CN104076420B - Convex surface prism and the laser reflection device based on convex surface prism - Google Patents
Convex surface prism and the laser reflection device based on convex surface prism Download PDFInfo
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- CN104076420B CN104076420B CN201410279876.4A CN201410279876A CN104076420B CN 104076420 B CN104076420 B CN 104076420B CN 201410279876 A CN201410279876 A CN 201410279876A CN 104076420 B CN104076420 B CN 104076420B
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- 230000000694 effects Effects 0.000 abstract description 12
- 238000001069 Raman spectroscopy Methods 0.000 abstract description 9
- 230000003287 optical effect Effects 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 230000011514 reflex Effects 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 description 7
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
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Abstract
The present invention relates to a kind of Optical devices, a kind of laser reflection device based on convex surface prism is disclosed.It includes a pair convex surface prisms being located at respectively at laser reflection and at incidence, and two convex surface prism optical axises are 1mm 3mm with the height tolerance of guide pass, and the plane of incidence of convex surface prism is arc convex, and radius of curvature is 15mm 30mm.Convex surface prism is while reflex is played in the present invention, the laser beam compression that will can be reflected, plays shrink beam effect, and the reflection unit can make laser multiple reflections, decades of times strengthens laser energy, then causes that the faint lights such as the fluorescence and the Raman diffused light that are excited also are strengthened accordingly.
Description
Technical field
The present invention relates to a kind of Optical devices, more particularly to a kind of convex surface prism and the laser based on convex surface prism it is anti-
Injection device.
Background technology
General sieve prism, is optically to be used in optical instrument, for changing a kind of reflective prism of image orientation.
General sieve prism is the isosceles right angle prism fashioned into by glass blocks, and end plane is against right angle.Upper using, light is by Rhizoma Sparganii
Inclined-plane enters in mirror, by the total reflection twice of right-angle surface, then penetrates original plane of incidence injection, plays light line reflection
Effect.
Because the plane of incidence of traditional general sieve prism is plane, the laser beam compression that plane will can not reflect can not make to swash
Light efficiently multiple roundtrip, then the faint light such as fluorescence and Raman diffused light of laser excitation be also difficult to be increased accordingly
By force.
The content of the invention
The present invention can not be compressed for the light beam of general sieve prismatic reflection in the prior art, it is difficult to efficiently repeatedly anti-back and forth
Penetrate, so the faint light such as fluorescence and Raman diffused light of laser excitation is also difficult to obtain corresponding enhanced shortcoming, there is provided one
Plant convex surface prism and the laser reflection device based on convex surface prism.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：
Laser reflection device based on convex surface prism, including guide rail, guide rail are provided with two sliding blocks, and two sliding blocks distinguish position
At the incident place of laser and reflection, support is respectively and fixedly provided with two sliding blocks, also including two convex surface prisms, convex surface prism, bag
Two end faces are included, two right-angle surfaces, two right-angle surfaces are mutually perpendicular to, also including an arc convex, two connection planes, arc
Convex surface and two right-angle surfaces are respectively positioned between two end faces；Connected by two connection planes between arc convex and two right-angle surfaces
Connect, the radius of curvature of arc convex is 15mm-30mm.Support is provided with governor motion, and governor motion is used to adjust convex surface prism
With the height and angle of guide pass；Governor motion is provided with picture frame, and picture frame is used to fix convex surface prism；During two convex surface prisms are in
The heart is symmetrical, and arc convex is relative；Two convex surface prisms are 1mm-3mm with the difference in height of guide pass.
Sliding block on guide rail is located at the incident place of laser and reflection, will convex surface prism be placed in the incident place and instead of laser
Place is penetrated, open laser reflection device is formed between two prisms, laser is efficiently repeatedly anti-back and forth in laser reflection device
Penetrate, assemble in reflection cavity, form the short space through laser aggregation, and the plane of incidence of general sieve prism is put down by original
Face is changed to arc convex, you can make general sieve prism while reflex is played, the laser beam compression that will can be reflected is played
The effect of shrink beam so that in the short space laser energy decades of times enhancing so that what the space was excited
The faint light such as fluorescence and Raman diffused light has corresponding enhancing.
Support is provided with governor motion, and governor motion is used to adjust the height and angle of convex surface prism and guide pass, passes through
The governor motion can cause that the reflection angle of convex surface prism reaches most preferably so that incidence at reflection at general sieve prism phase
Position is in most preferably, the laser quantity in reflection cavity, fluorescence and Raman diffused light that enhancing is excited are strengthened to greatest extent
Etc. faint light.Governor motion is provided with picture frame, and picture frame is used to fix convex surface prism, the arc convex of convex surface prism and two right angles
Connection plane is provided between face, the connection plane can be used as picture frame retaining part, it is ensured that do not influenceing prism using effect
Under the premise of, stabilization, firm clamping are carried out to prism.
Two convex surface prisms and the difference in height of guide pass are 1mm-3mm, two optical axises of prism not under same straight line,
But have certain deviation, if in same plane, laser returns backtracking, it is impossible to laser is carried out in reflection cavity repeatedly
Reflection, then laser energy number cannot strengthen, and can not cause that the faint lights such as the fluorescence and the Raman diffused light that are excited are obtained
Corresponding enhancing.
Preferably, two right-angle surfaces are perpendicular to two end faces, the normal parallel of arc convex is in end face.This kind of structure
Prism can be such that reflecting effect reaches most preferably, make laser to greatest extent in prism internal reflection, so that laser energy in reflection cavity
Reach strengthens to greatest extent.
Preferably, connection plane is 100 °~160 ° with the angle of right-angle surface.Convex surface prism can quilt within this range
The clamping of stabilization.
More preferably, connection plane and the angle of right-angle surface are 135 °.The angle can make prism on support in most steady
Determine state, it is ensured that the nearest light collecting effect of prism.
Preferably, frame bottom is provided with groove, upper end of slide block is provided with the projection with frame bottom fit depressions.Make branch
Frame is movably connected on sliding block, when not carrying out laser reflection, you can by support from sliding block dismantle, install, using very convenient.
Preferably, the convex surface prism at laser light incident is also included into smooth surface, enter smooth surface positioned at the two of convex surface prism
Between individual right-angle surface.This enters smooth surface and is mainly to enable laser to enter to inject the reflection cavity to be reflected.
The present invention as a result of above technical scheme, with significant technique effect：
The present invention forms an open reflection cavity, general sieve by setting convex surface prism at laser light incident and at reflection
While reflex is played, the laser beam compression that will can be reflected plays shrink beam effect, and make two convex surface prisms to prism
Optical axis be not in same level, it is ensured that laser carries out multiple reflections in reflection cavity, decades of times enhancing laser energy number,
Then so that the faint light such as the fluorescence being excited and Raman diffused light is also strengthened accordingly.
Brief description of the drawings
Fig. 1 is the structural representation of convex surface prism；
Fig. 2 is the structural representation of the laser reflection device based on convex surface prism；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is Fig. 2 laser reflection schematic diagrams.
The toponym that each number designation is referred in accompanying drawing is as follows：1-convex surface prism, 101-end face, 102-right angle
Face, 103-arc convex, 104-connection plane, 201-guide rail, 202-sliding block, 203-support, 204-governor motion,
205-picture frame, 206-groove, 207-projection, 208-enter smooth surface.
Specific embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Laser reflection device based on convex surface prism, as shown in Figure 2 and Figure 3, including guide rail 201, guide rail 201 is provided with two
Individual sliding block 202, two sliding blocks 202 are located at the incident place of laser and reflection respectively, and support is respectively and fixedly provided with two sliding blocks 202
203, also including two convex surface prisms 1, support 203 is provided with governor motion 204, and governor motion 204 is used to adjust convex surface prism 1
With the height and angle of guide pass；Governor motion 204 is provided with picture frame 205, and picture frame 205 is used to fix convex surface prism 1；Two convex
Face prism 1 is centrosymmetric distribution, and arc convex 103 is relative；Two convex surface prisms 1 are 1mm with the difference in height of guide pass.
Sliding block 202 can be slided on guide rail 201, so as to conveniently adjust the length of reflection cavity between two convex surface prisms 1, be adjusted
Section mechanism 204 is used to adjust the height and angle of convex surface prism and guide pass, and the reflection angle of convex surface prism 1 can be made to reach most
It is good so that the relative position of the convex surface prism 1 at incidence and at reflection is in most preferably, by sliding block 202 and regulating member 204
Adjustment, can to greatest extent strengthen the laser quantity in reflection cavity, and fluorescence that enhancing is excited and Raman diffused light etc. are faint
Light.Governor motion is provided with picture frame, and picture frame is used to fix convex surface prism, between the arc convex of convex surface prism and two right-angle surfaces
Connection plane is provided with, the connection plane can be used as picture frame retaining part, it is ensured that on the premise of prism using effect is not influenceed,
Stabilization, firm clamping are carried out to prism.
Also, the convex surface prism 1 at laser light incident is also included into smooth surface 208, enter smooth surface 208 positioned at convex surface prism 1
Two right-angle surfaces between 102.
The plane of incidence of convex surface prism 1 is arc convex 103, you can make the convex surface prism 1 while reflex is played,
Be capable of will reflect laser beam compression, play a part of shrink beam so that in the short space laser energy decades of times increasing
By force, so that the faint light such as the fluorescence that is excited of the space and Raman diffused light has corresponding enhancing.
In addition, the bottom of support 203 is provided with groove 206, the upper end of sliding block 202 is provided with and is engaged with the bottom groove 206 of support 203
Projection 207.Frame bottom is provided with groove for parallelogram, and upper end of slide block projection is inverted trapezoidal, upper end of slide block projection
Snap in frame bottom and be provided with inside grooves, being fixed on sliding block for bracket stable, and support and sliding block active link can be made, no
When carrying out laser reflection, you can by support from sliding block dismantle, install, using very convenient.
Wherein convex surface prism, as shown in figure 1, including two end faces 101, two right-angle surfaces 102, two phases of right-angle surface 102
Mutually vertical, also including 103, two connection planes 104 of an arc convex, arc convex 103 and two right-angle surfaces 102 are respectively positioned on
Between two end faces 101；Connected by two connection planes 104 between arc convex 103 and two right-angle surfaces 102, arc is convex
The radius of curvature in face 103 is 20mm.
Also, two right-angle surfaces 102 make perpendicular to two end faces 101, the normal parallel of arc convex 103 in end face 101
Prism reaches optimal reflecting effect, and laser energy is strengthened to greatest extent.
Connection plane 104 is 135 ° with the angle of right-angle surface 102.The angle can make prism that most stable shape is on support
State, it is ensured that the nearest light collecting effect of prism.
As shown in figure 4, the smooth surface 208 of entering of convex surface prism 1 of the laser from incidence enters, laser passes through the convex surface at incidence
The convex surface prism 1 that prism 1 enters at reflection, projects in the convex surface prism 1 at reflection after being totally reflected twice, due to reflection
The convex surface of the convex surface prism 1 at place has the effect of shrink beam so that at symmetrical centre of the laser by two convex surface prisms, then enters again
The convex surface prism 1 at incidence is injected, is gone out from the convex surface of the prism after being totally reflected twice in the convex surface prism 1 at incidence
Penetrate, likewise, because the convex surface of the convex surface prism 1 at reflection also acts on shrink beam so that from swashing for the prism convex surface outgoing
Light also can be by the symmetrical centre of two convex surface prisms at, so move in circles, can be gradually thicker by the light beam at symmetrical centre,
And because the size of convex surface prism is limited, the short space that laser beam can be passed through at the symmetrical centre for tens of times back and forth so that should
Laser energy at short space is greatly enhanced.
Embodiment 2
With embodiment 1, except that two convex surface prisms 1 are 1mm with the difference in height of guide pass, arc convex 103
Radius of curvature is 15mm, and connection plane 104 is 100 ° with the angle of right-angle surface 102.
Embodiment 3
With embodiment 1, except that two convex surface prisms 1 are 3mm with the difference in height of guide pass, arc convex 103
Radius of curvature is 30mm, and connection plane 104 is 160 ° with the angle of right-angle surface 102.In a word, the foregoing is only it is of the invention compared with
Good embodiment, all impartial changes made according to scope of the present invention patent and modification, should all belong to patent of the present invention covers model
Enclose.
Claims (2)
1. the laser reflection device based on convex surface prism, including guide rail (201), guide rail (201) is provided with two sliding blocks (202),
Two sliding blocks (202) are located at the incident place of laser and reflection respectively, and support (203) is respectively and fixedly provided with two sliding blocks (202), its
It is characterised by：Also include convex surface prism (1), convex surface prism (1) includes two end faces (101), two right-angle surfaces (102), two
Right-angle surface (102) is mutually perpendicular to, also including an arc convex (103), two connection plane (104), arc convex (103) and
Two right-angle surfaces (102) are respectively positioned between two end faces (101)；Pass through between arc convex (103) and two right-angle surfaces (102)
Two connection plane (104) connections, the radius of curvature of arc convex (103) is 15mm-30mm, connection plane (104) and right angle
The angle in face (102) is 135 °；Support (203) is provided with governor motion (204), and governor motion (204) is for adjusting convex surface rib
The height and angle of mirror (1) and guide pass；Governor motion (204) is provided with picture frame (205), and picture frame (205) is for fixing convex surface
Prism (1)；Two convex surface prisms (1) are centrosymmetric distribution, and arc convex (103) is relative；Two convex surface prisms (1) and guide rail
The difference in height in face is 1mm-3mm；Convex surface prism (1) at laser light incident also includes, into smooth surface (208), entering smooth surface (208)
Between two right-angle surfaces of convex surface prism (1) (102).
2. the laser reflection device based on convex surface prism according to claim 1, it is characterised in that：Support (203) bottom
Groove (206) is provided with, sliding block (202) upper end is provided with the projection (207) being engaged with support (203) bottom groove (206).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410279876.4A CN104076420B (en) | 2014-06-20 | 2014-06-20 | Convex surface prism and the laser reflection device based on convex surface prism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410279876.4A CN104076420B (en) | 2014-06-20 | 2014-06-20 | Convex surface prism and the laser reflection device based on convex surface prism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104076420A CN104076420A (en) | 2014-10-01 |
| CN104076420B true CN104076420B (en) | 2017-06-06 |
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| CN201410279876.4A Expired - Fee Related CN104076420B (en) | 2014-06-20 | 2014-06-20 | Convex surface prism and the laser reflection device based on convex surface prism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH02249955A (en) * | 1989-03-24 | 1990-10-05 | Hirama Rika Kenkyusho:Kk | Multiple times reflected light type absorptiometry |
| JP2007012981A (en) * | 2005-07-01 | 2007-01-18 | National Institute Of Information & Communication Technology | Laser with high reflective coating on interior total reflection surface of optical element |
| JP5179736B2 (en) * | 2006-09-21 | 2013-04-10 | 株式会社小松製作所 | Laser equipment for exposure equipment |
| ATE555415T1 (en) * | 2007-10-01 | 2012-05-15 | Panasonic Corp | WAVELENGTH CONVERSION LASER DEVICE AND IMAGE DISPLAY DEVICE THEREFOR |
| CN103094823A (en) * | 2013-01-29 | 2013-05-08 | 华中科技大学 | Excimer laser power oscillator resonant cavity based on frustrated total reflection |
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Effective date of registration: 20171117 Address after: Green Ting Road Yuhang District Cang Qian street of Hangzhou city Zhejiang province 311121 No. 1 Building 3 room 492 Patentee after: FINDER DETECTION TECHNOLOGIES CO.,LTD. Address before: Yuhang District, Hangzhou City, Zhejiang Province, 311121 West Sea No. 998 Park Building No. 4 Room 401 Patentee before: ZHEJIANG CONVOLUTION SCIENCE & TECHNOLOGY CO.,LTD. |
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Granted publication date: 20170606 |