CN204178044U - The imaging converting system of flat field scanning lens workplace and surgical operation microscope workplace - Google Patents
The imaging converting system of flat field scanning lens workplace and surgical operation microscope workplace Download PDFInfo
- Publication number
- CN204178044U CN204178044U CN201420649422.7U CN201420649422U CN204178044U CN 204178044 U CN204178044 U CN 204178044U CN 201420649422 U CN201420649422 U CN 201420649422U CN 204178044 U CN204178044 U CN 204178044U
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- lens
- workplace
- imaging
- flat field
- surgical operation
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Abstract
The utility model provides the imaging converting system of a kind of flat field scanning lens workplace and surgical operation microscope workplace, it is characterized in that: it comprises microscope and scanning lens, the workplace be provided with between the two for being scanned by scanning lens is transformed into the imaging coupling camera lens of microscopical first imaging surface, by the design of imaging coupling camera lens, by from the parallel beam imaging of workplace through flat field scanning lens, and light beam cone angle is expanded, binocular aperture can be covered on micro objective.
Description
Technical field
The utility model belongs to optical technical field, being applied to the industries such as industry, detection, medical treatment, for the workplace of flat field scanning lens being transferred to the workplace of surgical operation microscope, making user of service can observe the workplace of scanning lens by microscope.
Background technology
Often to use laser in Laser Processing or laser medicine industry to scan target face, need staff to carry out Real Time Observation or monitoring to workplace simultaneously.This just needs to ensure laser optical path and the unification of imaging optical path coupling to light path system design.
Use in general laser light path system simple lens to laser carry out last focus on again through 45 degree of catoptron reflexs on workplace, visible light-transmissive on workplace 45 degree of mirrors are received by CCD, just form the picture of workplace, the real-time condition of workplace directly can be observed, as shown in Figure 1 by computer screen.
In the medical operating of precision, the flat field scanning lens will using large NA value in laser optical path focuses on, in imaging optical path, use body formula surgical operation microscope observe, therefore need to design separately imaging optical path, make imaging effect accomplish the best as much as possible.
And adopt technology in the past to operate, then do not possess real-time, need carrying out frequently to observe, the fluency of impact operation.
Utility model content
In order to overcome above technical deficiency, the utility model provides the imaging converting system of a kind of flat field scanning lens workplace and surgical operation microscope workplace.
The utility model provides the imaging converting system of a kind of flat field scanning lens workplace and surgical operation microscope workplace, it comprises microscope and scanning lens, and the workplace be provided with between the two for being scanned by scanning lens is transferred to the imaging coupling camera lens of microscopical first imaging surface.
Preferably, described imaging coupling camera lens comprises the first lens, the second lens and the 3rd lens that are arranged in order, and described first lens are biconvex lens, and described second lens are biconcave lens, and described 3rd lens are biconvex lens.
Preferably, the clear aperature of described first lens and the 3rd lens is 13.1mm.
Preferably, the clear aperature of described second lens is 12.3mm.
Preferably, the left radius-of-curvature of described first lens is 14.591mm, and right radius-of-curvature is 24.337mm, and its material is N-LAK34 lanthanum crown glass.
Preferably, the left radius-of-curvature of described second lens is 19.519mm, and right radius-of-curvature is 8.832mm, and its material is N-SF5 heavy-lanthanide flint glass.
Preferably, the left radius-of-curvature of described 3rd lens is 12.935mm, and right radius-of-curvature is 104.144mm, and its material is N-LAK34 lanthanum crown glass.
Preferably, described first lens, the second lens and the 3rd lens plating 450nm-750nm wave band anti-reflection film.
Preferably, described microscope comprises the eyepiece becoming magnification objective and achromatic objective and be positioned between the two.
The beneficial effect of utility model is: by the design of imaging coupling camera lens, by from the parallel beam imaging of workplace through flat field scanning lens, and light beam cone angle is expanded, binocular aperture can be covered on micro objective, directly show on microscopical image forming job face, observation is operated can carry out simultaneously, improve the real-time of operation.
Accompanying drawing explanation
Fig. 1 is the imaging optical path structure of General System.
Fig. 2 is the light channel structure schematic diagram of the utility model application.
Fig. 3 is the light channel structure figure of the utility model application.
Fig. 4 is ssystem transfer function MTF curve map of the present utility model.
Fig. 5 is detail parameters form of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
As shown in Figure 2, described microscope comprises the eyepiece becoming magnification objective and achromatic objective and be positioned between the two to the structural representation of application of the present utility model.
Microscopical achromatic objective with first time imaging surface operating distance be 148.2mm, aperture is the ultimate range between binocular is 35mm, microscopy work enlargement ratio 25 times time, visual field diameter is 9.2mm.According to structure, imaging lens imaging surface size roughly will be mated with field of microscope, and after imaging surface, the cone angle of light beam is greater than tan θ (0.5* microscope aperture/working distance of microscope)=0.101 simultaneously, ensures that light beam covers binocular aperture.
As shown in Figure 3, the utility model provides the imaging converting system of a kind of flat field scanning lens workplace and surgical operation microscope workplace, it comprises microscope and scanning lens, the workplace be provided with between the two for being scanned by scanning lens is transferred to the imaging coupling camera lens of microscopical first imaging surface, described imaging coupling camera lens comprises the first lens, the second lens and the 3rd lens that are arranged in order, described first lens are biconvex lens, described second lens are biconcave lens, and described 3rd lens are biconvex lens.
Described imaging coupling camera lens has at least plural convex lens, ensures that the light source of scanning lens scanning can be imaged on microscopical first imaging surface clearly.
The clear aperature of described first lens and the 3rd lens is 13.1mm.
The clear aperature of described second lens is 12.3mm.
The left radius-of-curvature of described first lens is 14.591mm, and right radius-of-curvature is 24.337mm, and its material is N-LAK34 lanthanum crown glass.
The left radius-of-curvature of described second lens is 19.519mm, and right radius-of-curvature is 8.832mm, and its material is N-SF5 heavy-lanthanide flint glass.
The left radius-of-curvature of described 3rd lens is 12.935mm, and right radius-of-curvature is 104.144mm, and its material is N-LAK34 lanthanum crown glass.
Described first lens, the second lens and the 3rd lens plating 450nm-750nm wave band anti-reflection film, the one side transmitance > 99% of lens, the overall transmitance > 90% of this optical system.
The imaging coupling camera lens that the utility model adopts, can by from the parallel beam imaging of workplace through flat field scanning lens, and light beam cone angle is expanded, can cover binocular aperture on micro objective, detail parameters of the present utility model is as shown in Figure 5.Imaging coupling camera lens realize ssystem transfer function MTF curve as shown in Figure 4, the light path in camera lens Fig. 3 is mated in the corresponding imaging of red, yellow, blue, the green difference in figure.
The utility model is by scanning lens scanning work face, and the workplace after scanning lens scans by then imaging coupling camera lens is imaged onto on microscopical first imaging surface, is then directly observed by microscopical eyepiece, ensures the real-time of scanning and observation.
Embodiment should not be considered as restriction of the present utility model, any improvement done based on spirit of the present utility model, all should within protection domain of the present utility model.
Claims (9)
1. the imaging converting system of a flat field scanning lens workplace and surgical operation microscope workplace, it is characterized in that: it comprises microscope and scanning lens, the workplace be provided with between the two for being scanned by scanning lens is transferred to the imaging coupling camera lens of microscopical first imaging surface.
2. according to the imaging converting system of the flat field scanning lens workplace described in claim 1 and surgical operation microscope workplace, it is characterized in that, described imaging coupling camera lens comprises the first lens, the second lens and the 3rd lens that are arranged in order, described first lens are biconvex lens, described second lens are biconcave lens, and described 3rd lens are biconvex lens.
3. the imaging converting system of flat field scanning lens workplace according to claim 2 and surgical operation microscope workplace, is characterized in that, the clear aperature of described first lens and the 3rd lens is 13.1mm.
4. the imaging converting system of flat field scanning lens workplace according to claim 2 and surgical operation microscope workplace, is characterized in that, the clear aperature of described second lens is 12.3mm.
5. the flat field scanning lens workplace according to Claims 2 or 3 and the imaging converting system of surgical operation microscope workplace, it is characterized in that, the left radius-of-curvature of described first lens is 14.591mm, and right radius-of-curvature is 24.337mm, and its material is N-LAK34 lanthanum crown glass.
6. the flat field scanning lens workplace according to claim 2 or 4 and the imaging converting system of surgical operation microscope workplace, it is characterized in that, the left radius-of-curvature of described second lens is 19.519mm, and right radius-of-curvature is 8.832mm, and its material is N-SF5 heavy-lanthanide flint glass.
7. the flat field scanning lens workplace according to Claims 2 or 3 and the imaging converting system of surgical operation microscope workplace, it is characterized in that, the left radius-of-curvature of described 3rd lens is 12.935mm, and right radius-of-curvature is 104.144mm, and its material is N-LAK34 lanthanum crown glass.
8. the imaging converting system of flat field scanning lens workplace according to claim 2 and surgical operation microscope workplace, is characterized in that, described first lens, the second lens and the 3rd lens plating 450nm-750nm wave band anti-reflection film.
9. the imaging converting system of flat field scanning lens workplace according to claim 1 and surgical operation microscope workplace, is characterized in that, described microscope comprises the eyepiece becoming magnification objective and achromatic objective and be positioned between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420649422.7U CN204178044U (en) | 2014-11-04 | 2014-11-04 | The imaging converting system of flat field scanning lens workplace and surgical operation microscope workplace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420649422.7U CN204178044U (en) | 2014-11-04 | 2014-11-04 | The imaging converting system of flat field scanning lens workplace and surgical operation microscope workplace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204178044U true CN204178044U (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420649422.7U Expired - Fee Related CN204178044U (en) | 2014-11-04 | 2014-11-04 | The imaging converting system of flat field scanning lens workplace and surgical operation microscope workplace |
Country Status (1)
| Country | Link |
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| CN (1) | CN204178044U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391370A (en) * | 2014-11-04 | 2015-03-04 | 温州生物材料与工程研究所 | Flat field scanning lens working face and surgery microscope working surface imaging switching system |
-
2014
- 2014-11-04 CN CN201420649422.7U patent/CN204178044U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391370A (en) * | 2014-11-04 | 2015-03-04 | 温州生物材料与工程研究所 | Flat field scanning lens working face and surgery microscope working surface imaging switching system |
| WO2016070469A1 (en) * | 2014-11-04 | 2016-05-12 | 浙江温医雷赛医用激光科技有限公司 | Imaging conversion system for flat field scanning lens working face and surgery microscope working face |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20171104 |