CN107147000A - Lift xenon lamp transmission efficiency and the structure of distributing homogeneity - Google Patents
Lift xenon lamp transmission efficiency and the structure of distributing homogeneity Download PDFInfo
- Publication number
- CN107147000A CN107147000A CN201710453870.8A CN201710453870A CN107147000A CN 107147000 A CN107147000 A CN 107147000A CN 201710453870 A CN201710453870 A CN 201710453870A CN 107147000 A CN107147000 A CN 107147000A
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- China
- Prior art keywords
- xenon lamp
- reflector
- reflector plate
- transmission efficiency
- light
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/0915—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
A kind of to lift xenon lamp transmission efficiency and the structure of distributing homogeneity, the structure includes：Xenon lamp, reflector, reflector plate, polylith gain media, upper reflector and lower reflector.Characterized in that, adding reflector plate between xenon lamp and reflector, along xenon lamp cross-sectional direction, the reflector plate is arranged along xenon lamp axis direction, and the number of the reflector plate is N, N >=2.The present invention is skillfully constructed with simple and easy to apply, improves transmission efficiency of the light from xenon lamp to gain medium facet, reduce the supply of the energy, saved cost, while also improving uniformity of the light in gain medium facet light distribution.
Description
Technical field
It is particularly a kind of to be used to lift disk amplifier xenon lamp extremely in device of high power laser the present invention relates to amplifier
The structure of gain medium facet transmission efficiency and distributing homogeneity.
Background technology
As the reflector of coupler between xenon lamp and gain media, its effect is that the light at xenon lamp back is transferred into increasing
Beneficial dielectric surface, by the optimization to reflector structure to reduce the mutual absorption between self-absorption and xenon lamp of the xenon lamp to light,
The transmission efficiency of increasing light, increases the deposition of gain medium facet energy, reduction xenon lamp load.
At present, various shapes based on the different understanding and the different designs of pump mode to the model that lights both at home and abroad
Reflector.Parabolic reflector is devised according to imaging and pump mode, the type reflector well can transmit xenon lamp
To gain medium facet, due to that can not ignore the diameter of xenon lamp, some light is absorbed, to the position accuracy demand of xenon lamp compared with
It is high.Based on xenon lamp lambert body point light source light-emitting model and rim ray principle, involute shape reflector is devised, it is believed that without absorption
Xenon lamp is all passed.In addition, have also been devised corrugated reflector, plate shaped reflector and arc-shaped reflector etc.
, due to the limitation of the reasons such as installation dimension, more or less there is self-absorption and mutually absorption for xenon lamp in the reflector of various shapes.
Based on above achievement in research, it is found that the transmission efficiency of xenon lamp to gain medium facet is still relatively low, this is mainly
Because：Xenon lamp is lighted, and model understanding is not abundant enough, and existing optimization design structure is to make full use of xenon lamp two dimensional surface
Interior light, and the light of other dimensions of space is have ignored, limited extent is lifted, the very big wave of xenon lamp radiation energy is so not only caused
Take, and difficulty realizes that xenon lamp light intensity is uniformly distributed in gain medium facet.
The content of the invention
The purpose of the present invention is to lift xenon lamp transmission efficiency with dividing there is provided one kind to solve above-mentioned problem of the prior art
The structure of cloth uniformity.This is simple for structure, improves transmission efficiency of the light from xenon lamp to gain medium facet, improves
Energy utilization rate, improves the uniformity that light is distributed in gain medium facet.
The solution of the present invention is as follows：
It is a kind of to lift xenon lamp transmission efficiency and the structure of distributing homogeneity, the structure：Including xenon lamp, reflector, reflection
Piece, polylith gain media, upper reflector and lower reflector, it is characterised in that between xenon lamp and reflector, along xenon lamp cross section
Reflector plate is added in direction, and the reflector plate is arranged along xenon lamp axis direction, and the number of the reflector plate is N, N >=2.
Described gain media is four pieces, then the number of reflector plate is N=5.
Described gain media is two pieces, then the number of reflector plate is N=3.
Described reflector plate thickness is d1, 0<d1≤2mm。
The distance between described reflector plate and gain media are d2, 0 ＜ d2≤200mm。
Described reflector plate is plane lamina or curved sheets.
Described reflector plate is equidistantly arranged along xenon lamp axis direction.
Compared with prior art, the beneficial effects of the invention are as follows：
By the addition of reflector plate, efficiency of transmission of the light from xenon lamp to gain medium facet, Er Qieti are not only increased
The uniformity of high gain medium surface light distribution, design structure is compact, the gain of final boost amplifier and improves light beam
Quality.With simple and easy to apply, it is skillfully constructed, improves transmission efficiency of the light from xenon lamp to gain medium facet, reduce energy
The supply in source, has saved cost, while also improving uniformity of the light in gain medium facet light distribution.
Brief description of the drawings
Fig. 1 is transferred to the structural representation of gain medium facet for xenon lamp in former disk amplifier, wherein, a is four pieces
Gain media；B is two pieces of gain medias.
Fig. 2 is the structural representation of the inventive method embodiment 1, wherein, a is four pieces of gain medias；B is that two pieces of gains are situated between
Matter.
Fig. 3 is the structural representation of the inventive method embodiment 2.
Embodiment
The present invention is described in detail below by embodiment, but the scope of the invention is not limited to following embodiments.
Embodiment 1
Xenon flash lamp pumping structural representation such as Fig. 1 of former disk amplifier, is situated between by xenon lamp 4, imitative involute reflector 5, gain
Matter 2, up and down reflector 1 and 3 are constituted, xenon lamp 4 be countless point light source groups based on outer surface into pumping source, utilize xenon lamp 4
Back imitate involute reflector 5 by the light in the dorsad two dimensional surface on the surface of gain media 2 (or a small amount of inhaling without absorption
Receive) once or multiple reflections are gone out, xenon lamp 4 is launched to the part outside the surface of gain media 2 using reflector 1 and 3 up and down
Light is one or many to reflex to the surface of gain media 2, and wherein gain media 2 is placed in Brewster's angle.
First referring to Fig. 2, Fig. 2 is the structural representation of the inventive method embodiment 1, as seen from the figure, present invention lifting xenon lamp
The structure of light transmissioning efficiency and distributing homogeneity, including xenon lamp 4, reflector 5, reflector plate 6, four pieces of gain medias 2, upper reflectors
1 and lower reflector 3, it is characterised in that add reflector plate 6 between xenon lamp 4 and reflector 5, along the cross-sectional direction of xenon lamp 4, should
Reflector plate 6 is arranged along the axis direction of xenon lamp 4, number N=5 of the reflector plate 6, the thickness d of described reflector plate 61=
2mm, the distance between described reflector plate 6 and gain media 2 d2=10mm, the bit plane thin slice of reflector plate 6, along xenon lamp
4 axial direction is equidistantly arranged.
Ray tracing is carried out to the light of different-waveband using TracePro.Expert softwares, with the surface of gain media 2
Light intensity/total light intensity represent transmission efficiency, the centerline light intensity with the surface of gain media 2 along the axis direction of xenon lamp 4 it is equal
Even property represents the uniformity (axis direction of xenon lamp 4) of light intensity, as a result shows, using present invention lifting xenon lamp transmission efficiency with dividing
The structure of cloth uniformity, i.e., by the way that, along xenon, 4 axis directions, equidistantly addition N are 5, d between xenon lamp 4 and reflector 51For
2mm, d2For 10mm flat thin chip reflector plate 6, the relatively former pump of amplifier xenon lamp 4 of light intensity/total light intensity on the surface of gain media 2
Pu structure chart 1 (a) improves 14.0%；The light intensity average of centerline of the surface of gain media 2 along the axis direction of xenon lamp 4 and
12.6% and 3.94% is respectively increased in evenness, that is, improves xenon lamp transmission efficiency and the uniformity of light distribution.
Embodiment 2
Pumping configuration such as Fig. 1 (b) of xenon lamp 1 of former disk amplifier, refers to embodiment 1.
First referring to Fig. 3, Fig. 3 is the structural representation of the inventive method embodiment 2, as seen from the figure, present invention lifting xenon lamp
The structure of light transmissioning efficiency and distributing homogeneity, the structure include xenon lamp 4, reflector 5, reflector plate 6, two pieces of gain medias 2, on
Reflector 1 and lower reflector 3, it is characterised in that between xenon lamp 4 and reflector 5, add and reflect along the cross-sectional direction of xenon lamp 4
Piece 6, the reflector plate 6 is arranged along the axis direction of xenon lamp 4, number N=3 of the reflector plate 6, the thickness of described reflector plate 6
d1=2mm, the distance between described reflector plate 6 and gain media 2 d2=10mm, the bit plane thin slice of reflector plate 6, along
The axial direction of xenon lamp 4 is equidistantly arranged.
Ray tracing is carried out to the light of different-waveband using TracePro.Expert softwares, with the surface of gain media 2
Light intensity/total light intensity represent transmission efficiency, the centerline light intensity with the surface of gain media 2 along the axis direction of xenon lamp 4 it is equal
Even property represents the uniformity (axis direction of xenon lamp 4) of light intensity, as a result shows, efficiency and distribution are passed using present invention lifting xenon lamp
The structure of uniformity, i.e., be 3, d by adding N between xenon lamp 4 and reflector 5 along the axis direction of xenon 4, equidistantly1For 2mm, d2
For 10mm flat thin chip reflector plate 6, the relatively former pumping configuration of amplifier xenon lamp 4 of light intensity/total light intensity on the surface of gain media 2
Fig. 1 (b) is lifted to 6.0%；The light intensity average value of centerline of the surface of gain media 2 along the axis direction of xenon lamp 4 and
Even property is respectively increased 5.6% and constant, that is, improves the transmission efficiency of xenon lamp.
Claims (7)
1. a kind of lift xenon lamp transmission efficiency and the structure of distributing homogeneity, including xenon lamp (4), reflector (5), reflector plate
(6), polylith gain media (2), upper reflector (1) and lower reflector (3), it is characterised in that in xenon lamp (4) and reflector (5)
Between, along xenon lamp (4) cross-sectional direction add reflector plate (6), the reflector plate (6) along xenon lamp (4) axis direction arrange, it is described
The number of reflector plate (6) is N, N >=2.
2. the structure of lifting xenon lamp transmission efficiency according to claim 1 and distributing homogeneity, it is characterised in that described
Gain media (2) is four pieces, then the number of reflector plate (6) is N=5.
3. the structure of lifting xenon lamp transmission efficiency according to claim 1 and distributing homogeneity, it is characterised in that described
Gain media (2) is two pieces, then the number of reflector plate (6) is N=3.
4. according to the method described in claim 1, it is characterised in that described reflector plate (6) thickness is d1, 0<d1≤2mm。
5. according to the method described in claim 1, it is characterised in that the distance between the reflector plate (6) and gain media (2)
For d2, 0 ＜ d2≤200mm。
6. the structure of lifting xenon lamp transmission efficiency according to claim 1 and distributing homogeneity, it is characterised in that described
Reflector plate (6) be plane lamina or curved sheets.
7. the structure of lifting xenon lamp transmission efficiency according to claim 1 and distributing homogeneity, it is characterised in that described
Reflector plate (6) is equidistantly arranged along xenon lamp (4) axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453870.8A CN107147000A (en) | 2017-06-15 | 2017-06-15 | Lift xenon lamp transmission efficiency and the structure of distributing homogeneity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453870.8A CN107147000A (en) | 2017-06-15 | 2017-06-15 | Lift xenon lamp transmission efficiency and the structure of distributing homogeneity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107147000A true CN107147000A (en) | 2017-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710453870.8A Pending CN107147000A (en) | 2017-06-15 | 2017-06-15 | Lift xenon lamp transmission efficiency and the structure of distributing homogeneity |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1619405A (en) * | 2004-10-11 | 2005-05-25 | 中国工程物理研究院激光聚变研究中心 | Large-caliber square-beam modular neodymium glass flake amplifier |
| US20070002920A1 (en) * | 2005-06-21 | 2007-01-04 | Natl Inst Of Inf And Comm Tech Inc Admin Agency | Multipath laser apparatus using a solid-state slab laser rod |
| CN106785858A (en) * | 2017-01-23 | 2017-05-31 | 中国科学院上海光学精密机械研究所 | Lifting disk amplifier in xenon lamp to gain medium facet transmission efficiency method |
-
2017
- 2017-06-15 CN CN201710453870.8A patent/CN107147000A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1619405A (en) * | 2004-10-11 | 2005-05-25 | 中国工程物理研究院激光聚变研究中心 | Large-caliber square-beam modular neodymium glass flake amplifier |
| US20070002920A1 (en) * | 2005-06-21 | 2007-01-04 | Natl Inst Of Inf And Comm Tech Inc Admin Agency | Multipath laser apparatus using a solid-state slab laser rod |
| CN106785858A (en) * | 2017-01-23 | 2017-05-31 | 中国科学院上海光学精密机械研究所 | Lifting disk amplifier in xenon lamp to gain medium facet transmission efficiency method |
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Application publication date: 20170908 |