CN202004312U - Diode pumping ceramic cavity - Google Patents
Diode pumping ceramic cavity Download PDFInfo
- Publication number
- CN202004312U CN202004312U CN2011200953273U CN201120095327U CN202004312U CN 202004312 U CN202004312 U CN 202004312U CN 2011200953273 U CN2011200953273 U CN 2011200953273U CN 201120095327 U CN201120095327 U CN 201120095327U CN 202004312 U CN202004312 U CN 202004312U
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- ceramic
- cavity
- laser
- diode pumping
- reflecting body
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Abstract
The utility model discloses a diode pumping ceramic cavity, belonging to the technical field of a laser pumping cavity. The key points of the technical scheme are as follows: the diode pumping ceramic cavity comprises a laser work stick, a glass cooling water pipe is sheathed at the periphery of the laser work stick, a plurality of ceramic reflecting bodies are arranged at the periphery of the glass cooling water pipe, the inner surface of the ceramic reflecting body is arc, the inner surfaces of the ceramic reflecting bodies form a circle of reflecting cavity with a circular tube shape, and the central axis of the reflecting cavity with a circular tube shape, is consistent to the central axis of the laser work stick; a gap is left between the two adjacent ceramic reflecting bodies, a semi-conductor laser source is arranged outside each gap, and a laser beam emitted by the semi-conductor laser source penetrates through the laser work stick to be reflected by the inner wall of the reflecting cavity with the circular tube shape after passing through the gap. The diode pumping ceramic cavity has the advantages of high electro-optic conversion efficiency and long service life, and can be used for a laser printer, a scribing machine, a welding machine and the like.
Description
Technical field
The utility model relates to laser pump cavity, and more particularly, it relates to a kind of diode pumping ceramic cavity.
Background technology
Most krypton lamp or the xenon lamps of adopting of conventional laser pump cavity are as light source, and along with development of semiconductor, laser pump cavity begins to adopt light-emitting diode as light source, relative conventional light source, and light-emitting diode has energy-conservation and advantage long service life.Diode pumping cavity in the market, its reflection cavity are mainly with the gold-plated reflector of doing of glass tube, because the bond strength of Gold plated Layer and glass surface is lower, temperature tolerance is relatively poor, in use Gold plated Layer comes off easily, has short deficiency in useful life, and be about about 1 year its normal useful life; And the light reflection efficiency in the gold-plated chamber of glass tube is lower and be not easy to cleaning, thereby should not be used for the high power laser pump cavity.
The utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency at prior art, and the diode pumping ceramic cavity of a kind of electric light transfer ratio height, long service life is provided.
The technical solution of the utility model is such: a kind of diode pumping ceramic cavity, comprise the laser work rod, be with the glass cools water pipe in laser work rod periphery, wherein said glass cools water pipe periphery is provided with polylith ceramic reflecting body, the inner surface of ceramic reflecting body is a circular arc, the inner surface of polylith ceramic reflecting body constitutes a circle pipe shape reflection cavity, and the axis of pipe shape reflection cavity is consistent with the axis of laser work rod; All leave the slit between adjacent two ceramic reflecting bodies, be equipped with semiconductor laser light resource outside every slit, the laser beam that semiconductor laser light resource sends passes the laser work rod and is reflected by pipe shape reflection cavity inwall behind this slit.
Further, in above-mentioned a kind of diode pumping ceramic cavity, the odd number of three or more that described ceramic reflecting body is big or small basically identical.
In above-mentioned a kind of diode pumping ceramic cavity, the slit between described adjacent two ceramic reflecting bodies is 1.0～2.0mm.
In above-mentioned a kind of diode pumping ceramic cavity, described ceramic reflecting body inner surface is provided with the glaze layer that strengthens reflecting effect, also can be the ceramic surface that does not have the glaze layer.
In above-mentioned a kind of diode pumping ceramic cavity, the thickness direction of described ceramic reflecting body is provided with axial cooling water through hole.
The utility model compared with prior art has following advantage:
Utilize polylith ceramic reflecting body to replace the gold-plated reflector of glass tube, the ceramic reflecting body is high temperature resistant, more owing to there is not coating, and long service life, its average life span is all more than 5 years; And fine cleaning can develop to the high power direction; After further improving, by at ceramic reflecting body inwall glazing layer, it, uses and reflectivity can not decayed up to more than 97% for a long time at the spectrum average reflectance of 400NM-900NM wavelength.
Description of drawings
Below in conjunction with the specific embodiment in the accompanying drawing the utility model is described in further detail, but does not constitute any restriction of the present utility model.
Fig. 1 is the schematic perspective view of a kind of specific embodiment of the utility model;
Fig. 2 is the inner section structural representation of the utility model pump cavity;
Fig. 3 is ceramic reflecting body and the gold-plated body reflectivity comparison diagram to different wavelengths of light.
Embodiment
Consulting shown in Figure 1ly, is the profile perspective view of a kind of diode pumping ceramic cavity of the utility model, and pump cavity is mounted on the base 6, and protected then shell 7 is sealed to integral body.
Consult shown in Figure 2ly, it is the inner section structural representation of diode pumping cavity, comprises laser work rod 1, is with glass cools water pipe 2 in laser work rod 1 periphery, the cooling water cooling laser work rod 1 that flows in glass cools water pipe 2; Be provided with three ceramic reflecting bodies 3 in glass cools water pipe 2 peripheries, the inner surface of ceramic reflecting body 3 is a circular arc, and the inner surface of polylith ceramic reflecting body 3 constitutes a circle pipe shape reflection cavity, and the axis of pipe shape reflection cavity is consistent with the axis of laser work rod 1; All leave the slit between adjacent two ceramic reflecting bodies 3, be equipped with semiconductor laser light resource 4 outside every slit, the laser beam that semiconductor laser light resource 4 sends passes laser work rod 1 and is reflected by pipe shape reflection cavity inwall behind this slit; Ceramic reflecting body 3 in the present embodiment adopts and contains 99.7% alundum (Al ceramic body sintering and form, and ceramic reflecting body 3 inner surfaces are provided with glaze layer 3a, to strengthen the light reflecting effect; Adopt three or more odd number ceramic reflecting body 3, its effect is to make slit between adjacent two ceramic reflecting bodies 3 just aim at the medium position of the ceramic reflecting body 3 in opposite, more helps the reflection of light, improves light reflectivity; Slit between the adjacent two ceramic reflecting bodies 3 of the utility model is as far as possible little, as long as semiconductor laser beam can pass through, the width in slit is good with 1.0～2.0mm; Present embodiment also is provided with axial cooling water through hole 3b at the thickness direction of ceramic reflecting body 3, is used for cooling water and passes through, and reduces the working temperature of ceramic reflecting body 3; In ceramic reflecting body 3 peripheries, also be glued with heat sinkly 5, further reduce the working temperature of ceramic reflecting body 3, guarantee its operate as normal.
Consult shown in Figure 3, be the utility model adopt the ceramic reflecting body and traditional gold-plated glass tube reflector to the reflectivity comparison diagram of different wavelengths of light, the utility model is owing to adopt high irreflexive ceramic reflecting body, its at the spectrum average reflectance of 400NM-9000NM wavelength up to more than 97%, apparently higher than the gold-plated reflector of glass tube, and use for a long time and reflectivity can not decayed.
Operation principle of the present utility model is: after the laser beam that semiconductor laser light resource 4 sends passes laser work rod 1, be placed in the casual backspace chamber of ceramic reflecting body 3 inwalls on its opposite, diffuse reflection by polylith ceramic reflecting body 3, make semiconductor laser beam repeatedly pass laser work rod 1, reach semiconductor laser beam is as often as possible absorbed by laser work rod 1, obtain high conversion efficiency in the hope of reaching, test electro-optical efficiency about 4% through reality.
Claims (6)
1. diode pumping ceramic cavity, comprise laser work rod (1), be with glass cools water pipe (2) in laser work rod (1) periphery, it is characterized in that, described glass cools water pipe (2) periphery is provided with polylith ceramic reflecting body (3), the inner surface of ceramic reflecting body (3) is a circular arc, and the inner surface of polylith ceramic reflecting body (3) constitutes a circle pipe shape reflection cavity, and the axis of pipe shape reflection cavity is consistent with the axis of laser work rod (1); All leave the slit between adjacent two ceramic reflecting bodies (3), be equipped with semiconductor laser light resource (4) outside every slit, the laser beam that semiconductor laser light resource (4) sends passes laser work rod (1) and is reflected by pipe shape reflection cavity inwall behind this slit.
2. a kind of diode pumping ceramic cavity according to claim 1 is characterized in that, described ceramic reflecting body (3) is three or more a odd number of big or small basically identical.
3. a kind of diode pumping ceramic cavity according to claim 1 is characterized in that, the slit between described adjacent two ceramic reflecting bodies (3) is 1.0～2.0mm.
4. according to the arbitrary described a kind of diode pumping ceramic cavity of claim 1 to 3, it is characterized in that described ceramic reflecting body (3) inner surface is provided with the glaze layer (3a) that strengthens reflecting effect.
5. according to the described a kind of diode pumping ceramic cavity of claim 1 to 3, it is characterized in that the thickness direction of described ceramic reflecting body (3) is provided with axial cooling water through hole (3b).
6. a kind of diode pumping ceramic cavity according to claim 5 is characterized in that, the thickness direction of described ceramic reflecting body (3) is provided with axial cooling water through hole (3b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200953273U CN202004312U (en) | 2011-04-01 | 2011-04-01 | Diode pumping ceramic cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200953273U CN202004312U (en) | 2011-04-01 | 2011-04-01 | Diode pumping ceramic cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202004312U true CN202004312U (en) | 2011-10-05 |
Family
ID=44707039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200953273U Expired - Fee Related CN202004312U (en) | 2011-04-01 | 2011-04-01 | Diode pumping ceramic cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202004312U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223563A (en) * | 2015-10-26 | 2016-01-06 | 惠州市杰普特电子技术有限公司 | Laser ranging system |
| CN105215555A (en) * | 2015-10-26 | 2016-01-06 | 惠州市杰普特电子技术有限公司 | Laser mark printing device |
| CN105215548A (en) * | 2015-10-26 | 2016-01-06 | 惠州市杰普特电子技术有限公司 | Laser soldering device |
-
2011
- 2011-04-01 CN CN2011200953273U patent/CN202004312U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223563A (en) * | 2015-10-26 | 2016-01-06 | 惠州市杰普特电子技术有限公司 | Laser ranging system |
| CN105215555A (en) * | 2015-10-26 | 2016-01-06 | 惠州市杰普特电子技术有限公司 | Laser mark printing device |
| CN105215548A (en) * | 2015-10-26 | 2016-01-06 | 惠州市杰普特电子技术有限公司 | Laser soldering device |
| CN105215548B (en) * | 2015-10-26 | 2017-09-12 | 惠州市杰普特电子技术有限公司 | Laser soldering device |
| CN105223563B (en) * | 2015-10-26 | 2019-06-04 | 惠州市杰普特电子技术有限公司 | Laser ranging system |
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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 |
Granted publication date: 20111005 Termination date: 20150401 |
|
| EXPY | Termination of patent right or utility model |