CN1741327A - Diffuse reflection light-gathering cavity - Google Patents
Diffuse reflection light-gathering cavity Download PDFInfo
- Publication number
- CN1741327A CN1741327A CN 200510029674 CN200510029674A CN1741327A CN 1741327 A CN1741327 A CN 1741327A CN 200510029674 CN200510029674 CN 200510029674 CN 200510029674 A CN200510029674 A CN 200510029674A CN 1741327 A CN1741327 A CN 1741327A
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- China
- Prior art keywords
- metal tube
- light
- tube
- gathering cavity
- glass
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- 239000011521 glass Substances 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 238000002310 reflectometry Methods 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims description 10
- 229910052779 Neodymium Inorganic materials 0.000 abstract description 7
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003321 amplification Effects 0.000 abstract 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Inorganic materials [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000931526 Acer campestre Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000000680 avirulence Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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Abstract
A diffuse reflection light-gathering cavity used in large-aperture neodymium glass rod-shaped amplifier for high-power amplification stage light path adjustment is characterized in that the light-gathering cavity is formed by arranging a glass tube in a metal tube, and a uniform gap between the glass tube and the metal tube is uniformly and densely filled with high-reflectivity BaSO4And the two positioning blocks are respectively arranged at two ends of a gap formed by the glass tube and the metal tube and are fixed with the end surface of the metal tube. The diffuse reflection light-gathering cavity has the characteristics of simple structure, better manufacturability and convenient manufacture, greatly reduces the manufacturing cost of the light-gathering cavity in the neodymium glass rod amplifier, improves the light beam reflection efficiency and the light beam uniformity, and simultaneously improves the gain effect of the neodymium glass laser rod.
Description
Technical field
The present invention relates to neodymium glass bar-shaped amplifier, particularly a kind of diffuse reflecting pump cavity.Be mainly used in and require uniformity of laser beam good, the efficiency of transmission height is in the neodymium glass bar-shaped amplifier of heavy caliber during the high power amplifying stage light path that beam quality is high is adjusted.
Background technology
In the Optical Maser System of high-repetition-rate high-output power, because injecting the energy of laser beam increases, it is big that the laser beam bore becomes, require the clear aperture of laser to strengthen, the heavy caliber mirror reflection spotlight chamber that tradition is used, owing to adopt the geometric optics transmission principle, in transmission course, easily form " bright spot " and " dim spot ", thereby cause that the pumping inhomogeneities causes the heat distortion very serious, to the transmission quality of light beam, the gain effects of pumping is all very big, and heavy caliber mirror reflection spotlight chamber need adopt the plum blossom flap sheffield plate of polishing as the reflection carrier, complex manufacturing technology, the cost height.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the shortcoming in above-mentioned traditional heavy caliber mirror reflection spotlight chamber, provides a kind of diffuse reflecting pump cavity, to improve the transmission quality and the energy of light beam.
The principle of the technology of the present invention solution is to utilize the diffusing characteristic diffuser of non-geometric optics transmission principle, adopts BaSO
4This class high reflectance powder is made diffuse reflecting pump cavity as the beam Propagation carrier, improves beam Propagation quality and energy.
Technical solution of the present invention is as follows:
A kind of diffuse reflecting pump cavity is characterized in that this laser pump cavity is that a glass tube places in the metal tube, evenly and densely fills the BaSO with high reflectance in the uniform gap between this glass tube and described metal tube
4Powder, two locating pieces place the two ends in the gap that described glass tube and metal tube form respectively and fix it.
Described glass tube and metal tube the gap be 3～5mm.
Described BaSO
4The reflectivity of powder 〉=98%.
The advantage that the present invention compares with traditional mirror reflecting condensation chamber:
Because BaSO
4Powder purity height, reflectivity 〉=98%, diffuse properties is good, and mattness all has same high reflectance to each wavelength, adopts this material can effectively improve beam Propagation efficient and beam uniformity, and this BaSO
4Powder belongs to the avirulence material, and is harmless to operating personnel.
Diffuse reflecting pump cavity of the present invention simple in structure greatly reduces the manufacturing cost of laser pump cavity in the neodymium glass bar-shaped amplifier, and manufacturability is better, has improved beam reflection efficient and beam uniformity, has improved the gain effect of neodymium glass rod simultaneously.
The present invention is particularly suitable for making diffuse reflection heavy caliber laser pump cavity.
Description of drawings
Fig. 1 looks the complete section schematic diagram for the master of embodiment of the invention diffuse reflection heavy caliber laser pump cavity
Fig. 2 looks cross-sectional schematic for the left side of embodiment of the invention diffuse reflection heavy caliber laser pump cavity
Fig. 3 is the partial schematic sectional view of embodiment of the invention diffuse reflection heavy caliber laser pump cavity
Embodiment
See also Fig. 1, Fig. 2 and Fig. 3 earlier, as seen from the figure, the embodiment of the invention, diffuse reflection heavy caliber laser pump cavity 1 are by two clamping plates 101 glass tube 102 to be fixed in the metal tube 103, evenly and densely are filled with high reflectance BaSO between this glass tube 102 and the described metal tube 103
4 Powder 104 places locating piece 105 respectively the two ends in the gap that described glass tube 102 and metal tube 103 form.
Gap between large-caliber glass tubes 102 described in the present embodiment and the heavy caliber metal tube 103 is 4mm.Described BaSO
4The purity height of powder, reflectivity 〉=98%
Diffuse reflection heavy caliber laser pump cavity 1 manufacture method of the present invention is: large-caliber glass tubes 102 is placed in the heavy caliber metal tube 103, locating piece 105 is placed the two ends in the gap between described large-caliber glass tubes 102 and the heavy caliber metal tube 103 respectively, guarantee that large-caliber glass tubes 102 and the two ends, gap that heavy caliber metal tube 103 forms are the 4mm gap, again with BaSO
4Powder pours into it with aid, guarantees that it is evenly closely knit; Be to guarantee sealing property, then earlier firmly, clamping plate 101 are fixed to the two ends of described heavy caliber metal tube 103, formation diffuse reflection heavy caliber laser pump cavity 1 with screw 106 with high temperature resistant silica gel 703 sealings at the two ends in described gap.
Claims (3)
1, a kind of diffuse reflecting pump cavity, it is characterized in that this laser pump cavity (1) is that a glass tube (102) places in the metal tube (103), evenly and densely is filled with the BaSO of high reflectance in the uniform gap between this glass tube (102) and the described metal tube (103)
4Powder (104) places the two ends in the gap that described glass tube (102) and metal tube (103) form respectively with locating piece (105) and fixes with the end face of described metal tube (103).
2, diffuse reflecting pump cavity according to claim 1, it is characterized in that described glass tube (102) and metal tube (103) two pipes the gap be 3～5mm.
3, diffuse reflecting pump cavity according to claim 1 is characterized in that described BaSO
4The reflectivity of powder 〉=98%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510029674 CN1741327A (en) | 2005-09-15 | 2005-09-15 | Diffuse reflection light-gathering cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510029674 CN1741327A (en) | 2005-09-15 | 2005-09-15 | Diffuse reflection light-gathering cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1741327A true CN1741327A (en) | 2006-03-01 |
Family
ID=36093596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510029674 Pending CN1741327A (en) | 2005-09-15 | 2005-09-15 | Diffuse reflection light-gathering cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1741327A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414095A (en) * | 2013-08-01 | 2013-11-27 | 中国航空工业集团公司北京航空制造工程研究所 | Laser-gathering cavity for solid laser |
-
2005
- 2005-09-15 CN CN 200510029674 patent/CN1741327A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414095A (en) * | 2013-08-01 | 2013-11-27 | 中国航空工业集团公司北京航空制造工程研究所 | Laser-gathering cavity for solid laser |
| CN103414095B (en) * | 2013-08-01 | 2016-08-10 | 中国航空工业集团公司北京航空制造工程研究所 | A kind of laser pump cavity for solid state laser |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |