CN203521888U - Amplification structure for laser device - Google Patents
Amplification structure for laser device Download PDFInfo
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- CN203521888U CN203521888U CN201320516034.7U CN201320516034U CN203521888U CN 203521888 U CN203521888 U CN 203521888U CN 201320516034 U CN201320516034 U CN 201320516034U CN 203521888 U CN203521888 U CN 203521888U
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- laser
- gain medium
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- spectroscope
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Abstract
The utility model discloses an amplification structure for a laser device. The amplification structure is characterized by comprising a clamp, an LD (laser diode) array and collimation optical fibres, wherein n light splitters are fixedly placed in the clamp in sequence, and n is greater than or equal to 2; a laser gain medium with two end surfaces which are glueless or glued with quartz is fixed between the adjacent light splitters; the collimation optical fibres are connected to the surface close to the laser gain medium, of the first light splitter; the collimation optical fibres are connected to the both sides of each of the second light splitter to the nth light splitter; the other end of each of the collimation optical fibres is in one-to-one correspondence with the LD light sources of the LD array; the light splitter is used for highly reflecting a pump light and the laser generated by the laser gain medium; the second light splitter to the nth light splitter are used for highly reflecting the pump light and improving the permeability of the laser generated by the laser gain medium. According to the amplification structure disclosed by the utility model, ASE (amplified spontaneous emission) light source or laser amplification is finally obtained by using the pump light generated by each LD light source for pumping the laser gain medium after optical fibre collimation; moreover, the amplification structure has the advantages of being simple in structure, convenient to use, and the like.
Description
Technical field
The utility model relates to laser field, relates in particular to a kind of laser structure for amplifying.
Background technology
(ASE) amplified in spontaneous radiation is a kind of non-oscillatory stimulated radiation amplification process, is a kind of transition state between laser and fluorescence.(ASE) light source is amplified in the spontaneous radiation of rare-earth doped optical fibre, and owing to having, transmitting spectrum width, power output are high, flat gain, fiber lengths are short, advantages of simple structure and simple, have obtained research widely.But traditional quartz optical fiber, because the unevenness of its ASE spectrum causes effective line width narrower, must just can obtain effective wideband A SE light source by some processing means, but these processing methods unavoidably causes mechanism complicated.
Utility model content
In order to overcome the problems referred to above, the utility model proposes a kind of simple in structure, undersized laser structure for amplifying.
In order to achieve the above object, the technical scheme that the utility model proposes is: a kind of laser structure for amplifying, it is characterized in that, comprise a fixture, LD array, collimating optical fibre, in described fixture, fixed placement has n spectroscope successively, n is more than or equal to 2, between adjacent spectroscope, be fixed with two end face optical cements or gummed and have quartzy gain medium, wherein, on the face of first spectroscope near gain medium, be connected with collimating optical fibre, on the 2nd to n spectroscope, both sides all connect collimating optical fibre, the described collimating optical fibre other end is corresponding one by one with the LD light source of LD array, first described spectroscope is high anti-to the laser of pump light and gain medium generation, the 2nd to n described spectroscope is high anti-to pump light, the laser that gain medium is produced is anti-reflection.
Further, described gain medium is Nd:YVO4 crystal or Nd:YAG crystal.
Further, described fixture is placed in the cooling water that flows, and described LD array is located at cooling water outside.
Adopt technique scheme, the beneficial effect that laser structure for amplifying described in the utility model has is that the pump light pumping laser gain media after fiber optic collimator producing by each LD light source, finally obtains ASE light source or laser amplifier, and there is the advantages such as simple in structure, easy to use.
Accompanying drawing explanation
Fig. 1 is laser structure for amplifying structure chart described in the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1,101 is LD array, 102 is for collimating the collimating optical fibre of LD light source, 1031,1032 ... 103n is spectroscope, 1041,1042 ... 104n is that gain medium is as Nd:YVO4 crystal or Nd:YAG crystal, and it is quartzy 105 that the equal optical cement of two end face or gummed have, spectroscope and gain medium successively fixed placement, on fixture 106, and are placed in mobile cooling water 107.Wherein 1.064 μ m laser of 1031 pairs of pump lights of spectroscope and generation are high anti-; And spectroscope 1032 ... 103n is high anti-to pump light, anti-reflection to the 1.064 μ m laser that produce.So, pump light pumping laser gain media after fiber optic collimator that each LD light source produces, finally obtains ASE light source or amplifier.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but those skilled in the art should be understood that; within not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection range of the present utility model.
Claims (4)
1. a laser structure for amplifying, it is characterized in that, comprise a fixture, LD array, collimating optical fibre, in described fixture, fixed placement has n spectroscope successively, n is more than or equal to 2, between adjacent spectroscope, be fixed with two end face optical cements or gummed and have quartzy gain medium, wherein, on the face of first spectroscope near gain medium, be connected with collimating optical fibre, on the 2nd to n spectroscope, both sides all connect collimating optical fibre, the described collimating optical fibre other end is corresponding one by one with the LD light source of LD array, first described spectroscope is high anti-to the laser of pump light and gain medium generation, the 2nd to n described spectroscope is high anti-to pump light, the laser that gain medium is produced is anti-reflection.
2. a kind of laser structure for amplifying according to claim 1, is characterized in that, described gain medium is Nd:YVO4 crystal.
3. a kind of laser structure for amplifying according to claim 1, is characterized in that, described gain medium is Nd:YAG crystal.
4. a kind of laser structure for amplifying according to claim 1, is characterized in that, described fixture is placed in the cooling water that flows, and described LD array is located at cooling water outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320516034.7U CN203521888U (en) | 2013-08-23 | 2013-08-23 | Amplification structure for laser device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320516034.7U CN203521888U (en) | 2013-08-23 | 2013-08-23 | Amplification structure for laser device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203521888U true CN203521888U (en) | 2014-04-02 |
Family
ID=50380763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320516034.7U Expired - Fee Related CN203521888U (en) | 2013-08-23 | 2013-08-23 | Amplification structure for laser device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203521888U (en) |
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2013
- 2013-08-23 CN CN201320516034.7U patent/CN203521888U/en not_active Expired - Fee Related
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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: 20140402 Termination date: 20140823 |
|
| EXPY | Termination of patent right or utility model |