Optical element rotation adjuster and adjustment method

Abstract

The application relates to an optical element rotation adjuster and an adjusting method, and the optical element rotation adjuster comprises a front cover (1), a rear cover (2) and an element rotation cabin (3) rotationally arranged between the front cover (1) and the rear cover (2), an element drawer (4) is detachably arranged on the element rotation cabin (3), an optical element (5) is arranged in the element drawer (4), the front cover (1), the rear cover (2) and the element rotation cabin (3) are all provided with light transmission holes, the light transmission holes are partially or totally overlapped, and the optical element (5) is located at the overlapped position of the light transmission holes. Compared with the prior art, the application can overcome the defects that the optical element adjuster cannot realize arbitrary angle adjustment, the operation is complex, and the flexibility and compatibility are poor.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of optical instruments and equipment, in particular to an optical element rotation adjuster and an adjusting method. BACKGROUND

[0002] Since the emergence of laser in the early 1960s, a large number of new achievements have been obtained in the field of optics, and a series of new branches in the field of optics have been derived, and the field of optics has shown unprecedented research potential. At the same time, the progress of research in the field of optics needs advanced optical technology and instruments as support. With the continuous development of modern science and technology, and in order to meet the needs of research in the field of cutting-edge optics, a series of supporting equipment for optical experiments have been very common in laboratories at present, among which optical mechanical parts such as optical element mounting brackets can realize the installation and adjustment of optical elements such as deflection, angle, pitch, etc., and are often used in precise optical experiments, which can meet the needs of experimental adjustment in many aspects. However, such optical equipment often has defects such as complex use and limited adjustment range, which limits the wider compatibility of the equipment and its application in other fields. At present, there are few optical equipment on the market that can be used to adjust the optical element in the axial direction, and there are problems such as limited adjustment angle range, insufficient protection of optical elements, and poor use feeling. SUMMARY

[0003] The purpose of the present application is to provide an optical element rotation adjuster and an adjusting method to overcome the defects of the prior art that the optical element adjuster cannot realize arbitrary angle adjustment and the operation is complex.

[0004] The purpose of the present application can be achieved by the following technical scheme: an optical element rotation adjuster, comprising a front cover, a rear cover and an element rotation cabin rotatably arranged between the front cover and the rear cover, an element drawer being detachably mounted on the element rotation cabin, an optical element being arranged in the element drawer, the front cover, the rear cover and the element rotation cabin each being provided with a light transmission hole, the light transmission holes being partially or entirely overlapped, and the optical element being located at the overlapped position of the light transmission holes.

[0005] In the present application, the light transmission holes on the front cover, the rear cover and the element rotation cabin have an overlapped portion after being fixed, and the element rotation cabin can be axially adjusted at an arbitrary angle.

[0006] Preferably, the optical element comprises a liquid crystal cell and a square wave plate.

[0007] Preferably, the centers of the light transmission holes of the front cover, the element rotation cabin and the rear cover are approximately on the same horizontal line to ensure that the light transmission holes of the three have the most overlapped portion.

[0008] Preferably, the front cover, the rear cover and the element rotation cabin each have a cylindrical structure and are arranged in an isometric manner, and the light transmission holes are coaxial.

[0009] Preferably, the element rotating cabin is provided with annular grooves or annular protrusions on its front and back sides, and the front cover and the back cover are respectively provided with protrusions or grooves matching the annular grooves or annular protrusions.

[0010] Preferably, the front cover and the back cover are provided with magnetic sheets for mutual attraction to assist mechanical connection.

[0011] Further preferably, the magnetic sheets are magnetic iron sheets.

[0012] Further preferably, the magnetic sheets are annular.

[0013] Further preferably, the magnetic sheets are arranged on opposite sides of the front cover and the back cover.

[0014] Preferably, the element drawer is inserted and mounted on the element rotating cabin through the mounting hole penetrating the outer wall and the light hole on the inner side of the element rotating cabin.

[0015] Preferably, the element drawer is provided with elastic metal sheets for limiting the optical elements.

[0016] Further preferably, the elastic metal sheets are elastic copper sheets.

[0017] Further preferably, the elastic metal sheets are connected with conductive metal sheets, and the conductive metal sheets protrude from the surface of the element drawer. The elastic metal sheets and the conductive metal sheets are interconnected, and the conductive property of the metal sheets can realize the function of applying an electric signal to the optical elements.

[0018] Further preferably, the element drawer is provided with conductive metal sheets on both the front and back sides.

[0019] Further preferably, the front cover and the back cover are provided with annular metal sheets, and the annular metal sheets are in contact with the conductive metal sheets for conduction. The annular metal sheets are preferably annular copper sheets.

[0020] Further preferably, the conductive metal sheets are conductive copper sheets.

[0021] Preferably, the annular metal sheets are arranged on opposite sides of the front cover and the back cover.

[0022] Preferably, the front cover and the back cover are connected with a support group, and the support group includes support rods and connecting elements arranged on the support rods, and the connecting elements and the support rods are respectively connected with the front cover and the back cover. The support group is used to integrate the optical element rotating adjuster and fix it on the support, while not affecting the arbitrary angle adjustment of the element rotating cabin.

[0023] Preferably, the element rotating cabin includes an inner ring, an outer ring, and spherical alloy steel balls arranged between the inner ring and the outer ring, and the outer ring is provided with a tooth pattern.

[0024] Preferably, the element drawer is provided with a detachable handle. By providing the element drawer with a detachable handle, the element drawer is easy to pull out, and the handle can be detached as needed in actual use.

[0025] Preferably, the front cover and the rear cover are both laser-marked with scale lines.

[0026] An optical element rotation adjustment method using the optical element rotation adjuster described above, comprising the following steps:

[0027] a. pulling out the element drawer from the element rotation cabin;

[0028] b. placing the optical element to be adjusted in the element drawer, and putting the element drawer back into the element rotation cabin;

[0029] c. connecting the front cover, the element rotation cabin and the rear cover into an integral whole;

[0030] d. realizing the rotation adjustment of the optical element by rotating the element rotation cabin.

[0031] The optical element rotation adjuster has strong compatibility, simple operation and high flexibility, and can meet the needs of rotation adjustment of some polarized optical elements such as liquid crystal boxes at any angle in the laboratory; the operation steps for adjusting the angle of the optical element and replacing the optical element can be greatly simplified, thereby improving the experimental efficiency. In addition, since there are often experiments in the laboratory that require applying an electrical signal to an optical wave plate, but existing optical experiment equipment often separates the electrical function from the mechanical function, therefore one of the development hotspots or trends of optical experiment equipment is mechatronics, which has the advantage of reducing the cumbersome use of optical equipment.

[0032] Compared with the prior art, the present application has the following advantages:

[0033] 1. The present application can overcome the defects of the prior art that the optical element adjuster cannot realize arbitrary angle adjustment, the operation is complex, and the flexibility and compatibility are poor;

[0034] 2. The present application uses a cylindrical design to realize axial rotation adjustment of the wave plate at any angle, and the optical element is easy to take, place or replace at any angle, which is beneficial to improve the optical experiment precision and the flexibility of the optical equipment;

[0035] 3. The present application can place optical elements within a certain size range through the element drawer, thereby improving the compatibility of the adjustable elements, and the design of the optical limiting system in the element drawer can better fix and protect the optical elements;

[0036] 4. The conductive system composed of the front cover, the rear cover and the element rotating cabin can apply electrical signals to the element wave plate at any angle without adjusting the position of the wire, and the conductive system is combined with the mechanical system to provide more convenience for actual experimental operation;

[0037] 5. The optical element rotating adjuster has low operation difficulty, small size, exquisite appearance and low cost, and improves the flexibility of the optical element;

[0038] 6. The optical element rotating adjuster has small size, simple operation and portability, is suitable for laboratory scenes and more normalized life application scenes, and widens potential application fields. BRIEF DESCRIPTION OF DRAWINGS

[0039] Figure 1 It is a first structure diagram of the optical element rotating adjuster of the application Figure 1 ;

[0040] Figure 2 It is a first structure diagram of the optical element rotating adjuster of the application Figure 2 ;

[0041] Figure 3 It is a second structure diagram of the optical element rotating adjuster of the application;

[0042] Figure 4 It is a third structure diagram of the optical element rotating adjuster of the application;

[0043] Figure 5 It is a side view diagram of the support group of the application;

[0044] Figure 6 It is a main function module diagram of the optical element rotating adjuster of the application;

[0045] In the figure: 1-front cover, 2-rear cover, 3-element rotating cabin, 4-element drawer, 5-optical element, 6-magnetic sheet, 7-elastic metal sheet, 8-conductive metal sheet, 9-ring metal sheet, 10-support group, 101-support rod, 102-connecting element, 11-adaptor. DETAILED DESCRIPTION

[0046] The application will be described in detail below in combination with the drawings and specific embodiments. The following embodiments are implemented on the premise of the technical scheme of the application, and detailed implementation modes and specific operation processes are given, but the protection scope of the application is not limited to the following embodiments.

[0047] Embodiment 1

[0048] An optical element rotating adjuster comprises a front cover 1, a rear cover 2 and an element rotating cabin 3 rotatingly arranged between the front cover 1 and the rear cover 2.

[0049] Specifically, a component drawer 4 can be detachably inserted into the component rotating chamber 3, and an optical component 5 is placed inside the component drawer 4. The front cover 1, the rear cover 2, and the component rotating chamber 3 are all provided with light-transmitting holes, and the light-transmitting holes partially or completely overlap. The optical component 5 is located at the overlapping part of the light-transmitting holes.

[0050] Example 2

[0051] like Figures 1-2 As shown, an optical element rotation adjuster includes a front cover 1, an element rotation chamber 3, a rear cover 2, and a support assembly 10 connected in sequence. The element rotation chamber 3 includes an element drawer 4. A mechanical connection device is provided between the front and rear covers and the element rotation chamber 3. The support assembly 10 can reinforce the connection between the front and rear covers and the element rotation chamber, as well as its connection with the base and the support rod, through a connecting element 102. The front cover 1, the rear cover 2, and the element rotation chamber 3 together form the conductive system of the optical element rotation adjuster, which can apply an electrical signal to the optical element 5 placed in the element drawer 4.

[0052] The front cover 1, the component rotating chamber 3, and the rear cover 2 have the same outer diameter, and the centers of their light-transmitting holes are roughly on the same horizontal line to ensure that their light-transmitting holes have the most overlapping part.

[0053] The front cover 1 and the rear cover 2 are respectively provided with annular magnetic sheets 6 that attract each other, and the front cover 1, the component rotating chamber 3 and the rear cover 2 are connected into a whole by magnetic force.

[0054] The component drawer 4 is equipped with an optical limiting system made of elastic copper sheet, which is compatible with optical components 5 within a certain size range. At the same time, the optical limiting system is interconnected with the conductive system, and the conductivity of the copper sheet enables the application of electrical signals to the optical components 5.

[0055] The component drawer 4 is equipped with a detachable handle, which makes it easy to pull out the component drawer. The handle can also be removed as needed during actual use.

[0056] The conductive system provided in the front cover 1, rear cover 2 and component rotating chamber 3 can achieve the conductive function of the system by directly contacting the conductive copper sheet.

[0057] In this embodiment, the diameter of the front cover 1, the component rotating chamber 3 and the rear cover 2 is 60mm, the diameter of the light-transmitting hole of the front and rear covers is 12mm, the inner diameter of the component rotating chamber 3 is 30mm and the thickness is 8mm.

[0058] An annular protrusion is provided on both sides of the light-transmitting hole on the component rotating chamber 3. The outer diameter of the protrusion is 45mm, the inner diameter is 30mm, and the height of each side of the protrusion is 1mm. In order to connect the front cover 1, the component rotating chamber 3, and the rear cover 2 into a whole, a corresponding annular groove is provided on the front cover 1 and the rear cover 2 along the light-transmitting hole. The outer diameter of the groove is 45mm, the inner diameter is 30mm, and the depth of the groove is 1mm.

[0059] The component rotation chamber 3 can be adjusted to any angle, and is used to control the placement angle of the optical component 5.

[0060] The annular metal piece 9 on the front cover 1 and the rear cover 2 has an outer diameter of 30mm and an inner diameter of 12mm.

[0061] The annular magnetic sheet 6 on the front cover 1 and the rear cover 2 has an outer diameter of 45mm and an inner diameter of 30mm.

[0062] The optical element 5 has a thickness of 1-4 mm, a height of 6-10 mm, and a length of 20-24 mm. It is used to generate the diffraction of the target pattern and is placed in the element drawer 4.

[0063] The conductive system, consisting of the front cover 1, the rear cover 2, and the component rotating chamber 3, can apply electrical signals to the optical component 5 after the wires are correctly connected to the power supply.

[0064] like Figure 5 As shown, the support rod 101 of the base has a thread at the top, and the connecting element 102 has two hollow holes on both sides, one for passing through a screw and the other for passing through the support rod 101. The bottom of the front cover 1 and the rear cover 2 have corresponding screw holes. By connecting the rear cover 2 to the support rod 101 and the front cover 1 to the screw through the connecting element 102, the optical element adjuster can be fixed on the bracket assembly 10.

[0065] The specific implementation steps are as follows:

[0066] (1) Remove component drawer 4 from component rotating compartment 3;

[0067] (2) Place the optical element 5 that needs to be adjusted into the element drawer 4, and put the element drawer 4 back into the element rotating chamber 3;

[0068] (3) Install the front cover 1 and adjust the annular groove on the front cover 1 to fit with the annular protrusion on the component rotating chamber 3; install the rear cover 2 and adjust the annular groove on the rear cover 2 to fit with the annular protrusion on the component rotating chamber 3; use the magnetic force of the annular magnetic sheet 6 to connect the front cover 1, the component rotating chamber 3 and the rear cover 2 into a whole.

[0069] (4) Install bracket assembly 10 to fix the front cover 1, component rotating chamber 3 and rear cover 2 as a whole onto the base and support rod 101;

[0070] (5) Install adapter 11 and connect the power supply as needed.

[0071] Example 3

[0072] like Figure 3 As shown, an optical element rotation adjuster includes a front cover 1, an element rotation chamber 3, a rear cover 2, and a support assembly 10 connected in sequence. The element rotation chamber 3 includes an element drawer 4. A mechanical connection device is provided between the front and rear covers and the element rotation chamber 3. The support assembly 10 can reinforce the connection between the front and rear covers and the element rotation chamber, as well as its connection with the base and the support rod, through a connecting element 102. The front cover 1, the rear cover 2, and the element rotation chamber 3 together form the conductive system of the optical element rotation adjuster.

[0073] The front cover 1, the component rotating chamber 3, and the rear cover 2 have the same outer diameter, and the centers of their light-transmitting holes are roughly on the same horizontal line to ensure that their light-transmitting holes have the most overlapping part.

[0074] The front cover 1 and the rear cover 2 are respectively provided with annular magnetic sheets 6 that attract each other, and the front cover 1, the component rotating chamber 3 and the rear cover 2 are connected into a whole by magnetic force.

[0075] The component drawer 4 is equipped with an optical limiting system made of elastic copper sheet, which is compatible with optical components 5 within a certain size range. At the same time, the optical limiting system is interconnected with the conductive system, and the conductivity of the copper sheet enables the application of electrical signals to the optical components.

[0076] The component drawer 4 is equipped with a detachable handle, which makes it easy to pull out the component drawer. The handle can also be removed as needed during actual use.

[0077] The conductive system provided in the front cover 1, rear cover 2 and component rotating chamber 3 can achieve the conductive function of the system by directly contacting the conductive copper sheet.

[0078] In this embodiment, the diameter of the front cover 1, the component rotating chamber 3 and the rear cover 2 is 60mm, the diameter of the light-transmitting hole of the front and rear covers is 12mm, the inner diameter of the component rotating chamber 3 is 30mm and the thickness is 10mm.

[0079] An annular groove is provided on both sides of the light-transmitting hole on the component rotating chamber 3. The outer diameter of the groove is 45mm, the inner diameter is 30mm, and the depth of each side of the groove is 1mm. In order to connect the front cover 1, the component rotating chamber 3, and the rear cover 2 into a whole, a corresponding annular protrusion is provided on the front cover 1 and the rear cover 2 along the light-transmitting hole. The outer diameter of the protrusion is 45mm, the inner diameter is 30mm, and the height of the protrusion is 1mm.

[0080] The component rotation chamber 3 can be adjusted to any angle, and is used to control the placement angle of the optical component 5.

[0081] The thickness of the optical element 5 can be 1-4 mm, the height can be 6-10 mm, and the length can be 20-24 mm, for realizing the diffraction generation of the target pattern, and the element drawer 4 is placed in the element rotating cabin 3.

[0082] The outer diameter of the annular metal sheet 9 on the front cover 1 and the rear cover 2 is 30 mm, and the inner diameter is 12 mm.

[0083] The outer diameter of the annular magnetic sheet 6 on the front cover 1 and the rear cover 2 is 45 mm, and the inner diameter is 30 mm.

[0084] The conductive system composed of the front cover 1, the rear cover 2 and the element rotating cabin 3 can apply an electric signal to the optical element 5 after the wires are correctly connected to the power supply.

[0085] As shown in Figure 5 The top of the support rod 101 of the base is provided with a thread, and the two sides of the connecting element 102 are provided with two hollow holes, one of which is used for passing through a screw, and the other is used for passing through a support rod. The bottom of the front cover 1 and the rear cover 2 is provided with corresponding screw holes, and the rear cover 2 is connected with the support rod 101, and the front cover 1 is connected with the screw through the connecting element 102, so that the optical element adjuster can be fixed on the support group 10.

[0086] The specific implementation steps are as follows:

[0087] (1) Draw out the element drawer 4 from the element rotating cabin 3;

[0088] (2) Place the optical element 5 to be adjusted in the element drawer 4, and put the element drawer 4 back into the element rotating cabin 3;

[0089] (3) Install the front cover 1, adjust the annular protrusion on the front cover 1 to fit the annular groove of the element rotating cabin 3; install the rear cover 2, adjust the annular protrusion on the rear cover 2 to fit the annular groove of the element rotating cabin 3; connect the front cover 1, the element rotating cabin 3 and the rear cover 2 into a whole by the magnetic force of the annular magnetic sheet 6;

[0090] (4) Install the support group 10 to fix the whole composed of the front cover 1, the element rotating cabin 3 and the rear cover 2 on the base and the support rod;

[0091] (5) Install the adapter 11 and the power supply as needed.

[0092] Example 4

[0093] As shown in Figure 4As shown, the optical element rotation regulator comprises a front cover 1, an element rotation cabin 3, a rear cover 2 and a support group 10 connected in sequence, the element rotation cabin 3 comprises an element drawer 4, mechanical connecting devices are arranged between the front cover and the rear cover and the element rotation cabin 3, the support group 10 can reinforce the connection between the front cover and the rear cover and the element rotation cabin 3 and the connection between the front cover and the rear cover and the element rotation cabin 3 and the base and the support rod through a connecting element 102, the front cover 1, the rear cover 2 and the element rotation cabin 3 jointly constitute the conductive system of the optical element rotation regulator.

[0094] The outer diameters of the front cover 1, the element rotation cabin 3 and the rear cover 2 are the same, and the centers of the light transmission holes of the three are substantially on the same horizontal line, so as to ensure that the light transmission holes of the three have the most overlapping parts.

[0095] The front cover 1 and the rear cover 2 are respectively provided with an attractive annular magnetic sheet 6, and the front cover 1, the element rotation cabin 3 and the rear cover 2 are auxiliary connected as a whole through magnetic force.

[0096] The element drawer 4 is provided with an optical limiting system made of elastic copper sheet, which can be compatible with optical elements within a certain size range. Meanwhile, the optical limiting system is interconnected with the conductive system, and the conductive characteristics of the copper sheet can realize the function of applying electrical signals to the optical element.

[0097] The element drawer 4 is provided with a detachable handle, which is convenient for pulling out the element drawer, and the handle can also be removed according to the needs in actual use.

[0098] The conductive system provided on the front cover 1, the rear cover 2 and the element rotation cabin 3 can realize the conductive function of the system by directly contacting the conductive copper sheet.

[0099] In the embodiment, the diameters of the front cover 1, the element rotation cabin 3 and the rear cover 2 are 60 mm, the diameters of the light transmission holes of the front cover and the rear cover are 12 mm, the inner diameter of the element rotation cabin 3 is 30 mm, and the thickness is 8 mm.

[0100] An annular protrusion with an outer diameter of 40 mm and an inner diameter of 30 mm is arranged on the element rotation cabin 3 along the two sides of the light transmission hole, and the heights of the two sides of the protrusion are 1 mm respectively. In order to connect the front cover 1, the element rotation cabin 3 and the rear cover 2 as a whole, a corresponding annular groove with an outer diameter of 40 mm and an inner diameter of 30 mm is arranged on the front cover 1 and the rear cover 2 along the light transmission hole, and the depth of the groove is 1 mm.

[0101] Spherical alloy steel balls are arranged between the inner ring and the outer ring of the element rotation cabin 3, and the friction between the elements is reduced by rolling of the steel balls instead of sliding, and the diameter of the spherical steel balls is 10 mm; the outer ring is provided with a tooth pattern.

[0102] The adjustment range of the element rotation cabin 3 is any angle, which is used for controlling the placement angle of the optical element 5.

[0103] The thickness of the optical element 5 can be 1-4 mm, the height can be 6-10 mm, and the length can be 20-24 mm, for realizing the diffraction generation of the target pattern, and the optical element 5 is placed in the element drawer 4.

[0104] The outer diameter of the annular metal sheet 9 on the front cover 1 and the rear cover 2 is 30 mm, and the inner diameter is 12 mm.

[0105] The outer diameter of the annular magnetic sheet 6 on the front cover 1 and the rear cover 2 is 40 mm, and the inner diameter is 30 mm.

[0106] The conductive system composed of the front cover 1, the rear cover 2, and the element rotating cabin 3 can apply an electric signal to the optical element 5 after the wires are correctly connected to the power supply.

[0107] As shown in Figure 5 The top of the support rod 101 of the base is provided with a thread, and the two sides of the connecting element 102 are provided with two hollow holes, one of which is used for passing through a screw, and the other is used for passing through a support rod. The bottom of the front cover 1 and the rear cover 2 is provided with corresponding screw holes, and the rear cover 2 is connected with the support rod 101, and the front cover 1 is connected with the screw through the connecting element 102, so that the optical element adjuster can be fixed on the support group 10.

[0108] The specific implementation steps are as follows:

[0109] (1) Draw out the element drawer 4 from the element rotating cabin 3;

[0110] (2) Place the optical element 5 to be adjusted in the element drawer 4, and put the element drawer 4 back into the element rotating cabin 3;

[0111] (3) Install the front cover 1, adjust the annular groove on the front cover 1 to fit the spherical steel ball of the element rotating cabin 3; install the rear cover 2, adjust the annular groove on the rear cover 2 to fit the spherical steel ball of the element rotating cabin 3; and connect the front cover 1, the element rotating cabin 3, and the rear cover 2 into an integral whole by the magnetic force of the annular magnetic sheet 6;

[0112] (4) Install the support group 10 to fix the integral whole composed of the front cover 1, the element rotating cabin 3, and the rear cover 2 on the base and the support rod;

[0113] (5) Install the adapter 11 and the power supply as needed.

[0114] Example 5

[0115] An optical element rotating adjuster, as Figure 6As shown, the main functional modules are divided into mechanical connection module, component installation and adjustment module and conductive module. Among them, the component installation and adjustment module includes component rotating cabin 3 and component drawer 4, the component drawer 4 is detachably installed on the component rotating cabin 3, and the front cover 1 and the rear cover 2 are respectively arranged on the front and rear sides of the component rotating cabin 3. The mechanical connection module includes connecting elements 102, support groups 10 (screws, support rods 101, bases, etc.), annular magnetic sheets 6 on the front and rear covers, etc. The support groups 10 can reinforce the connection between the front and rear covers and the component rotating cabin and the connection between the base and the support rod through a connecting element 102. The front cover 1 and the rear cover 2 are respectively provided with an annular magnetic sheet 6 that is attracted, and the front cover 1, the component rotating cabin 3 and the rear cover 2 are auxiliary connected into a whole through magnetic force. The conductive module includes annular metal sheets 9 on the front and rear covers, wires, elastic metal sheets 7 on the component drawer 4, adapter interfaces 11, etc. An annular metal sheet 9 is arranged on the opposite side of the front cover 1 and the rear cover 2, and the annular metal sheet 9 is connected with a wire. An elastic metal sheet 7 is arranged on the component drawer 4, the elastic metal sheet 7 is connected with a conductive metal sheet 8, and the conductive metal sheet 8 can be in contact with the annular metal sheet 9 for conduction.

[0116] Specifically:

[0117] The outer diameters of the front cover 1, the component rotating cabin 3 and the rear cover 2 are the same, and the centers of the light transmission holes of the three are substantially on the same horizontal line, so as to ensure that the light transmission holes of them have the most overlapping parts.

[0118] The component drawer 4 is provided with an optical limiting system made of an elastic copper sheet (elastic metal sheet 7), which can be compatible with optical elements 5 within a certain size range. At the same time, the optical limiting system can realize the function of applying an electrical signal to the optical element 5 by using the conductive property of the copper sheet.

[0119] A detachable handle is arranged on the component drawer 4, which is convenient for pulling out the component drawer, and the handle can also be removed according to needs in actual use.

[0120] In the embodiment, the diameters of the front cover 1, the component rotating cabin 3 and the rear cover 2 are 60 mm, the diameters of the light transmission holes of the front and rear covers are 12 mm, the inner diameter of the component rotating cabin 3 is 30 mm, and the thickness is 8 mm.

[0121] An annular protrusion is arranged on the component rotating cabin 3 along the two sides of the light transmission hole, the outer diameter of the protrusion is 45 mm, the inner diameter is 30 mm, and the heights of the two sides of the protrusion are each 1 mm. In order to connect the front cover 1, the component rotating cabin 3 and the rear cover 2 into a whole, a corresponding annular groove is arranged on the front cover 1 and the rear cover 2 along the light transmission hole, the outer diameter of the groove is 45 mm, the inner diameter is 30 mm, and the depth of the groove is 1 mm.

[0122] The adjustment range of the component rotating cabin 3 is any angle, which is used for controlling the placement angle of the optical element 5.

[0123] The outer diameter of the annular metal sheet 9 on the front cover 1 and the rear cover 2 is 30 mm, and the inner diameter is 12 mm.

[0124] The outer diameter of the annular magnetic sheet 6 on the front cover 1 and the rear cover 2 is 45 mm, and the inner diameter is 30 mm.

[0125] The thickness of the optical element 5 can be 1-4 mm, the height can be 6-10 mm, and the length can be 20-24 mm, which is used for realizing the diffraction generation of the target pattern and is placed in the element drawer 4.

[0126] As shown in Figure 5 The top of the support rod 101 of the base is provided with a thread, and the two sides of the connecting element 102 are provided with two hollow holes, one of which is used for penetrating a screw, and the other is used for penetrating the support rod 101. The bottom of the front cover 1 and the rear cover 2 is provided with corresponding screw holes, and the rear cover 2 is connected with the support rod 101, and the front cover 1 is connected with the screw through the connecting element 102, so that the optical element adjuster can be fixed on the support group 10.

[0127] The specific implementation steps are as follows:

[0128] (1) The element drawer 4 is pulled out from the element rotating cabin 3;

[0129] (2) The optical element 5 to be adjusted is placed in the element drawer 4, and the element drawer 4 is placed back into the element rotating cabin 3;

[0130] (3) The front cover 1 is installed, and the annular groove on the front cover 1 is adjusted to fit the annular protrusion of the element rotating cabin 3; the rear cover 2 is installed, and the annular groove on the rear cover 2 is adjusted to fit the annular protrusion of the element rotating cabin 3; the front cover 1, the element rotating cabin 3 and the rear cover 2 are connected into a whole by the magnetic force of the annular magnetic sheet 6;

[0131] (4) The support group 10 is installed, and the whole composed of the front cover 1, the element rotating cabin 3 and the rear cover 2 is fixed on the base and the support rod 101;

[0132] (5) The adapter 11 and the power supply are installed according to the needs.

[0133] The element rotating cabin of the application designs an element drawer which can place a certain size of polarized optical element, and is compatible with optical elements such as liquid crystal boxes and square wave plates within a certain range of height, thickness and width. By rotating the element rotating cabin, the optical element can be stopped at any angle, the fast and slow axis direction adjustment of the target element or the polarization direction adjustment of the polarizer can be realized, and a conductive device is designed to meet the needs of wave plate power supply.

[0134] In addition, it should be noted that the specific embodiments described in the specification, the size of the parts, the name taken, etc. can be different, the above described in the specification is only an example of the structure of the present application. Any equivalent changes or simple changes made in accordance with the concept of the present application, construction, features and principles, are included in the scope of the present application. Those skilled in the art can make various modifications or supplements to the described specific examples or use similar methods, as long as they do not deviate from the structure of the present application or exceed the scope defined by the claims, which shall belong to the protection scope of the present application.

Claims

1. An optical element rotation adjuster characterized by comprising: It includes a front cover (1), a rear cover (2) and a component rotating chamber (3) rotatably disposed between the front cover (1) and the rear cover (2). A component drawer (4) is detachably installed on the component rotating chamber (3). An optical component (5) is disposed in the component drawer (4). Light transmission holes are provided on the front cover (1), the rear cover (2) and the component rotating chamber (3). The light transmission holes partially or completely overlap, and the optical component is located at the overlapping part of the light transmission holes. The component rotating chamber (3) is provided with annular grooves or annular protrusions at the front and rear, and the front cover (1) and the rear cover (2) are respectively provided with protrusions or grooves that match the annular grooves or annular protrusions. The front cover (1) and the rear cover (2) are provided with magnetic sheets (6) that attract each other; The component drawer (4) is inserted into and mounted on the component rotating compartment (3) through the mounting hole that passes through the outer wall and the inner light-transmitting hole of the component rotating compartment (3); The component drawer (4) is provided with an elastic metal sheet (7) for limiting the optical component (5); The elastic metal sheet (7) is connected to a conductive metal sheet (8), which protrudes from the surface of the component drawer (4). The front cover (1) and the rear cover (2) are provided with annular metal pieces (9), which are in contact with conductive metal pieces (8) to conduct electricity.

2. The optical element rotation adjuster according to claim 1, characterized in that, The front cover (1), rear cover (2) and component rotating chamber (3) are all cylindrical in structure and are equiaxially arranged, with each light-transmitting hole coaxial.

3. The optical element rotation adjuster according to claim 1, characterized in that, The front cover (1) and the rear cover (2) are connected to a bracket assembly (10). The bracket assembly (10) includes a support rod (101) and a connecting element (102) disposed on the support rod (101). The connecting element (102) and the support rod (101) are respectively connected to the front cover (1) and the rear cover (2).

4. The optical element rotation adjuster according to claim 1, characterized in that, The component rotating chamber (3) includes an inner ring, an outer ring, and spherical alloy steel balls disposed between the inner ring and the outer ring. The outer ring is provided with toothed patterns.

5. A method for adjusting the rotation of an optical element, characterized in that, Using the optical element rotation adjuster according to any one of claims 1 to 3, the process includes the following steps: a. Remove the component drawer (4) from the component rotating compartment (3); b. Place the optical element (5) that needs to be adjusted in the element drawer (4) and put the element drawer (4) back into the element rotating chamber (3); c. Connect the front cover (1), component rotating chamber (3) and rear cover (2) into a whole; d. The rotation adjustment of the optical element (5) is achieved by rotating the chamber (3) using the rotating element.

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