CN101299509A - Multi-wavelength laser - Google Patents
Multi-wavelength laser Download PDFInfo
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- CN101299509A CN101299509A CNA2008100712744A CN200810071274A CN101299509A CN 101299509 A CN101299509 A CN 101299509A CN A2008100712744 A CNA2008100712744 A CN A2008100712744A CN 200810071274 A CN200810071274 A CN 200810071274A CN 101299509 A CN101299509 A CN 101299509A
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Abstract
The invention discloses a multiple wavelength laser, including a pumping source, an optical coupled system, two groups or more than two groups of independent laser cavities, wherein the pumping source includes two or more than two pumping light and the pumping adopts the end face pumping; two or more than two groups of independent laser cavities are arranged in the pre and post sequence, to cause the pumping light to pump two or more than two groups of laser gain media; the latter laser cavity allows the wavelength laser transmissive output by the former laser cavity. Adopting the scheme, the invention has compact structure, small volume, which can be widely used in the detection system and the indictor systems.
Description
Technical field
The present invention relates to laser field, relate in particular to a kind of laser of exporting the multi-wavelength of two or more first-harmonics, frequency doubled light or first-harmonic and the output of frequency doubled light hybrid laser at same light direction.
Background technology
In semiconductor pumped laser, only adopt an a kind of gain medium of pumping wavelength pumping to obtain first-harmonic, frequency doubled light or first-harmonic and frequency doubled light output usually.Sometimes need two different cavity to produce the synthetic a branch of light of wavelength but realize using, method commonly used is that two groups of laser output light are synthesized together by closing the bundle mode, needs bigger space like this, makes small product size bigger.
Summary of the invention
The object of the invention provide a kind of simple in structure, volume is little, cost is low, can export the laser of the multi-wavelength of two or more first-harmonics, frequency doubled light or first-harmonic and frequency doubled light hybrid laser output at same light direction.
The present invention is by the following technical solutions: the laser of multi-wavelength comprises pumping source, optical coupling system, two groups or more laser cavity independently, pumping source comprises two or more pump lights, wherein end pumping is adopted in pumping, two groups or more independently laser cavity by the front and back sequence arrangement, make two groups or more gain medium of pump light pumping simultaneously, the wavelength laser transmission of laser cavity output before back laser cavity should allow.
Above-mentioned pumping source is a semiconductor pump laser, adopts one or more semiconductor pump lasers.
An above-mentioned above semiconductor pump laser output direction of light is parallel or different directions, adopts optical-fiber bundling, perhaps adopts light combination mirror to close bundle.
Above-mentioned light combination mirror places in the outer or back laser cavity of laser cavity.
Above-mentioned independent laser cavity comprises laser mirror or chamber film and gain medium, and gain medium is in plating chamber film on the face of laser cavity surface.
Also be provided with the optical element except that gain medium in the above-mentioned independent laser cavity.
Above-mentioned optical element is frequency-doubling crystal, prism, polarizer, wave plate, laser mirror, the different wave length of transmission simultaneously.
Each element is discrete state or composes microplate in the above-mentioned independent laser cavity.
The independent laser cavity of above-mentioned two groups or more is deepened optical cement by optical cement, or gummed is bonded to single integral body.
The present invention adopts above scheme, product with compact structure, and volume is little, production technology is simple, and low cost of manufacture is implemented in same light direction and exports two or more first-harmonics, frequency doubled light or first-harmonic and the output of frequency doubled light hybrid laser, thereby can be widely used in detection system, indicator system.
Description of drawings
Now in conjunction with the accompanying drawings the present invention is further described:
Fig. 1 is the principle schematic of the laser of multi-wavelength of the present invention;
Fig. 2 is the structural representation of one of laser embodiment of multi-wavelength of the present invention;
Fig. 3 is two the structural representation of the laser embodiment of multi-wavelength of the present invention;
Fig. 4 is three the structural representation of the laser embodiment of multi-wavelength of the present invention;
Fig. 5 is four the structural representation of the laser embodiment of multi-wavelength of the present invention;
Fig. 6 is five the structural representation of the laser embodiment of multi-wavelength of the present invention.
Embodiment
See also shown in Fig. 1 or 2, the present invention includes pumping source 1, optical coupling system 2, two groups or more laser cavity 31,32 independently ... pumping source 1 comprises two or more pump lights, pumping source 1 is a semiconductor pump laser, adopt one or more semiconductor pump lasers, end pumping is adopted in pumping; Two groups or more is laser cavity 31,32 independently ... by the front and back sequence arrangement, independent laser cavity 31 or 32 ... comprise laser mirror 312 or 322 ... or chamber film S1 or S2 and gain medium 311,321 ... gain medium 311,321 ... be in laser cavity 31,32 ... plating chamber film S3, S4 on the face of end face ..., make two groups or more gain medium 311,321 of pump light pumping simultaneously ...Can also be according to different requirements to the needs shoot laser, independent laser cavity 31,32 ... in can be provided with except that gain medium 311,321 ... optical element 313,323 in addition ... optical element 313,323 ... can be frequency-doubling crystal, prism, polarizer, wave plate, laser mirror etc., the different wave length of transmission simultaneously.As shown in Figure 1, independent laser cavity 31,32 ... in each element be discrete state, as shown in Figure 2, independent laser cavity 31,32 ... in each element also can compose microplate, two groups or more independent laser cavity 31,32 ... by optical cement, the in-depth optical cement, or gummed is bonded to single integral body.
Fig. 1 or 2 operation principles are: two groups or more is laser cavity 31,32 independently, constitute laser cavity 31 by laser mirror 312 or chamber film S1, optical element 313, gain medium 311 and chamber film S3 respectively, laser mirror 322 or chamber film S2, optical element 323, gain medium 321 and chamber film S4 constitute laser cavity 32, and optical element 313,323 adopts frequency-doubling crystal KTP.As pumping source 1 output center wavelength is the pump light of 808nm, after optical coupling system 2 coupling outputs, pump light is by laser cavity 31 and 32, two laser cavities 31 and 32 are worked simultaneously, suitably regulate chamber mirror 312,322 or chamber film S1, the S2 of two laser cavities 31,32, then can export two laser that wavelength is λ 1 and λ 2 in same direction, as the ruddiness of wavelength 671nm and the green glow of wavelength 532nm, wavelength X 1 laser-transmitting of laser cavity 31 outputs before laser cavity 32 should allow then.
See also again shown in Fig. 3,4 or 5, pumping source 1 of the present invention adopts an above semiconductor pump laser 11,12 ... an above semiconductor pump laser 11,12 ... the output direction of light can be parallel, it also can be different directions, can adopt optical fiber 4 that it is closed bundle, perhaps adopt light combination mirror 5 that it is closed bundle, close Shu Weiyi direction, light combination mirror 5 can place in the laser cavity 32 of back, also can place outside the laser cavity 31,32.
See also shown in Figure 6 again, end face by gain medium 311,321 and 331 plates chamber film S1, S2, S3, S4 and composes one, S1, S3 and gain medium 311 constitute independently laser cavity 31, S3, S4 and gain medium 321 constitute independently laser cavity 32, and S4, S2 and gain medium 331 constitute independently laser cavity 33.As gain medium 311 is the laser cavity 31 that Nd:YAG and S1, S3 constitute output 946nm laser, gain medium 321 is the laser cavity 32 that Nd:YVO4 and S3, S4 constitute output 1064nm laser, and gain medium 331 is the laser cavity 33 that constitutes output 1342nm laser with S4, S2.
Claims (9)
1, a kind of laser of multi-wavelength, comprise pumping source, optical coupling system, two groups or more laser cavity independently, pumping source comprises two or more pump lights, it is characterized in that: end pumping is adopted in pumping, two groups or more independently laser cavity by the front and back sequence arrangement, make two groups or more gain medium of pump light pumping simultaneously, the wavelength laser transmission of laser cavity output before back laser cavity should allow.
2, the laser of a kind of multi-wavelength according to claim 1 is characterized in that: its pumping source is a semiconductor pump laser, adopts one or more semiconductor pump lasers.
3, the laser of a kind of multi-wavelength according to claim 2 is characterized in that: an one above semiconductor pump laser output direction of light is parallel or different directions, adopts optical-fiber bundling, perhaps adopts light combination mirror to close bundle.
4, the laser of a kind of multi-wavelength according to claim 3 is characterized in that: its light combination mirror places in the outer or back laser cavity of laser cavity.
5, the laser of a kind of multi-wavelength according to claim 1 is characterized in that: its independent laser cavity comprises laser mirror or chamber film and gain medium, and gain medium is in plating chamber film on the face of laser cavity surface.
6, the laser of a kind of multi-wavelength according to claim 5 is characterized in that: also be provided with the optical element except that gain medium in its independent laser cavity.
7, the laser of a kind of multi-wavelength according to claim 1 is characterized in that: its optical element is frequency-doubling crystal, prism, polarizer, wave plate, laser mirror, the different wave length of transmission simultaneously.
8, a kind of laser of multi-wavelength according to claim 1 or 5, it is characterized in that: each element is discrete state or composes microplate in its independent laser cavity.
9, the laser of a kind of multi-wavelength according to claim 1 is characterized in that: its two groups or more independent laser cavity is passed through optical cement, the in-depth optical cement, or gummed is bonded to single integral body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100712744A CN101299509B (en) | 2008-06-25 | 2008-06-25 | Multi-wavelength laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100712744A CN101299509B (en) | 2008-06-25 | 2008-06-25 | Multi-wavelength laser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101299509A true CN101299509A (en) | 2008-11-05 |
| CN101299509B CN101299509B (en) | 2010-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100712744A Expired - Fee Related CN101299509B (en) | 2008-06-25 | 2008-06-25 | Multi-wavelength laser |
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| CN (1) | CN101299509B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104813550A (en) * | 2012-11-26 | 2015-07-29 | 三菱电机株式会社 | Laser apparatus |
| CN106207735A (en) * | 2016-08-23 | 2016-12-07 | 青岛镭创光电技术有限公司 | Two-color laser same light path system |
| CN106569331A (en) * | 2016-11-17 | 2017-04-19 | 上海无线电设备研究所 | Laser leading beacon optical system |
| CN108011289A (en) * | 2018-01-05 | 2018-05-08 | 青岛镭创光电技术有限公司 | Laser and laser system |
-
2008
- 2008-06-25 CN CN2008100712744A patent/CN101299509B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104813550A (en) * | 2012-11-26 | 2015-07-29 | 三菱电机株式会社 | Laser apparatus |
| CN106207735A (en) * | 2016-08-23 | 2016-12-07 | 青岛镭创光电技术有限公司 | Two-color laser same light path system |
| CN106569331A (en) * | 2016-11-17 | 2017-04-19 | 上海无线电设备研究所 | Laser leading beacon optical system |
| CN108011289A (en) * | 2018-01-05 | 2018-05-08 | 青岛镭创光电技术有限公司 | Laser and laser system |
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| Publication number | Publication date |
|---|---|
| CN101299509B (en) | 2010-11-03 |
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Granted publication date: 20101103 Termination date: 20170625 |