auxiliary mirror are eccentric or the light transmission is reduced, resulting in poor image quality and resolution, and to provide a microscope.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A microscope comprises a first illumination system, a second illumination system, a main mirror, and an assistant mirror unit, wherein the first illumination system comprises a first light source, a beam splitter, and a first objective lens, and the second illumination system comprises a second light source and a second objective lens, and the first objective lens and the second objective lens have a common focal plane;

[0007] The main axis illumination light emitted by the first light source passes through the beam splitter and the first objective lens in sequence to illuminate the focal plane, and the light returned from the focal plane passes through the first objective lens and the beam splitter to reach the main mirror and the auxiliary mirror unit;

[0008] The paraxial illumination light emitted by the second light source passes through the second objective lens and then illuminates the focal plane, and the light returned from the focal plane passes through the first objective lens and the beam splitter and then reaches the main mirror and the auxiliary mirror unit.

[0009] In some embodiments of the present invention, the first objective lens at least includes a first cut lens obtained by cutting the first lens.

[0010] In some embodiments of the present invention, the second objective lens at least includes a right-angled triangle prism and a second cut lens, or a reflector and a second cut lens, the second cut lens is obtained by cutting the second lens, and the paraxial illumination light emitted by the second light source passes through the right-angled triangle prism and the second cut lens in sequence and then illuminates the focal plane; the cutting surface of the first cut lens is connected to the cutting surface of the second cut lens.

[0011] In some embodiments of the present invention, the main mirror includes a main mirror magnification assembly, a main mirror binocular tube, and a main mirror eyepiece. The light returned from the focal plane passes through the first objective lens, the beam splitter, and the main mirror magnification assembly in sequence before reaching the main mirror binocular tube and the main mirror eyepiece.

[0012] In some embodiments of the present invention, the assistant mirror unit includes a first assistant mirror, which includes an assistant mirror magnification unit, a first assistant mirror binocular tube, and a first assistant mirror eyepiece. The light returned from the focal plane passes through the first objective lens, the beam splitter, and the assistant mirror magnification unit in sequence to reach the first assistant mirror binocular tube and the first assistant mirror eyepiece.

[0013] In some embodiments of the present invention, the assistant mirror unit includes a second assistant mirror, and the second assistant mirror includes an assistant mirror magnification unit, a second assistant mirror binocular tube, a second assistant mirror eyepiece, and an assistant mirror folding reflector. The light returned from the focal plane passes through the first objective lens, the beam splitter, the assistant mirror folding reflector, and the assistant mirror magnification unit in sequence to reach the second assistant mirror binocular tube and the second assistant mirror eyepiece.

[0014] In some embodiments of the present invention, the number of light beams passing through the assistant mirror unit is one, and the first objective lens is obtained by cutting at a point H away from the center with the center of the lens as the origin, and the value range of H is 8-23 mm.

[0015] In some embodiments of the present invention, the number of light beams passing through the assistant mirror unit is two, and the first objective lens is obtained by cutting away from the center L with the center of the lens as the origin, and the value range of L is 13-23 mm.

[0016] In some embodiments of the present invention, the second cut lens and the first cut lens are spliced ​​together to form a circle with a diameter less than 85 mm.

[0017] In some embodiments of the present invention, an OCT system is also included, which includes a reflector, a second beam splitter, and an OCT data acquisition component, which is used to generate an OCT system beam and to receive and analyze the beam returned from the focal plane to generate an OCT image; wherein the OCT system beam emitted by the OCT data acquisition component passes through the reflector, the second beam splitter, the beam splitter, and the first objective lens in sequence and then irradiates the focal plane, and the beam returned from the focal plane reaches the OCT data acquisition component in the reverse direction, is received by the OCT data acquisition component, and is used to generate the OCT image, wherein the wavelength of the OCT system beam is different from that of the main axis illumination light and the paraxial illumination light.

[0018] The present invention has the following beneficial effects:

[0019] The present invention provides a microscope, which makes the main axis illumination light emitted by a first light source pass through a beam splitter and a first objective lens in sequence to illuminate the focal plane, and the light returned from the focal plane passes through the first objective lens and the beam splitter to reach the main mirror and the assistant mirror unit; at the same time, makes the paraxial illumination light emitted by a second light source pass through a second objective lens to illuminate the focal plane, and the light returned from the focal plane passes through the first objective lens and the beam splitter to reach the main mirror and the assistant mirror unit; the main axis illumination and the paraxial illumination can be arranged at the same time, and there is no need to eccentric the main mirror and the assistant mirror unit, nor is there any need to deliberately increase the aperture of the objective lens, so that the image quality of the main mirror and the assistant mirror unit will not be affected.

[0020] In addition, in some embodiments, the following beneficial effects are also achieved:

[0021] By using a cut objective lens and an external paraxial illumination combination, the assistant mirror unit with a larger aperture can be designed to be un-eccentric, thereby improving the image quality and resolution, while taking into account both paraxial and main axis illumination.

[0022] Other beneficial effects of the embodiments of the present invention will be further described below. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of a microscope in an embodiment of the present invention;

[0024] Figure 2 is a schematic structural diagram of another form of a microscope in an embodiment of the present invention;

[0025] Figure 3A_1 Schematic diagram of the structure of the light hole of the assistant mirror in an embodiment of the present invention;

[0026] Figure 3A_2 It is a schematic diagram of the structure of another form of the light-through hole of the assistant mirror in an embodiment of the present invention;

[0027] Figure 3B_1 2 is a schematic diagram of the structure of the assistant mirror folding reflector in an embodiment of the present invention;

[0028] Figure 3B_2 It is a schematic structural diagram of another form of the assistant mirror folding reflector in an embodiment of the present invention;

[0029] Figure 3B_3 is a schematic structural diagram of an assistant mirror in an embodiment of the present invention;

[0030] Figure 4A is a front view of the first objective lens before and after cutting in an embodiment of the present invention;

[0031] Figure 4B is a side view of the first objective lens before and after cutting in an embodiment of the present invention;

[0032] Figure 5A is a schematic structural diagram of a first objective lens in an embodiment of the present invention;

[0033] Figure 5B is another structural schematic diagram of the first objective lens in an embodiment of the present invention;

[0034] Fig. 6A is a front view of a second objective lens in an embodiment of the present invention;

[0035] Figure 6B is a side view of a second objective lens in an embodiment of the present invention;

[0036] Figure 6C is a top view of the second objective lens in an embodiment of the present invention;

[0037] Figure 7 is a schematic diagram of the second cut lens before and after cutting in an embodiment of the present invention;

[0038] Figure 8 Schematic diagram of projection of the primary mirror, the assistant mirror, the first objective lens and the second objective lens in an embodiment of the present invention;

[0039] Fig. 9 is a top view of a first objective lens and a second objective lens combined in an embodiment of the present invention;

[0040] Fig.10 is a schematic diagram of the structure of the microscope in Example 1;

[0041] Fig.11 is a schematic diagram of a circle formed by splicing the second cut lens and the first cut lens in an embodiment of the present invention;

[0042] The reference numerals are as follows:

[0043] 2101-primary mirror, 101-primary mirror binocular tube and primary mirror eyepiece, 102-primary mirror zoom assembly, 103-assistant mirror folding reflector, 104-beam splitter, 105-first objective lens, 106-second light source, 107-first light source, 108-OCT data acquisition assembly, 109-focal plane;

[0044] 2201-second assistant mirror, 1104-assistant mirror telescope assembly, 1105-assistant mirror zoom assembly, 1106-second assistant mirror binocular tube and second assistant mirror eyepiece;

[0045] 201-primary mirror observation axis, 203-paraxial illumination optical axis, 204-spindle illumination optical axis;

[0046] 301 - second objective lens, 302 - second beam splitter, 303 - reflecting mirror;

[0047] 3101-right triangle prism, 3102-second cut lens;

[0048] 4102-first light hole, 4103-second light hole, 4104-third light hole, 4105-fourth light hole;

[0049] 5101-first assistant mirror; 502-assistant mirror zoom unit, 503-first assistant mirror binocular tube and first assistant mirror eyepiece, 504-assistant mirror first observation axis, 505-assistant mirror second observation axis;

[0050] 601-Assistant mirror unit. DETAILED DESCRIPTION

[0051] The present invention is further described below with reference to the accompanying drawings and in combination with preferred embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0052] It should be noted that the directional terms such as left, right, up, down, top, and bottom in this embodiment are merely relative concepts or are based on the normal use status of the product, and should not be considered as restrictive.

[0053] The following embodiment of the present invention provides a microscope, such as Figure 1-Figure 3B_3As shown, it includes a first lighting system, a second lighting system, a primary mirror 2101, and an assistant mirror unit 601. The first lighting system includes a first light source 107, a beam splitter 104, and a first objective lens 105. The second lighting system includes a second light source 106 and a second objective lens 301, wherein the first objective lens 105 and the second objective lens 301 have a common focal plane; the main axis illumination light emitted by the first light source 107 passes through the beam splitter 104 and the first objective lens 105 in sequence and then irradiates the focal plane 109, and the light returned from the focal plane 109 passes through the first objective lens 105 and the beam splitter 104 and reaches the primary mirror 2101 and the assistant mirror unit 601; the paraxial illumination light emitted by the second light source 106 passes through the second objective lens 301 and then irradiates the focal plane 109, and the light returned from the focal plane 109 passes through the first objective lens 105 and the beam splitter and reaches the primary mirror 2101 and the assistant mirror unit 601. Specifically, the first objective lens 105 at least includes a first cut lens obtained by cutting the first lens; the second objective lens 301 at least includes a right-angled triangle prism 3101 and a second cut lens 3102, or a reflector 303 (not marked in the figure) and the second cut lens 3102, the second cut lens 3102 is obtained by cutting the second lens, and the paraxial illumination light emitted by the second light source 106 passes through the right-angled triangle prism 3101 and the second cut lens 3102 in sequence and then illuminates the focal plane 109; the cutting surface of the first cut lens is connected to the cutting surface of the second cut lens 3102; the main mirror 2101 includes a main mirror magnification component 102, a main mirror binocular tube and a main mirror eyepiece 101, and the light returned from the focal plane 109 passes through the first objective lens 105, the beam splitter 104, the main mirror magnification component 102 in sequence and then reaches the main mirror binocular tube and the main mirror eyepiece 101.

[0054] The embodiment of the present invention has both main axis illumination and paraxial illumination. The illumination light is irradiated onto the working plane and becomes a scatterer. The scatterer is located on the focal plane 109 of the first objective lens 105. After passing through the first objective lens 105, the scatterer is imaged at infinity. Imaging at infinity allows the illumination light to enter the main mirror 2101 and the assistant mirror unit 601. There is no need to deliberately eccentric the positions of the main mirror and the assistant mirror, nor to deliberately increase the aperture of the objective lens, so as to ensure that both the assistant and the main mirror have higher resolution and better imaging effects.

[0055] like Figure 1 and Figure 2 As shown, the main mirror observation system of the microscope is composed of a main mirror 2101, a beam splitter 104, and a first objective lens 105. The main mirror 2101 includes a main mirror magnification component 102 and a main mirror binocular tube and an eyepiece 101. The main mirror observation system is also called a first observation optical path. The main mirror observation system needs to observe a focal plane 109, also called a working plane, through a main mirror observation axis 201.

[0056] like Figure 3A_1-3B_3As shown, the assistant's mirror observation system of the microscope is composed of a first assistant's mirror 5101 and a first objective lens 105. The first assistant's mirror 5101 includes an assistant's mirror magnification unit 502, a first assistant's mirror binocular tube and a first assistant's mirror eyepiece 503. The assistant's mirror observation system is also called a second observation optical path. The assistant's mirror observation system observes the focal plane 109 through the assistant's mirror first observation axis 504 and the assistant's mirror second observation axis 505 respectively.

[0057] Schematic diagram of the light projection of the primary mirror observation system and the auxiliary mirror observation system, as shown in Figure 8 As shown, in order to achieve a better stereoscopic viewing effect, two light paths are usually required, which guide the working plane to the left and right eyes of the viewers through the primary mirror and the assistant mirror respectively. The first light hole 4102 and the third light hole 4104 are schematic projection diagrams of the light passing area through the main mirror magnification body 102 in the main mirror observation system. The first light hole 4102 and the third light hole 4104 correspond to the light holes for left and right eye observation of the main mirror observation system, respectively, and are symmetrical in the horizontal direction relative to the center of the first objective lens 105. In order to achieve a better stereoscopic viewing effect, the center distance usually needs to be maintained at a certain distance; the second light hole 4103 and the fourth light hole 4105 are schematic projection diagrams of the light passing area through the assistant mirror observation system through the assistant mirror magnification body unit 502 or the assistant mirror folding reflector 103. The second light hole 4103 and the fourth light hole 4105 correspond to the light holes for left and right eye observation of the assistant mirror observation system, and are symmetrical in the vertical direction relative to the center of the first objective lens 105, and the center distance is consistent with the center distance of the first light hole 4102 and the third light hole 4104.

[0058] Imaging process:

[0059] like Figure 1 and Figure 2 As shown, the microscope provided by this embodiment uses the illumination light emitted by the first light source 107 and the second light source 106 to illuminate the focal plane 109 through the objective lens, and the light returned from the focal plane 109 can eventually reach the main mirror 2101 and the auxiliary mirror unit 601. Specifically, the microscope includes:

[0060] (1) A first illumination system, comprising a first light source 107, a beam splitter 104, and a first objective lens 105. The first illumination system can guide the illumination light source along the main axis illumination optical axis 204 to the focal plane 109, that is, the first light source 107 emits a beam of main axis illumination light, which illuminates the focal plane 109 after passing through the beam splitter 104 and the first objective lens 105, and provides a uniform illumination spot for the focal plane 109; the light returned from the focal plane 109 passes through the first objective lens 105 and the beam splitter 104 and reaches the primary mirror 2101 and the assistant mirror unit 601, and is thus guided to the viewers of the primary mirror observation system and the assistant mirror observation system.

[0061] (2) A second illumination system, comprising a second light source 106 and a second objective lens 301. The second illumination system can guide the illumination light source along the paraxial illumination optical axis 203 to the focal plane 109, that is, the paraxial illumination light emitted by the second light source 106 passes through the second objective lens 301 and then illuminates the focal plane 109, providing a uniform illumination spot for the focal plane 109; the light returning from the focal plane 109 passes through the first objective lens 105 and the beam splitter 104 and then reaches the primary mirror 2101 and the assistant mirror unit 601, thereby being guided to the viewers of the primary mirror observation system and the assistant mirror observation system.

[0062] Preferably, the main mirror 2101 includes a main mirror binocular tube and an eyepiece 101, the assistant mirror unit 6 includes a first assistant mirror 5101 and a second assistant mirror 2201, the first assistant mirror 5101 includes an assistant mirror magnification unit 502, a first assistant mirror binocular tube and a first assistant mirror eyepiece 503, and the light returned from the focal plane 109 passes through the first objective lens 105, the beam splitter 104, the assistant mirror magnification unit 502 in sequence and then reaches the first assistant mirror binocular tube and the first assistant mirror eyepiece 503; the assistant mirror 2201 includes an assistant mirror magnification unit 502, a second assistant mirror binocular tube and a second assistant mirror eyepiece 1106, and an assistant mirror folding reflector 103, and the light returned from the focal plane 109 passes through the first objective lens 105, the beam splitter 104, the assistant mirror folding reflector 103, the assistant mirror magnification unit 502 in sequence and then reaches the second assistant mirror binocular tube and the second assistant mirror eyepiece 1106. Among them, the assistant mirror magnification unit 502 includes an assistant mirror telescope component 1104 and an assistant mirror magnification component 1105.

[0063] Preferably, in order to arrange coaxial and paraxial illumination at the same time, the assistant mirror does not need to be eccentric, and the first objective lens 105 is a first cut lens, which is obtained by cutting a lens, and the cutting method is realized by cutting lens processes such as milling or fine carving. The cut lens is formed by cutting a part of a complete lens with the same optical parameters, such as Figure 4A , Figure 4B , Figure 5A , Figure 5B shown.

[0064] The illumination light of the second illumination system is not guided to the focal plane 109 by the first objective lens 105, but is guided to the focal plane 109 by the second objective lens 301. The second objective lens 301 is composed of a second cut lens 3102 having the same focal length as the first objective lens 105 and a right triangle prism 3101. Fig. 6A , Figure 6B and Figure 6C These are three views of the combined lens of the second illumination system.

[0065] The first objective lens 105 and the second objective lens 301 are combined into one by mechanical stop, and the second illumination system does not pass through the first objective lens 105, but uses the second objective lens 301 to guide the paraxial illumination light to the common focal plane 109 of the first objective lens 105 and the second objective lens 301. Because the emitted light of the first illumination system can be focused on the focal plane 109 after passing through the first objective lens 105. The second cut lens 3102 used in the second objective lens 301 has the same focal length as the first objective lens 105, so the emitted light of the second illumination system can also be focused on the focal plane 109.

[0066] In a preferred embodiment, when the number of the assistant mirror folding reflector 103 is one (i.e., the number of light beams passing through the assistant mirror unit 601 is one), Figure 2 As shown, taking the center of the lens as the origin, the first objective lens 105 is obtained by cutting away from the center H. The schematic diagram after cutting is as shown in FIG. Figure 5A When the number of assistant mirror folding and reflecting mirrors is two (i.e. the number of light beams passing through assistant mirror unit 601 is two), the first objective lens 105 is obtained by cutting away from the center L. The schematic diagram after cutting is as shown in FIG. Figure 5B As shown. The value range of H is 8-23mm, and the value range of L is 13-23mm (the range of H is 8-23mm because when the assistant mirror has only one left light hole, there is no right light hole, and the cutting range will be larger. After adding the right side of the assistant mirror, some light holes need to be reserved, so the value range of L is 13-23mm.). The design ideas of this embodiment are as follows:

[0067] First, the main mirror has two light holes. In order to achieve a better stereoscopic effect, the center distance is generally 22mm or 24mm. In order to make full use of the light, the diameter of the light hole can be selected from 20-21mm according to the system aperture and magnification. Preferably, the diameter of the light hole is selected as 21mm, and it is 10.5mm after the objective lens symmetrically passes the light. When the assistant mirror has only one light hole, it will only affect the light range of the main mirror. When cutting 8mm away from the center, the light aperture of the main mirror is less than 8mm, which will result in poor imaging resolution and cannot meet the use requirements; when the assistant mirror has two light holes, the cutting range only affects the light of the assistant mirror. When cutting 13mm away from the center, the light hole of the assistant mirror is less than 4mm, which will result in poor imaging resolution and cannot meet the use requirements. In order to leave a suitable light range for the assistant mirror to obtain a better imaging effect, the cutting starts from 23mm away from the center. At this time, the light of the assistant mirror can all pass through the objective lens without causing dark edges.

[0068] Preferably, Fig. 6A , Figure 6B , Figure 6C and Figure 7As shown, the second objective lens 301 includes a right-angled triangle prism 3101 and a second cut lens 3102. In order to arrange coaxial and main-axis illumination at the same time, an assistant lens can still be arranged and the assistant lens is not eccentric. The second cut lens 3102 is obtained by lens cutting, and the cutting method is realized by lens cutting processes such as milling and fine carving. The focal length of the second cut lens 3102 is the same as that of the first cut lens. The paraxial illumination light emitted by the second light source 106 passes through the right-angled triangle prism 3101 and the second cut lens 3102 in turn to illuminate the focal plane 109; the cutting surface of the first cut lens is connected to the cutting surface of the second cut lens.

[0069] The sizes of the illumination spots of the first illumination system and the second illumination system on the focal plane 109 may be inconsistent or consistent. The illumination spots of the first illumination system and the second illumination system are usually different. The size of the illumination spot of the first illumination system can be slightly larger than that of the human eye (the amount of light entering the eye is determined by the pupil) and is generally used for cataract surgery. The size of the illumination spot of the second illumination system is usually larger, and generally illuminates most of the outer eye, and is generally used for outer eye surgery. It is also possible for the two illumination spots to be consistent, that is, the illumination spot of the first illumination system is the same as the illumination spot of the second illumination system, but the central axis angle of the illumination light will not change, and the amount of light entering the eye is still determined by the pupil, so it does not matter if it is the same size as the illumination spot of the second illumination system. The central axis angle of the main axis illumination light is defined as the angle between the optical axis of the outgoing light after the main axis illumination light passes through the first objective lens and the central axis observed by the main lens, and the angle is usually less than 2.5°. The central axis angle of the paraxial illumination light is defined as the angle between the optical axis of the outgoing light after the paraxial illumination light passes through the second objective lens and the optical axis of the first objective lens.

[0070] In a preferred embodiment, the primary mirror 2101 also includes a primary mirror magnification component 102, and the light returned from the focal plane passes through the first objective lens 105, the beam splitter 104, the primary mirror magnification component 102 in sequence and then reaches the primary mirror binocular tube and the eyepiece 101.

[0071] In a preferred primary mirror observation system, the focal plane 109 illumination area is used as the illumination area, and the illumination area can be the illumination area of ​​the first illumination system and the second illumination system, or the illumination area of ​​the first illumination system or the illumination area of ​​the second illumination system, and is guided to the left and right eyes of the viewer via the first objective lens 105, the beam splitter 104, and the primary mirror 2101.

[0072] In a preferred embodiment, the second cut lens is spliced ​​with the first cut lens to form a circle with a diameter d less than 85 mm. Fig.11 shown.

[0073] Example 1

[0074] like Fig.10As shown, the microscope in this embodiment includes, in addition to the above-mentioned main mirror system and assistant mirror system, an optical coherence tomography (OCT) system, hereinafter referred to as the OCT system.

[0075] The OCT system includes a reflector 303, an OCT data acquisition component 108, and a second beam splitter 302 shared with the first illumination system, which is used to generate an OCT system beam and receive and analyze the beam returned from the focal plane 109 to generate an OCT image; the OCT system also shares the first objective lens 105 and the beam splitter 104 with the primary mirror system; wherein the OCT system beam emitted by the OCT data acquisition component passes through the reflector 303, the second beam splitter 302, the beam splitter 104, and the first objective lens 105 in sequence to illuminate the focal plane 109, and the beam returned from the focal plane 109 in sequence in the reverse direction reaches the OCT data acquisition component 108, and is received by the OCT data acquisition component 108 to generate an OCT image. wherein the wavelength of the OCT system beam is different from that of the main axis illumination light and the paraxial illumination light.

[0076] See attached Figure 1 To Attachment Fig.11 , the reference numerals in the embodiments of the present invention are explained as follows:

[0077] 2101 is the primary mirror, including the primary mirror binocular tube and eyepiece 101, and the primary mirror zoom assembly 102. In order to achieve a better stereoscopic viewing effect, it is usually composed of two components, which are used to guide the focal plane 109 to the left eye and right eye of the primary mirror observation system viewer.

[0078] 101 is a primary mirror binocular tube and an eyepiece, which forms an image on the focal plane 109 of the first objective lens 105 through the primary mirror system and guides the image to the left and right eyes of the viewer.

[0079] 102 is a primary mirror zoom assembly, which can magnify or reduce the focal plane 109 of the first objective lens 105 in the primary mirror system, and guide the magnified or reduced image to the left and right eyes of the viewer through the primary mirror binocular and the eyepiece 101.

[0080] 103 is an assistant mirror folding reflector in the assistant mirror observation system for folding the light path. In a specific application example, the assistant mirror folding reflector 103 can be composed of two reflectors, which are used to guide the focal plane 109 to the left eye and the right eye of the viewer of the assistant mirror observation system respectively.

[0081] 104 is a spectroscope, which reflects the main axis illumination light of the first illumination system and the emitted light beam of the OCT system; transmits the main mirror observation axis 201 and the main axis illumination optical axis 204 at the same time.

[0082] 105 is a first objective lens, which is a cut lens and can produce a focal plane 109. Figure 4A and Figure 4B shown.

[0083] 106 is a second light source, which is used to generate a second illumination system illumination light source, namely, paraxial illumination light, and guide the light source to the focal plane 109 through the second illumination system.

[0084] 107 is a first light source, which is used to generate a first illumination system illumination light source, namely, main axis illumination light, and guide the light source to the focal plane 109 through the first illumination system.

[0085] 108 is an OCT data acquisition component, which is used to generate an OCT system beam and guide the beam to the focal plane 109 through the OCT system. At the same time, it receives the reflected light generated by the focal plane 109, analyzes the analysis light, and generates an OCT image.

[0086] Reference numeral 109 is the focal plane of the first objective lens 105 and also the focal plane of the second objective lens 301, which is located near the sample to be observed. Specifically, when the microscope is used in ophthalmology, it is near the cornea of ​​the patient's eye undergoing surgery.

[0087] 201 is the primary mirror observation axis of the primary mirror system, that is, the illuminated area of ​​the focal plane 109 is guided to the primary mirror observation system through the observation axis.

[0088] 504 is the assistant mirror first observation axis of the assistant mirror system, that is, the illuminated area of ​​the focal plane 109 is guided to the assistant mirror observation system through this observation axis.

[0089] 203 is the paraxial illumination optical axis, that is, the second illumination optical axis.

[0090] 204 is the main illumination optical axis, that is, the first illumination optical axis.

[0091] 301 is a second objective lens, which is composed of a right triangle prism 3101 and a second cut lens 3102. Fig. 6A , Figure 6B and Figure 6C shown.

[0092] 3101 is a right triangle prism.

[0093] 3102 is the second cut lens, which has the same focal length as the first objective lens 105.

[0094] 302 is a second beam splitter, which transmits the illumination light of the first illumination system and reflects the light beam of the OCT system.

[0095] 303 is a reflector, which is used to reflect the OCT system light beam.

[0096] The first light hole 4102 and the third light hole 4104 are schematic projection diagrams of the light transmission area through the main mirror magnification changer 102 in the main mirror observation system.

[0097] The second light hole 4103 and the fourth light hole 4105 are schematic projection diagrams of the light transmission area of ​​the assistant mirror observation system through the assistant mirror magnification unit 502 or the assistant mirror folding reflector 103.

[0098] 5101 is the first assistant mirror.

[0099] 502 is an assistant lens zoom unit.

[0100] 503 is a first assistant mirror binocular tube and a first assistant mirror eyepiece.

[0101] 504 is the first observation axis of the assistant mirror.

[0102] 505 is the second observation axis of the assistant mirror.

[0103] The above contents are further detailed descriptions of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art of the present invention, several equivalent substitutions or obvious variations can be made without departing from the concept of the present invention, and the performance or use is the same, which should be regarded as belonging to the protection scope of the present invention.

Claims

1. A microscope, characterized in that: The invention comprises a first illumination system, a second illumination system, a primary mirror and an assistant mirror unit, wherein the first illumination system comprises a first light source, a beam splitter and a first objective lens, the second illumination system comprises a second light source and a second objective lens, and the first objective lens and the second objective lens have a common focal plane; The main axis illumination light emitted by the first light source passes through the beam splitter and the first objective lens in sequence to illuminate the focal plane, and the light returned from the focal plane passes through the first objective lens and the beam splitter to reach the main mirror and the auxiliary mirror unit; The paraxial illumination light emitted by the second light source passes through the second objective lens and then illuminates the focal plane, and the light returned from the focal plane passes through the first objective lens and the beam splitter and then reaches the main mirror and the auxiliary mirror unit.

2. The microscope according to claim 1, characterized in that The first objective lens at least includes a first cut lens obtained by cutting a first lens.

3. The microscope according to claim 2, characterized in that The second objective lens at least includes a right-angled triangle prism and a second cut lens, or a reflector and a second cut lens, the second cut lens is obtained by cutting the second lens, and the paraxial illumination light emitted by the second light source passes through the right-angled triangle prism and the second cut lens in sequence and then illuminates the focal plane; the cutting surface of the first cut lens is connected to the cutting surface of the second cut lens.

4. The microscope according to claim 1, characterized in that The primary mirror comprises a primary mirror magnification component, a primary mirror binocular tube, and a primary mirror eyepiece. The light returned from the focal plane passes through the first objective lens, the beam splitter, and the primary mirror magnification component in sequence before reaching the primary mirror binocular tube and the primary mirror eyepiece.

5. The microscope according to claim 1, wherein the assistant mirror unit comprises a first assistant mirror, and the first assistant mirror comprises an assistant mirror magnification unit, a first assistant mirror binocular tube and a first assistant mirror eyepiece, and the light returned from the focal plane passes through the first objective lens, the beam splitter, the assistant mirror magnification unit in sequence and then reaches the first assistant mirror binocular tube and the first assistant mirror eyepiece.

6. The microscope according to claim 1, wherein the assistant mirror unit also includes a second assistant mirror, and the second assistant mirror includes an assistant mirror magnification unit, an assistant mirror folding reflector, a second assistant mirror binocular tube and a second assistant mirror eyepiece, and the light returned from the focal plane passes through the first objective lens, the beam splitter, the assistant mirror folding reflector, the assistant mirror magnification unit in sequence and then reaches the second assistant mirror binocular tube and the second assistant mirror eyepiece.

7. The microscope according to any one of claims 5 to 6, characterized in that The number of light beams passing through the assistant mirror unit is one, and the first objective lens is obtained by cutting at a point H away from the center with the center of the lens as the origin, and the value range of H is 8-23mm.

8. The microscope according to any one of claims 5 to 6, characterized in that The number of light beams passing through the assistant mirror unit is two. The first objective lens is obtained by cutting away from the center L with the center of the lens as the origin, and the value range of L is 13-23mm.

9. The microscope according to claim 3, characterized in that: The second cut lens and the first cut lens are spliced ​​to form a circle with a diameter less than 85 mm.

10. The microscope according to claim 1, characterized in that It also includes an OCT system, which includes a reflector, a second beam splitter, and an OCT data acquisition component, which is used to generate an OCT system beam and to receive and analyze the beam returned from the focal plane to generate an OCT image; wherein the OCT system beam emitted by the OCT data acquisition component passes through the reflector, the second beam splitter, the beam splitter, and the first objective lens in sequence and then irradiates the focal plane, and the beam returned from the focal plane reaches the OCT data acquisition component in the reverse direction, is received by the OCT data acquisition component, and is used to generate an OCT image, wherein the wavelength of the OCT system beam is different from that of the main axis illumination light and the paraxial illumination light.

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