CN105467573A - Dual-channel and multi-band microscopic imaging optical lens - Google Patents
Dual-channel and multi-band microscopic imaging optical lens Download PDFInfo
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- CN105467573A CN105467573A CN201511000423.4A CN201511000423A CN105467573A CN 105467573 A CN105467573 A CN 105467573A CN 201511000423 A CN201511000423 A CN 201511000423A CN 105467573 A CN105467573 A CN 105467573A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/02—Objectives
- G02B21/04—Objectives involving mirrors
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0804—Catadioptric systems using two curved mirrors
Abstract
The invention relates to a dual-channel and multi-band microscopic imaging optical lens which comprises a front end two-lens assembly, a switching mechanism and a rear end lens assembly, wherein the front end two-lens assembly and the rear end lens assembly are disposed perpendicularly; the switching mechanism is disposed between the front end two-lens assembly and the rear end lens assembly; the front end two-lens assembly separately forms a first optical channel or is combined with the switching mechanism to form the first optical channel; the front end two-lens assembly, the switching mechanism and the rear end lens assembly form a second optical channel; and moving of the switching mechanism leads to switching of independent work of the first optical channel or the second optical channel or simultaneous work of the two optical channels. In comparison with the prior art, the two optical channels formed in the invention joints share the same front end two-lens system, so that the switching mechanism switches the optical channels with different magnification rates, and the independent or simultaneous work of the two channels can also be carried out. The dual-channel and multi-band microscopic imaging optical lens provided by the invention has the advantages of a compact structure, simple installation and adjustment, a wide utilization scope and realization of batched production, etc.
Description
Technical field
The invention belongs to optical, mechanical and electronic integration apparatus field, especially relate to a kind of binary channels multiband micro-imaging optical lens.
Background technology
High pressure equation of state is the basis of research material macroscopic property under high-temperature and high-pressure conditions, for high-energy-density physical study important in inhibitings such as laser-driven inertial confinement fusion.The general means that laboratory realizes material at high temperature high pressure conditions loads shock wave to material, realizes the diagnosis to material impact ripple temperature by the radiation spectrum measuring material.Therefore radiation imaging apparatus has vital meaning for the distribution of diagnostic materials impact temperature.
The state parameter describing thermodynamic system generally has four classes: geometry parameter (as volume), mechanical parameter (as pressure), chemical parameters (as concentration) and electromagnetic parameter (as electric field intensity and magnetic field intensity).Temperature is one of the most basic thermodynamic parameter describing thermodynamic system, but do not belong to above-mentioned arbitrary group of parameter, temperature is not an independently parameter, but the function of above four class parameters, each state parameter keeps certain contacting with temperature, and the equation of state is used for describing this contact.When state output a certain in system or temperature change, system will be transformed into another thermodynamic equilibrium state by a thermodynamic equilibrium state.General description system bulk V, between pressure P and temperature T three, the equation of state of relation can be expressed as:
f(P,T,V)＝0
Loading shock wave to material is a kind of effective means allowing material be in high-energy high-density state in laboratory.For the comparatively maturation that the measuring method of impacting the kinetic parameters such as wave propagation velocity, pressure has developed in shock wave loading experiment in the past, but for the measurement of impact temperature, complicacy due to temperature itself and the high requirement to surveying instrument, be in progress slower.The temperature diagnostic of plasma has initiatively and passive two classes, and active diagnosing measures its response after outside plasma injects electromagnetic wave or the particle beams; Passive diagnosis is then its temperature of electromagnetic wave measurement by plasma resonance, is also referred to as using emission spectrum for diagnosing method.The latter is widely used in the diagnostic test of material impact temperature as a kind of temperature diagnostic method of non-interference.Imaging spectral technology is a kind of diagnostic techniques combined with spectral technique by imaging technique, space distribution diagnosis for shock temperature is significant, light spectrum image-forming optical system comprises preposition optical system and spectrometer, the present invention be with light spectrum image-forming optical system shock temperature space two-dimensional differentiate diagnosis be applied as background designs.
Microscope is the important optical instrument of observed objects interior detail microstructure, is widely used in the every field such as bioengineering, medical diagnosis, microfabrication and industrial detection, for human detection microworld plays indispensable effect.Can realize the function of detecting material impact temperature distribution according to the design of the measurement demand micro-imaging light path of radiation temperature measurement, and microcobjective is ingredient important in microscopic system, plays decisive role to the imaging capability of microscopic system.
In multiband micro-imaging uses, a series of microscope is proposed, as open in patented claim CN104655283A a kind of by infrared light, visible ray two waveband light path design, infrared light, visible images are carried out fusion treatment, realize micro-temp sensing function, light path system design only has a receiving port altogether.Patent CN101251643B discloses a kind of reflective micro-telescope of long-focus with angular resolution, and have binary channels and be only used in eyepiece observation and do not realize different enlargement ratio and switch and receive, simultaneously service aisle only has the front end light path system of low range.Patented claim CN1621885 discloses a kind of optical microscope with multiple light paths, it is characterized in that microscope contains multiple imaging optical path unit, and rear end receives not to be possessed different enlargement ratio and switch and simultaneously work functions.
The optical texture of conventional microscope camera lens adopts in refraction or the imaging of reflection configuration mode only for single light path passage, refraction type structure imaging spectral coverage is narrower, and the multispectral collection demand of detector multiple in laboratory is difficult to meet, and realizes two kinds of enlargement ratio microlens that are changeable or that simultaneously work and not yet have report.
Summary of the invention
Object of the present invention is exactly providing a kind of compact conformation to overcome defect that above-mentioned prior art exists, debuging binary channels multiband micro-imaging optical lens that is simple, modular design.
Object of the present invention can be achieved through the following technical solutions:
A kind of binary channels multiband micro-imaging optical lens, comprise front end two mirror assembly, switching mechanism and back lens assembly, described front end two mirror assembly is vertical with back lens assembly to be arranged, described switching mechanism is arranged between front end two mirror assembly and back lens assembly, described front end two mirror assembly forms separately the first optical channel or is combined to form the first optical channel with switching mechanism, described front end two mirror assembly, switching mechanism and back lens assembly form the second optical channel, the first optical channel or the second optical channel works independently or two-way optical channel works simultaneously switching is realized by the movement of described switching mechanism.
Described front end two mirror assembly comprises the first window, secondary mirror, principal reflection mirror, compensating glass and the Second Window that set gradually, wherein, first window and Second Window are sheet glass, and principal reflection mirror is concave mirror, secondary mirror is convex reflecting mirror, and compensating glass is meniscus lens.
Described first window optical thickness is 5mm ~ 7mm, and optical material is JGS1; Described principal reflection mirror range of curvature radius is-650mm ~-660mm; Described secondary mirror range of curvature radius is-430mm ~-410mm; Described compensating glass front and rear surfaces range of curvature radius is respectively-1650mm ~-1550mm and-1450mm ~-1400mm, and optical thickness is 7mm ~ 9mm, and optical material is CAF2; Described window two window optical thickness is 10mm ~ 15mm, and optical material is JGS1.
Distance between described first window and object plane is 690mm ~ 710mm, distance between first window and principal reflection mirror is 320mm ~ 340mm, distance between described principal reflection mirror and secondary mirror is-280mm ~-320mm, distance between described secondary mirror and compensating glass is 320mm ~ 350mm, distance between described compensating glass and window two window is 360mm ~ 380mm, and the distance between described window two window and switching mechanism is 230mm ~ 250mm.
Described switching mechanism comprises turn back mirror or spectroscope.
Described mirror of turning back is catoptron.
Described spectroscope is prism spectroscope, is that JGS1 fused quartz is made, is of a size of 18mm ~ 22mm by optical material.
Described back lens assembly is made up of the rear group of lens a set gradually, rear group of lens b, rear group of lens c, rear group of lens d, rear group of lens e, wherein, rear group of lens a, rear group of lens c and rear group of lens e are convex lens, and rear group of lens b and rear group of lens d is concavees lens.
Described rear group of lens a front and rear surfaces range of curvature radius is respectively-13mm ~-10mm and 10mm ~ 13mm, and optical thickness is 5mm ~ 7mm, and optical material is BK7 glass; Described rear group of lens b front and rear surfaces range of curvature radius is respectively 6mm ~ 7mm and 25mm ~ 30mm, and optical thickness is 4mm ~ 5mm, and optical material is F2 glass; Described rear group of lens c front and rear surfaces range of curvature radius is respectively-20mm ~-15mm and 90mm ~ 100mm, and optical thickness is 5mm ~ 7mm, and optical material is BK7 glass; Described rear group of lens d front and rear surfaces range of curvature radius is respectively infinitely great and-80mm ~-90mm, and optical thickness is 5mm ~ 6mm, and optical material is F2 glass; Described rear group of lens e front and rear surfaces range of curvature radius is respectively 120mm ~ 130mm and 28mm ~ 32mm, and optical thickness is 6mm ~ 7mm, and optical material is BK7 glass.Wherein: in regulation figure, all optical element left-hand face are front surface, right lateral surface is rear surface.
Distance between described switching mechanism and rear group of lens a is-210mm ~-230mm, distance between described rear group of lens a and rear group of lens b is-3mm ~-1mm, distance between described rear group of lens b and rear group of lens c is-2mm ~-1mm, distance between described rear group of lens c and rear group of lens d is-80mm ~-90mm, distance between described rear group of lens d and rear group of lens e is-8mm ~-10mm, and the distance between described rear group of lens 5 and image planes is-125mm ~-135mm.
Compared with prior art, the present invention has following beneficial effect:
(1) the two-way optical channel that the present invention is formed shares same front end two-mirror system, uses switching mechanism to realize the switching of different multiplying path channels, also can realize independence or the co-operation of two passages.
(2) front end of the present invention two-mirror system adopts calcium fluoride to correct broadband aberration, possesses conjugation and improves picture point, independently can use, realize modular design as a module, can be used for the micro-use of low power digital display of autocollimation detection and independent optical paths passage.
(3) after image planes can be drawn by switching mechanism by the present invention, then high power number microscopic observation is used for through the secondary imaging of Zoom lens group achromat-design.
(4) the present invention switches different passage imaging by switching mechanism, the two-way optical channel rear end optical axis formed is vertical, after by the good target to be measured of low multiple passage observation debugging and imaging image planes conjugation, carry out fine setting observation by high multiple channel light again, significantly improve debugging and the convenient and efficiency observed.
(5) design from engineer applied, consider repetitive positioning accuracy, low range microscopic system light path is fixed, and carries out changeable patten's design to high magnification imaging optical path.
(6) project organization of the present invention compact, debug simple, usable range wide, can mass production.
Accompanying drawing explanation
Fig. 1 is the index path of the present invention first optical channel when working independently;
Fig. 2 is the index path of the present invention second optical channel when working independently;
Fig. 3 is the index path of two-way optical channel of the present invention when simultaneously working;
Fig. 4 is the enlarged drawing at I place in Fig. 2 and Fig. 3;
Fig. 5 is the enlarged drawing at II place in Fig. 3;
Biography letter MTF when Fig. 6 is the work of the present invention first optical channel schemes;
Point range figure when Fig. 7 is the work of the present invention first optical channel;
Wave aberration figure when Fig. 8 is the work of the present invention first optical channel;
Biography letter MTF when Fig. 9 is the work of the present invention second optical channel schemes;
Point range figure when Figure 10 is the work of the present invention second optical channel;
Wave aberration figure when Figure 11 is the work of the present invention second optical channel;
In figure: 1 is first window, 2 is secondary mirrors, and 3 is principal reflection mirrors, and 4 is compensating glass, and 5 is Second Windows, and 6 are turn back mirror, a ~ e is rear group of lens, and 7 is spectroscopes.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.The present embodiment is implemented premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 4 shows, the present embodiment provides a kind of binary channels multiband micro-imaging optical lens, comprise front end two mirror assembly, switching mechanism and back lens assembly, front end two mirror assembly is vertical with back lens assembly to be arranged, switching mechanism is arranged between front end two mirror assembly and back lens assembly, front end two mirror assembly forms separately the first optical channel or is combined to form the first optical channel with switching mechanism, and front end two mirror assembly, switching mechanism and back lens assembly form the second optical channel.First optical channel operation wavelength is respectively 0.38 μm ~ 0.8 μm, and object space linear field is 1.5mm, enlargement ratio 3 times, conjugate distance is 1900mm, numerical aperture 0.1, adopts the catadioptric system that two mirrors and compensating glass form, and image planes position is positioned at compensating glass back-end location and connects diffraction grating spectrometer; Second optical channel operation wavelength is respectively 0.40 μm ~ 0.527 μm, object space linear field is 1.5mm, enlargement ratio 20 times, numerical aperture 0.1, adopt secondary to amplify the catadioptric system of light path composition, image planes position is positioned at rear group of lens combination back-end location and connects ccd detector.In the present embodiment, switching mechanism is mirror 6 of turning back, and mirror 6 of turning back adopts catoptron, and mirror 6 of turning back switches the switching realized between the first optical channel and the second optical channel.
Front end two mirror assembly comprises the first window 1, secondary mirror 2, principal reflection mirror 3, compensating glass 4 and the Second Window 5 that set gradually, back lens assembly is made up of the rear group of lens a set gradually, rear group of lens b, rear group of lens c, rear group of lens d, rear group of lens e, wherein, rear group of lens a, rear group of lens c and rear group of lens e are convex lens, and rear group of lens b and rear group of lens d is concavees lens.
First window 1 is sheet glass, and optical thickness is 6mm, and optical material is JGS1; Principal reflection mirror 3 is concave mirror, and range of curvature radius is-652.88mm; Secondary mirror 2 is convex reflecting mirror, and range of curvature radius is-419.8mm; Compensating glass 4 is meniscus lens, and front and rear surfaces range of curvature radius is followed successively by-1600mm and-1415mm, and optical thickness is 8mm, and optical material is CAF2; Second Window 5 is sheet glass, and optical thickness is 12mm, and optical material is JGS1; Rear group of lens a front and rear surfaces range of curvature radius is followed successively by-11.292mm and 11.292mm, and optical thickness is 6mm, and optical material is BK7 glass; Rear group of lens b front and rear surfaces range of curvature radius is followed successively by 6.64mm and 28.83mm, and optical thickness is 4mm, and optical material is F2 glass; Rear group of lens c front and rear surfaces range of curvature radius is followed successively by-17.78mm and 96.33mm, and optical thickness is 6mm, and optical material is BK7 glass; Rear group of lens d front and rear surfaces range of curvature radius is followed successively by infinitely great and-83.68mm, and optical thickness is 5.4mm, and optical material is F2 glass; Rear group of lens e front and rear surfaces range of curvature radius is followed successively by 128.36mm and 29.95mm, and optical thickness is 6.02mm, and optical material is BK7 glass; Wherein: in regulation figure, all optical element left-hand face are front surface, right lateral surface is rear surface.
Distance between object plane and first window 1 is 700mm, distance between first window 1 and principal reflection mirror 3 is 328mm, distance between principal reflection mirror 3 and secondary mirror 2 is-299mm, distance between secondary mirror 2 and compensating glass 4 is 332mm, distance between compensating glass 4 and Second Window 5 is 370mm, Second Window 5 and the distance of turning back between mirror 6 are 247mm, the distance of turning back between mirror 6 and rear group of lens a is-220mm, distance between rear group of lens a and rear group of lens b is-2mm, distance between rear group of lens b and rear group of lens c is-1.2mm, distance between rear group of lens c and rear group of lens d is-86mm, distance between rear group of lens d and rear group of lens e is-8.2mm, distance between rear group of lens e and image planes is-130.1mm.
During the first optical channel work of the above-mentioned optical lens of Fig. 6 ~ Figure 8 shows that, the biography letter MTF figure of the most preferred embodiment utilizing Zemax optical design software to make, point range figure and wave aberration figure.
During the second optical channel work of the above-mentioned optical lens of Fig. 9 ~ Figure 11 shows that, the biography letter MTF figure of the most preferred embodiment utilizing Zemax optical design software to make, point range figure and wave aberration figure.
From Fig. 6 ~ Figure 11, the first optical channel and the second ways for education passage imaging pass letter MTF close to diffraction limit, and the microcobjective limit respectively rate can reach within 10 μm.
Embodiment 2
The present embodiment provides a kind of binary channels multiband micro-imaging optical lens, wherein, switching mechanism is spectroscope 7, spectroscope 7 is prism spectroscope, be that JGS1 fused quartz is made by optical material, be of a size of 18mm ~ 22mm, with the change of spectroscope range of size, an image planes rear cut-off distance variation range when binary channels light path works simultaneously is 5.8mm ~ 7.1mm.Spectroscope 7 can provide the image planes of two groups of different enlargement ratios for rear end-receiver collection analysis simultaneously, as shown in Figure 3-Figure 5.All the other are with embodiment 1.
Embodiment 3
The present embodiment provides a kind of binary channels multiband micro-imaging optical lens, and wherein, the optical thickness of first window 1 is 5mm; The range of curvature radius of principal reflection mirror is-650mm; The range of curvature radius of secondary mirror 2 is-430mm; The front and rear surfaces range of curvature radius of compensating glass 4 is followed successively by-1650mm and-1450mm, and optical thickness is 7mm; The optical thickness of Second Window 5 is 10mm; Rear group of lens a front and rear surfaces range of curvature radius is followed successively by-13mm and 10mm, and optical thickness is 5mm; Rear group of lens b front and rear surfaces range of curvature radius is followed successively by 6mm and 25mm, and optical thickness is 4.5mm; Rear group of lens c front and rear surfaces range of curvature radius is followed successively by-20mm and 90mm, and optical thickness is 5mm; Rear group of lens d front and rear surfaces range of curvature radius is followed successively by infinitely great and-80mm, and optical thickness is 5mm; Rear group of lens e front and rear surfaces range of curvature radius is followed successively by 120mm and 28mm, and optical thickness is 6mm.
Distance between object plane and first window 1 is 690mm, distance between first window 1 and principal reflection mirror 3 is 320mm, distance between principal reflection mirror 3 and secondary mirror 2 is-280mm, distance between secondary mirror 2 and compensating glass 4 is 320mm, distance between compensating glass 4 and Second Window 5 is 360mm, Second Window 5 and the distance of turning back between mirror 6 are 230mm, distance between switching mechanism and rear group of lens a is-210mm, distance between rear group of lens a and rear group of lens b is-3mm, distance between rear group of lens b and rear group of lens c is-2mm, distance between rear group of lens c and rear group of lens d is-80mm, distance between rear group of lens d and rear group of lens e is-8mm, distance between rear group of lens e and image planes is-125mm.
All the other are with embodiment 1 or 2.
Embodiment 4
The present embodiment provides a kind of binary channels multiband micro-imaging optical lens, and wherein, the optical thickness of first window 1 is 7mm; The range of curvature radius of principal reflection mirror is-660mm; The range of curvature radius of secondary mirror 2 is-410mm; The front and rear surfaces range of curvature radius of compensating glass 4 is followed successively by-1550mm and-1400mm, and optical thickness is 9mm; The optical thickness of Second Window 5 is 15mm; Rear group of lens a front and rear surfaces range of curvature radius is followed successively by-10mm and 13mm, and optical thickness is 7mm; Rear group of lens b front and rear surfaces range of curvature radius is followed successively by 7mm and 30mm, and optical thickness is 5mm; Rear group of lens c front and rear surfaces range of curvature radius is followed successively by-15mm and 100mm, and optical thickness is 7mm; Rear group of lens d front and rear surfaces range of curvature radius is followed successively by infinitely great and-90mm, and optical thickness is 6mm; Rear group of lens e front and rear surfaces range of curvature radius is followed successively by 130mm and 32mm, and optical thickness is 7mm.
Distance between object plane and first window 1 is 710mm, distance between first window 1 and principal reflection mirror 3 is 340mm, distance between principal reflection mirror 3 and secondary mirror 2 is-320mm, distance between secondary mirror 2 and compensating glass 4 is 350mm, distance between compensating glass 4 and Second Window 5 is 380mm, Second Window 5 and the distance of turning back between mirror 6 are 250mm, distance between switching mechanism and rear group of lens a is-230mm, distance between rear group of lens a and rear group of lens b is-1mm, distance between rear group of lens b and rear group of lens c is-1mm, distance between rear group of lens c and rear group of lens d is-90mm, distance between rear group of lens d and rear group of lens e is-10mm, distance between rear group of lens e and image planes is-135mm.
All the other are with embodiment 1 or 2.
By above-described embodiment, the attainable technical feature of binary channels multiband micro-imaging optical lens of the present invention is for comprising
First optical channel is wide spectral micro imaging system;
Second optical channel is visible ray micro imaging system;
The service band of the first optical channel: between 0.26 μm ~ 2.10 μm, covers near ultraviolet to near-infrared band;
The service band of the second optical channel: between 0.40 μm ~ 0.527 μm;
The linear field of the first optical channel and the second optical channel is 1.5mm;
The image planes size 4.5mm of the first optical channel, enlargement ratio is 3 times;
The image planes size 30mm of the second optical channel, enlargement ratio is 20 times;
First optical channel is nearly diffraction limited system, 0.38 μm of operation wavelength imaging wave aberration RMS≤0.007waves; 0.80 μm of operation wavelength imaging wave aberration RMS≤0.01waves; 1.053 μm of operation wavelength imaging wave aberration RMS≤0.007waves; 2.10 μm of operation wavelength imaging wave aberration RMS≤0.004waves;
Second optical channel is nearly diffraction limited system, 0.527 μm of operation wavelength imaging wave aberration RMS≤0.008waves; 0.40 μm of operation wavelength imaging wave aberration RMS≤0.01waves.
Above-mentioned is for technological thought of the present invention and feature are described to the description of embodiment, and object is that those skilled in the art can understand and apply the invention.Person skilled in the art obviously easily can make various change and modification to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art are according to announcement of the present invention, and the improvement made for the present invention and amendment are all encompassed within protection scope of the present invention.
Claims (10)
1. a binary channels multiband micro-imaging optical lens, it is characterized in that, comprise front end two mirror assembly, switching mechanism and back lens assembly, described front end two mirror assembly is vertical with back lens assembly to be arranged, described switching mechanism is arranged between front end two mirror assembly and back lens assembly, described front end two mirror assembly forms separately the first optical channel or is combined to form the first optical channel with switching mechanism, described front end two mirror assembly, switching mechanism and back lens assembly form the second optical channel, the first optical channel or the second optical channel works independently or two-way optical channel works simultaneously switching is realized by the movement of described switching mechanism.
2. binary channels multiband micro-imaging optical lens according to claim 1, it is characterized in that, described front end two mirror assembly comprises the first window, secondary mirror, principal reflection mirror, compensating glass and the Second Window that set gradually, wherein, first window and Second Window are sheet glass, principal reflection mirror is concave mirror, and secondary mirror is convex reflecting mirror, and compensating glass is meniscus lens.
3. binary channels multiband micro-imaging optical lens according to claim 2, it is characterized in that, described first window optical thickness is 5mm ~ 7mm, and optical material is JGS1; Described principal reflection mirror range of curvature radius is-650mm ~-660mm; Described secondary mirror range of curvature radius is-430mm ~-410mm; Described compensating glass front and rear surfaces range of curvature radius is respectively-1650mm ~-1550mm and-1450mm ~-1400mm, and optical thickness is 7mm ~ 9mm, and optical material is CAF2; Described window two window optical thickness is 10mm ~ 15mm, and optical material is JGS1.
4. binary channels multiband micro-imaging optical lens according to claim 2, it is characterized in that, distance between described first window and object plane is 690mm ~ 710mm, distance between first window and principal reflection mirror is 320mm ~ 340mm, distance between described principal reflection mirror and secondary mirror is-280mm ~-320mm, distance between described secondary mirror and compensating glass is 320mm ~ 350mm, distance between described compensating glass and window two window is 360mm ~ 380mm, and the distance between described window two window and switching mechanism is 230mm ~ 250mm.
5. binary channels multiband micro-imaging optical lens according to claim 1, it is characterized in that, described switching mechanism comprises turn back mirror or spectroscope.
6. binary channels multiband micro-imaging optical lens according to claim 5, is characterized in that, described in mirror of turning back be catoptron.
7. binary channels multiband micro-imaging optical lens according to claim 5, it is characterized in that, described spectroscope is prism spectroscope, is that JGS1 fused quartz is made, is of a size of 18mm ~ 22mm by optical material.
8. binary channels multiband micro-imaging optical lens according to claim 1, it is characterized in that, described back lens assembly is made up of the rear group of lens a set gradually, rear group of lens b, rear group of lens c, rear group of lens d, rear group of lens e, wherein, rear group of lens a, rear group of lens c and rear group of lens e are convex lens, and rear group of lens b and rear group of lens d is concavees lens.
9. binary channels multiband micro-imaging optical lens according to claim 8, it is characterized in that, described rear group of lens a front and rear surfaces range of curvature radius is respectively-13mm ~-10mm and 10mm ~ 13mm, and optical thickness is 5mm ~ 7mm, and optical material is BK7 glass; Described rear group of lens b front and rear surfaces range of curvature radius is respectively 6mm ~ 7mm and 25mm ~ 30mm, and optical thickness is 4mm ~ 5mm, and optical material is F2 glass; Described rear group of lens c front and rear surfaces range of curvature radius is respectively-20mm ~-15mm and 90mm ~ 100mm, and optical thickness is 5mm ~ 7mm, and optical material is BK7 glass; Described rear group of lens d front and rear surfaces range of curvature radius is respectively infinitely great and-80mm ~-90mm, and optical thickness is 5mm ~ 6mm, and optical material is F2 glass; Described rear group of lens e front and rear surfaces range of curvature radius is respectively 120mm ~ 130mm and 28mm ~ 32mm, and optical thickness is 6mm ~ 7mm, and optical material is BK7 glass.
10. binary channels multiband micro-imaging optical lens according to claim 8, it is characterized in that, distance between described switching mechanism and rear group of lens a is-210mm ~-230mm, distance between described rear group of lens a and rear group of lens b is-3mm ~-1mm, distance between described rear group of lens b and rear group of lens c is-2mm ~-1mm, distance between described rear group of lens c and rear group of lens d is-80mm ~-90mm, distance between described rear group of lens d and rear group of lens e is-8mm ~-10mm, distance between described rear group of lens 5 and image planes is-125mm ~-135mm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107703616A (en) * | 2016-08-08 | 2018-02-16 | 大连光耀辉科技有限公司 | Multi-channel laser output equipment and fluorescence microscope |
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| CN202885778U (en) * | 2012-09-27 | 2013-04-17 | 上海光学仪器五厂有限公司 | Double-channel image processing universal tool microscope |
| CN103293681A (en) * | 2013-05-06 | 2013-09-11 | 湖北久之洋红外系统股份有限公司 | Two-channel optical device with ultra large diameter and ultra long focal distance |
| CN104655283A (en) * | 2014-03-03 | 2015-05-27 | 上海膺芙光电科技有限公司 | Common-path infrared/visual light double-waveband microscopic system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107703616A (en) * | 2016-08-08 | 2018-02-16 | 大连光耀辉科技有限公司 | Multi-channel laser output equipment and fluorescence microscope |
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