Multifunctional inverted micro-area optical measuring device

Abstract

The utility model discloses a multifunctional inverted micro-area optical measuring device, which comprises a bottom plate and a spectrograph, a multifunctional optical testing module is arranged at the top of the bottom plate, a Kohler lighting module is arranged on the multifunctional optical testing module, and an electric objective lens turntable is arranged at the top of the Kohler lighting module. A sample table is arranged on one side of the top of the Kohler illumination module, the electric objective lens rotating disc is located below the sample table, an XYZ axis is arranged in the sample table, a transmission light path module is arranged on the top of the sample table, and a circuit control module is arranged at one end of the back face of the sample table. According to the utility model, the top-down modular design idea of an inverted system is adopted, different compatible test modules can be established based on Kohler illumination, a user only needs to purchase a set of inverted microscope frame and a corresponding optical measurement function module to realize various different measurement requirements, and the whole set of equipment is high in cost performance, strong in openness and convenient to use. A user can expand and develop functions by himself / herself, the electric degree is high, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical measurement technical field, concretely is a kind of multifunctional inverted micro area optical measurement device. BACKGROUND

[0002] Inverted micro area optical measurement device is used to observe the optical measurement system in the range of several hundred nanometers to several hundred microns in lateral size, usually by excitation light source, inverted microimaging module, special optical measurement function module and signal measurement equipment part composition;Inverted microimaging module is mainly used to display the optical appearance of measured object in real time, and has wide application in the field of life science, biomedical science, chemistry etc.;Measurement function module includes photoluminescence, Raman spectrum, fluorescence lifetime, second harmonic, transient absorption, angle resolution etc.;

[0003] In recent years, with the development of miniaturized device, higher requirements are put forward to the function and performance of micro area optical testing system;At present, inverted micro area optical measurement device equipment is mainly based on the modification of commercial inverted microscope of Olympus and Zeiss, and the test function is relatively single, and the openness has greater limitation;If new test function is needed, new functional equipment can only be purchased again, and the cost is higher;Therefore, in order to adapt to the measurement field of inverted micro area system test, a new type of multifunctional inverted micro area optical measurement device needs to be designed to meet the demand of multifunctional test of current various researches and applications. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of multifunctional inverted micro area optical measurement device to solve the problems that the test function of existing inverted micro area optical measurement device equipment is relatively single in the above background art, and the openness has greater limitation;If new test function is needed, new functional equipment can only be purchased again, and the cost is higher.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of multifunctional inverted micro area optical measurement device, including bottom plate and spectrometer, the top of the bottom plate is equipped with multifunctional optical test module, the multifunctional optical test module is equipped with kohler illumination module, the top of the kohler illumination module is provided with electric animal microscope turntable, one side of the top of the kohler illumination module is provided with sample stage, the electric animal microscope turntable is below sample stage, the inside of the sample stage is provided with XYZ axis, the top of the sample stage is provided with transmission light path module, and the back of the sample stage is provided with circuit control module;One end of the multifunctional optical test module is provided with signal coupling module.

[0006] Preferably, the bottom of the bottom plate is provided with rubber pad, to increase friction, to improve the stability of device support.

[0007] Preferably, the bottom of the transmitted light path module is mounted on the Kohler illumination module by stereoscopic mounting.

[0008] Preferably, anti-skid feet are mounted at the four corners of the bottom of the spectrometer.

[0009] Preferably, the Kohler illumination module comprises an illumination light source, a first achromatic lens, a first reflecting mirror, a second achromatic lens, a first beam splitter, a second beam splitter, a third achromatic lens, and a camera, and the Kohler illumination module is used to realize real-time observation of a micro-area sample.

[0010] Preferably, the multifunctional optical testing module comprises a laser light source, a polarized light element, an analyzer, a second reflecting mirror, an electrically-driven switching reflecting mirror, a first collected light coupling module, a third reflecting mirror, and a second collected light coupling module, and the multifunctional optical testing module can integrate a photoluminescence, Raman, second harmonic, fluorescence lifetime, and angle resolution functional module.

[0011] Compared with the prior art, the multifunctional inverted micro-area optical measuring device has the beneficial effects that: the multifunctional inverted micro-area optical measuring device adopts an inverted system modular design from top to bottom, can be built based on Kohler illumination to be compatible with different testing modules, and a user only needs to purchase an inverted microscope frame and corresponding optical measuring functional modules to realize various different measuring requirements, the whole set of equipment has high cost performance, high openness, is beneficial to user self-development, has high electrically-driven degree, and is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a schematic diagram of a three-dimensional structure of the utility model;

[0013] Fig. 2 It is an internal light path principle diagram of the Kohler illumination and confocal module of the utility model.

[0014] In the figure: 1, bottom plate; 2, multifunctional optical testing module; 3, Kohler illumination module; 4, electrically-driven microscope turntable; 5, sample stage; 6, XYZ axis; 7, transmitted light path module; 8, circuit control module; 9, signal coupling module; 10, spectrometer; 11, illumination light source; 12, first achromatic lens; 13, first reflecting mirror; 14, second achromatic lens; 15, first beam splitter; 16, second beam splitter; 17, third achromatic lens; 18, camera; 19, laser light source; 20, polarized light element; 21, analyzer; 22, second reflecting mirror; 23, electrically-driven switching reflecting mirror; 24, first collected light coupling module; 25, third reflecting mirror; 26, second collected light coupling module. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0016] Please refer to Figs. 1-2 The utility model provides an embodiment: a kind of multifunctional inverted micro area optical measuring device, the top of bottom plate 1 is equipped with multifunctional optical test module 2, the bottom of bottom plate 1 is provided with rubber pad, increase friction, to improve the stability of device support;

[0017] Multifunctional optical test module 2 includes laser light source 19, polarized element 20, polarized element 21, second mirror 22, electric switch mirror 23, first collection light coupling module 24, third mirror 25 and second collection light coupling module 26;Multifunctional optical test module 2 can integrate photoluminescence, Raman, second harmonic, fluorescence lifetime, angle resolution and other functional modules;

[0018] Multifunctional optical test module 2 is equipped with cole illumination module 3, and cole illumination module 3 includes illumination light source 11, first achromatic lens 12, first mirror 13, second achromatic lens 14, first beam splitter 15, second beam splitter 16, third achromatic lens 17, camera 18, and cole illumination module 3 is used to realize the real-time observation of micro area sample;

[0019] The top of cole illumination module 3 is provided with electric animal lens turntable 4, the electric animal lens turntable 4 is used for electric switching of different objective lens multiples, one side of the top of cole illumination module 3 is provided with sample stage 5, the electric animal lens turntable 4 is located below the sample stage 5, the inside of sample stage 5 is provided with XYZ axis 6, the top of sample stage 5 is provided with transmission light path module 7, the bottom of transmission light path module 7 is installed on cole illumination module 3 through three-dimensional installation, so as to facilitate the stable installation of transmission light path module 7, one end of the back of sample stage 5 is provided with circuit control module 8;Sample stage 5, XYZ axis 6, transmission light path module 7 and circuit control module 8 realize electric switching of XYZ axis on sample stage and electric switching of light path;

[0020] One end of multifunctional optical test module 2 is provided with signal coupling module 9, anti-skid legs are installed at the four corners of the bottom of spectrometer 10, to stably support spectrometer 10, signal coupling module 9 and spectrometer 10 are used for adapting external test equipment of different functional requirements.

[0021] The spectrometer 10 and the electric animal lens turntable 4 in the device are prior art, and their component structures and connection modes are completely same as those of the prior device.

[0022] Working principle: when lighting, the external lighting light source 11 is coupled into parallel light through the first achromatic lens 12, and then focused on the back focal plane of the objective lens through the first mirror 13 and the second achromatic lens 14, and then converted into parallel light through the objective lens for wide-field illumination. The light path passes through the first beam splitter 15 and the second beam splitter 16, and the light reflected by the sample is focused on the camera 18 through the third achromatic lens 17 to observe the sample morphology.

[0023] The laser light source 19 passes through the polarizing element 20 and the second beam splitter 16, and is focused on the sample after the objective lens. The signal light of the sample passes through the polarizing element 21 and the second mirror 22, and finally enters the first collection light coupling module 24 or the second collection light coupling module 26 through the electrically switchable mirror 23 or the third mirror 25, and is finally coupled into the measuring device.

[0024] The multifunctional optical testing module 2 can integrate photoluminescence, Raman, second harmonic, fluorescence lifetime, angle resolution and other functional modules. The Kohler illumination module 3 realizes real-time observation of the sample under the micro area. The electric animal lens turntable 4 is used for electrically switching different objective lens magnifications. The sample stage 5, the XYZ axis 6, the transmission light path module 7 and the circuit control module 8 realize electrically switching the XYZ axis of the sample stage and the electrically switching the light path. The signal coupling module 9, the spectrometer 10 or other testing devices are suitable for different functional requirements of external testing devices.

[0025] The illumination light path of the Kohler illumination is used for wide-field illumination of the sample to be measured, and the sample is imaged in real time by the camera. After the position of the sample to be measured is determined, the sample is excited by the excitation light source in the confocal module, and the signal of the sample to be measured is collected and focused into the measuring device by the objective lens and the collection light path.

[0026] In the multifunctional inverted micro area optical measurement device, the basic configuration function of the Kohler illumination module is the whole device. In order to meet the diversity demand of the user for the micro area measurement function, other functional modules can select one or more of the following measurement functions: reflection spectrum, transmission spectrum, photoluminescence spectrum, Raman spectrum, fluorescence lifetime spectrum, angle resolution spectrum, transient absorption spectrum, second harmonic, magneto-optical Kerr effect and the like.

[0027] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that the present application can be implemented in other embodiments without departing from the spirit or essential characteristics of the present application. The embodiments should therefore be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims.

[0028] In the description of the present application, unless otherwise specified and limited, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For a person skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A multifunctional inverted micro-optical measurement device comprising a base plate (1) and a spectrometer (10), characterized in that: The top of the bottom plate (1) is provided with a multifunctional optical test module (2), the multifunctional optical test module (2) is provided with a Kohler illumination module (3), the top of the Kohler illumination module (3) is provided with an electric animal microscope turntable (4), one side of the top of the Kohler illumination module (3) is provided with a sample table (5), the electric animal microscope turntable (4) is located below the sample table (5), the inside of the sample table (5) is provided with an XYZ axis (6), the top of the sample table (5) is provided with a transmission light path module (7), one end of the back of the sample table (5) is provided with a circuit control module (8); One end of the multifunctional optical test module (2) is provided with a signal coupling module (9).

2. The multifunctional inverted micro- optical measurement device according to claim 1, wherein: The bottom of the bottom plate (1) is provided with a rubber pad.

3. The multifunctional inverted micro- optical measurement device according to claim 1, wherein: The transmission light path module (7) is installed on the Kohler illumination module (3) through a three-dimensional installation.

4. The multifunctional inverted micro- optical measurement device according to claim 1, wherein: The bottom of the spectrometer (10) is provided with anti-skid feet at the four corners.

5. The multi-functional inverted micro- optical measurement device according to claim 1, wherein: The Kohler illumination module (3) comprises an illumination light source (11), a first achromatic lens (12), a first reflecting mirror (13), a second achromatic lens (14), a first beam splitter (15), a second beam splitter (16), a third achromatic lens (17), and a camera (18).

6. The multifunctional inverted micro- optical measurement device according to claim 1, wherein: The multifunctional optical test module (2) comprises a laser light source (19), a polarizing element (20), a polarizing element (21), a second reflecting mirror (22), an electrically operated switching mirror (23), a first collection light coupling module (24), a third reflecting mirror (25), and a second collection light coupling module (26).

Images