CN213210577U - Fluorescent lighting optical system of high zoom ratio stereo microscope - Google Patents
Fluorescent lighting optical system of high zoom ratio stereo microscope Download PDFInfo
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- CN213210577U CN213210577U CN202022347075.0U CN202022347075U CN213210577U CN 213210577 U CN213210577 U CN 213210577U CN 202022347075 U CN202022347075 U CN 202022347075U CN 213210577 U CN213210577 U CN 213210577U
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Abstract
The utility model discloses a high zoom ratio stereomicroscope's fluorescence illumination optical system, including LED optic fibre light source, the collecting mirror, the reflector, first condensing lens, second condensing lens and fluorescence filter group, LED optic fibre light source, the collecting mirror, first condensing lens and reflector are located same light path and arrange in proper order, the reflector, second condensing lens and fluorescence filter group also are located same light path and arrange in proper order, same light path that LED optic fibre light source, the collecting mirror, first condensing lens and reflector are located is called first light path, same light path that reflector, second condensing lens and fluorescence filter group are located is called second light path, the reflector is used for reflecting the light that shines on it via first light path to the second condensing lens via the second light path; the advantages are long service life, green illumination, low cost, high brightness of high-power fluorescence illumination and uniform brightness of low-power fluorescence illumination in the process of variable magnification.
Description
Technical Field
The utility model relates to an illumination optical system especially relates to a high zoom ratio stereomicroscope's fluorescence illumination optical system.
Background
The stereomicroscope is a core technology product of a fluorescence imaging technology in a living animal body, is not only a necessary tool for fluorescence anti-counterfeiting printing detection, but also an ideal instrument for mineral research, and is widely applied to the fields of biological industry detection, judicial investigation and the like at present.
The fluorescence lighting optical system of the existing stereomicroscope generally adopts a coaxial light illumination mode, and a light source is realized by adopting a high-pressure mercury lamp. However, the high-pressure mercury lamp has short service life and high cost, and the radiation of the high-pressure mercury lamp during illumination is strong, so that the high-pressure mercury lamp is a non-green illumination product, the brightness of the high-pressure mercury lamp is not adjustable, and when a high-zoom microscope is used for fluorescence observation under the illumination of the high-pressure mercury lamp, the defects of insufficient high-magnification fluorescence illumination brightness and uneven low-magnification fluorescence illumination brightness can occur in the zooming process.
Disclosure of Invention
The utility model aims to solve the technical problem that a life is longer is provided, realizes green illumination, and the cost is lower, and the high-magnification fluorescence illumination luminance is higher and the even high-magnification ratio stereoscopic microscope's of low-magnification fluorescence illumination luminance fluorescence illumination optical system in the zoom process.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a fluorescence lighting optical system of a high zoom ratio stereomicroscope comprises an LED optical fiber lighting source, a light collecting mirror, a reflector, a first condenser lens, a second condenser lens and a fluorescence filter set, the LED optical fiber illumination light source, the light collecting lens, the first condenser lens and the reflector are positioned on the same light path and are arranged in sequence, the reflecting mirror, the second condensing mirror and the fluorescence filter set are also positioned on the same light path and are sequentially arranged, the same light path where the LED optical fiber illumination light source, the condensing mirror, the first condensing mirror and the reflecting mirror are positioned is called a first light path, the same light path where the reflecting mirror, the second condensing mirror and the fluorescence filter set are positioned is called a second light path, the reflector is used for reflecting the light irradiated on the reflector through the first light path to the second condenser through the second light path.
The LED optical fiber lighting source comprises four LED optical fiber lighting modules, and the wavelengths of light waves emitted by the four LED optical fiber lighting modules are different. In the structure, the LED exciting light with four wavelengths can be provided, so that the LED exciting light can be conveniently used for observing samples of various fluorescent dyes.
The fluorescence filter set comprises a plurality of fluorescence filters with different specifications.
Compared with the prior art, the utility model has the advantages that the fluorescence illumination optical system of the high zoom ratio stereomicroscope is constructed by the LED optical fiber illumination light source, the light collecting mirror, the reflective mirror, the first collecting mirror, the second collecting mirror and the fluorescence filter group, the LED optical fiber illumination light source, the light collecting mirror, the first collecting mirror and the reflective mirror are positioned on the same light path and are arranged in sequence, the reflective mirror, the second collecting mirror and the fluorescence filter group are also positioned on the same light path and are arranged in sequence, the same light path where the LED optical fiber illumination light source, the light collecting mirror, the first collecting mirror and the reflective mirror are positioned is called as a first light path, the same light path where the reflective mirror, the second collecting mirror and the fluorescence filter group are positioned is called as a second light path, the reflective mirror is used for reflecting the light irradiated on the reflective mirror through the first light path to the second collecting mirror, the LED optical fiber illumination light source is adopted to replace the high, the LED optical fiber lighting source has the advantages that the service life is long, green lighting is realized, the cost is low, in addition, the LED optical fiber lighting source generates lighting light, the lighting light is connected into the high-magnification ratio stereoscopic microscope through the optical fiber, the defect that the low-magnification fluorescent lighting brightness is not uniform in the zooming process is overcome, the light source is convenient to replace and maintain, the light of the first light path is converged onto the reflecting mirror through the light collecting mirror, the aperture angle (numerical aperture) of a light source image is increased, the lighting requirement of the high-magnification large numerical aperture of the high-magnification ratio stereoscopic microscope is met, the high-magnification fluorescent lighting brightness is greatly improved, and therefore the high-magnification fluorescent lighting brightness is high and the low-magnification fluorescent lighting brightness is uniform in the zooming process.
Drawings
Fig. 1 is a schematic structural diagram of a fluorescence illumination optical system of a high zoom ratio stereoscopic microscope according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Example (b): a fluorescence illumination optical system of a high zoom ratio stereomicroscope comprises an LED optical fiber illumination light source 1, a light collecting mirror 2, a reflective mirror 3, a first collecting mirror 4, a second collecting mirror 5 and a fluorescence filter set 6, wherein the LED optical fiber illumination light source 1, the light collecting mirror 2, the first collecting mirror 4 and the reflective mirror 3 are located on the same light path and are sequentially arranged, the reflective mirror 3, the second collecting mirror 5 and the fluorescence filter set 6 are also located on the same light path and are sequentially arranged, the same light path where the LED optical fiber illumination light source 1, the light collecting mirror 2, the first collecting mirror 4 and the reflective mirror 3 are located is called a first light path 7, the same light path where the reflective mirror 3, the second collecting mirror 5 and the fluorescence filter set 6 are located is called a second light path 8, and the reflective mirror 3 is used for reflecting light irradiated on the reflective mirror through the first light path 7 to the second collecting mirror 5 through the second light path 8.
In this embodiment, the LED optical fiber illumination source 1 includes four LED optical fiber illumination modules, and the wavelengths of light waves emitted by the four LED optical fiber illumination modules are different.
In this embodiment, the fluorescence filter set 6 includes a plurality of fluorescence filters with different specifications.
Claims (3)
1. A fluorescence illumination optical system of a high zoom ratio stereomicroscope is characterized by comprising an LED optical fiber illumination light source, a light collecting mirror, a reflective mirror, a first collecting mirror, a second collecting mirror and a fluorescence filter set, wherein the LED optical fiber illumination light source, the light collecting mirror, the first collecting mirror and the reflective mirror are positioned on the same optical path and are sequentially arranged, the reflective mirror, the second collecting mirror and the fluorescence filter set are also positioned on the same optical path and are sequentially arranged, the same optical path where the LED optical fiber illumination light source, the light collecting mirror, the first collecting mirror and the reflective mirror are positioned is called a first optical path, the same optical path where the reflective mirror, the second collecting mirror and the fluorescence filter set are positioned is called a second optical path, and the reflective mirror is used for reflecting light rays irradiated on the reflective mirror through the first optical path to the second collecting mirror through the second optical path.
2. The fluorescence illumination optical system of a high zoom ratio stereomicroscope as claimed in claim 1, wherein said LED fiber illumination light source comprises four LED fiber illumination modules, and the wavelengths of the light waves emitted from said four LED fiber illumination modules are different.
3. The fluorescence illumination optical system of a high zoom ratio stereoscopic microscope as claimed in claim 1, wherein the fluorescence filter set comprises a plurality of fluorescence filters of different specifications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022347075.0U CN213210577U (en) | 2020-10-20 | 2020-10-20 | Fluorescent lighting optical system of high zoom ratio stereo microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022347075.0U CN213210577U (en) | 2020-10-20 | 2020-10-20 | Fluorescent lighting optical system of high zoom ratio stereo microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213210577U true CN213210577U (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022347075.0U Active CN213210577U (en) | 2020-10-20 | 2020-10-20 | Fluorescent lighting optical system of high zoom ratio stereo microscope |
Country Status (1)
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| CN (1) | CN213210577U (en) |
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2020
- 2020-10-20 CN CN202022347075.0U patent/CN213210577U/en active Active
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