CN203983724U - Gain switch micro-slice laser - Google Patents
Gain switch micro-slice laser Download PDFInfo
- Publication number
- CN203983724U CN203983724U CN201420426820.2U CN201420426820U CN203983724U CN 203983724 U CN203983724 U CN 203983724U CN 201420426820 U CN201420426820 U CN 201420426820U CN 203983724 U CN203983724 U CN 203983724U
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- laser
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- beam splitter
- slice
- gain switch
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Abstract
The utility model relates to a kind of gain switch micro-slice laser, laser comprises laser diode (1), coupled lens (2), micro-slice laser (4), the first beam splitter (5), the second beam splitter (6), power meter (7), photodetector (8), oscilloscope (9) and spectrum analyzer (10), the light of described laser diode (1) transmitting is after coupled lens (2) and micro-slice laser (4), be divided into two-way via the first beam splitter (5), one tunnel is arrived photodetector (8) and is shown by oscilloscope (9), another road is divided into two-way again via the second beam splitter (6), one tunnel arrives power meter (7), another road arrives spectrum analyzer (10).Thereby the peak that Output of laser wavelength is adjusted to gain curve by the method for the gain switch micro-slice laser that the utility model provides by thermal tuning obtains single longitudinal mode, the high repetition frequency that obtains that single longitudinal mode solid state laser obtains.
Description
Technical field
Thereby the utility model relates to the peak that Output of laser wavelength is adjusted to gain curve by a kind of method by thermal tuning obtains the laser aid of single longitudinal mode, relates in particular to a kind of gain switch micro-slice laser, belongs to field of lasers.
Background technology
The advantages such as the pulse single longitudinal mode laser of laser diode (be called for short LD) pumping has that line width, peak power are high, good stability, volume are little, are mainly used in heterodyne detection and coherent imaging, range finding, test the speed and spectroscopy in have a lot of purposes.The non-flat annular unidirectional traveling wave of monolithic chamber method is a kind of technology of the laser realized single longitudinal mode running of function admirable, and now widely used passive Q-adjusted saturable absorption crystal is Cr
4+: YAG crystal, it has good saturable absorption effect within the scope of 300nm-1200nm, thereby changes by the light intensity in chamber the effect that regulates the variation of its transmitance to play Q switching.
Utility model content
In order to overcome the deficiencies in the prior art, resolve the problem of prior art, make up the deficiency of existing existing product in the market.
The utility model provides a kind of gain switch micro-slice laser, laser comprises laser diode, coupled lens, micro-slice laser, the first beam splitter, the second beam splitter, power meter, photodetector, oscilloscope and spectrum analyzer, the light of described laser diode transmitting is after coupled lens and micro-slice laser, be divided into two-way via the first beam splitter, one tunnel is arrived photodetector and is passed through oscilloscope display again, another road is divided into two-way again via the second beam splitter, one tunnel arrives power meter, and another road arrives spectrum analyzer.
Preferably, between above-mentioned laser diode and coupled lens, connect with optical fiber.
Preferably, between above-mentioned the second beam splitter and spectrum analyzer, connect with optical fiber.
Preferably, above-mentioned micro-slice laser is fixed on copper pedestal.
Preferably, above-mentioned copper pedestal outer setting has semiconductor cooler.
Preferably, above-mentioned laser diode is connected with driver.
Thereby the peak that Output of laser wavelength is adjusted to gain curve by the method for the gain switch micro-slice laser that the utility model provides by thermal tuning obtains single longitudinal mode, the high repetition frequency that obtains that single longitudinal mode solid state laser obtains.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Reference numeral: 1-laser diode; 2-coupled lens; 3-copper pedestal; 4-micro-slice laser; 5-the first beam splitter; 6-the second beam splitter; 7-power meter; 8-photodetector; 9-oscilloscope; 10-spectrum analyzer; 11-driver; 12-semiconductor cooler; 13-optical fiber.
Embodiment
Understand and implement the utility model for the ease of those of ordinary skill in the art, below in conjunction with the drawings and the specific embodiments, the utility model being described in further detail.
The gain switch micro-slice laser that the utility model provides, comprise laser diode 1, coupled lens 2, micro-slice laser 4, the first beam splitter 5, the second beam splitter 6, power meter 7, photodetector 8, oscilloscope 9 and spectrum analyzer 10, the light that described laser diode 1 is launched is after coupled lens 2 and micro-slice laser 4, be divided into two-way via the first beam splitter 5, one tunnel is arrived photodetector 8 and is shown by oscilloscope 9, another road is divided into two-way again via the second beam splitter 6, one tunnel arrives power meter 7, and another road arrives spectrum analyzer 10.
As shown in Figure 1, between laser diode 1 and coupled lens 2, connect with optical fiber 13.Between the second beam splitter 6 and spectrum analyzer 10, connect with optical fiber 13.
In addition, micro-slice laser 4 is fixed on copper pedestal 3, and copper pedestal 3 outer setting have semiconductor cooler 12.Laser diode 1 is connected with driver 11.
The utility model adopts the long Nd:YAG thin slice microcavity of gain switch type 1mm, the single longitudinal mode laser output that to obtain repetition rate be 1MHz, and pulsewidth is 32ns, is the high repetition frequency that single longitudinal mode solid state laser obtains.Thereby the peak that Output of laser wavelength is adjusted to gain curve by the method for thermal tuning obtains single longitudinal mode.
The embodiment of the above is preferred embodiments of the present utility model; not limit concrete practical range of the present utility model with this; scope of the present utility model comprises and is not limited to this embodiment, and the equivalence that all shapes according to the utility model, structure are done changes all in protection range of the present utility model.
Claims (6)
1. a gain switch micro-slice laser, it is characterized in that: described laser comprises laser diode (1), coupled lens (2), micro-slice laser (4), the first beam splitter (5), the second beam splitter (6), power meter (7), photodetector (8), oscilloscope (9) and spectrum analyzer (10), the light of described laser diode (1) transmitting is after coupled lens (2) and micro-slice laser (4), be divided into two-way via the first beam splitter (5), one tunnel is arrived photodetector (8) and is shown by oscilloscope (9), another road is divided into two-way again via the second beam splitter (6), one tunnel arrives power meter (7), another road arrives spectrum analyzer (10).
2. gain switch micro-slice laser according to claim 1, is characterized in that: between described laser diode (1) and coupled lens (2), connect with optical fiber (13).
3. gain switch micro-slice laser according to claim 1, is characterized in that: between described the second beam splitter (6) and spectrum analyzer (10), connect with optical fiber (13).
4. gain switch micro-slice laser according to claim 1, is characterized in that: described micro-slice laser (4) is fixed on copper pedestal (3).
5. gain switch micro-slice laser according to claim 4, is characterized in that: described copper pedestal (3) outer setting has semiconductor cooler (12).
6. according to the gain switch micro-slice laser one of claim 1-5 Suo Shu, it is characterized in that: described laser diode (1) is connected with driver (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420426820.2U CN203983724U (en) | 2014-07-28 | 2014-07-28 | Gain switch micro-slice laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420426820.2U CN203983724U (en) | 2014-07-28 | 2014-07-28 | Gain switch micro-slice laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203983724U true CN203983724U (en) | 2014-12-03 |
Family
ID=51981141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420426820.2U Expired - Fee Related CN203983724U (en) | 2014-07-28 | 2014-07-28 | Gain switch micro-slice laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203983724U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143756A (en) * | 2014-07-28 | 2014-11-12 | 奉化市宇创产品设计有限公司 | Microchip laser of gain switch |
| CN111092361A (en) * | 2019-12-06 | 2020-05-01 | 华东师范大学重庆研究院 | Optical comb time-frequency intelligent control method and system |
-
2014
- 2014-07-28 CN CN201420426820.2U patent/CN203983724U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143756A (en) * | 2014-07-28 | 2014-11-12 | 奉化市宇创产品设计有限公司 | Microchip laser of gain switch |
| CN111092361A (en) * | 2019-12-06 | 2020-05-01 | 华东师范大学重庆研究院 | Optical comb time-frequency intelligent control method and system |
| CN111092361B (en) * | 2019-12-06 | 2021-04-06 | 华东师范大学重庆研究院 | Optical comb time-frequency intelligent control method and system |
| US11664635B2 (en) | 2019-12-06 | 2023-05-30 | Chongqing Institute Of East China Normal University | Time and frequency method and system for optical comb |
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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: 20141203 Termination date: 20150728 |
|
| EXPY | Termination of patent right or utility model |