CN203423369U - High-power laser based on fiber optic splitter end pumping - Google Patents
High-power laser based on fiber optic splitter end pumping Download PDFInfo
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- CN203423369U CN203423369U CN201320492402.9U CN201320492402U CN203423369U CN 203423369 U CN203423369 U CN 203423369U CN 201320492402 U CN201320492402 U CN 201320492402U CN 203423369 U CN203423369 U CN 203423369U
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Abstract
The utility model discloses a high-power laser based on fiber-splitting end pumping. The laser comprises a control power supply, a first diode laser, a second diode laser, a first fiber optic splitter, a second fiber optic splitter, a first laser crystal, a second laser crystal, a third laser crystal, a fourth laser crystal and a plurality of laser lenses. The control power supply is electrically connected with the first diode laser and the second diode laser. The first diode laser is connected with the first laser crystal and the second laser crystal through the first fiber optic splitter. The second diode laser is connected with the third laser crystal and the fourth laser crystal through the second fiber optic splitter. Four light beams emitted by the four laser crystals are merged into one light beam by the reflection of the laser lenses. According to the utility model, a pumping light source is split to reduce the cost, and multiple laser crystals are subjected to pumping separately, thereby dispersing the heating source and achieving high-power stable output.
Description
Technical field
The utility model relates to field of lasers, relates in particular to a kind of high power laser based on splitting optical fiber end pumping.
Background technology
End-pumped laser advantage is that zlasing mode is outstanding, and peak power is high, is widely used in industrial processes field.But be generally difficult to accomplish high power.Mainly be that high power pump photo-thermal amount is too concentrated, the laser crystal bad meeting of dispelling the heat causes crystal cleavage.The mode of two laser crystals of current common use, two coupling fiber pump light sources.But because two coupling fiber light source costs are high, be unfavorable for industrialized mass production.
Utility model content
For the weak point existing in above-mentioned technology, the utility model provide one utilize a plurality of laser crystals respectively the mode of pumping disperse the high power laser of pyrotoxin.
For achieving the above object, the utility model discloses a kind of high power laser based on splitting optical fiber end pumping, comprises and controls power supply, the first diode laser, the second diode laser, the first splitting optical fiber, the second splitting optical fiber, the first laser crystal, the second laser crystal, the 3rd laser crystal, the 4th laser crystal and a plurality of laser lens; Described control power supply is electrically connected to the first diode laser and the second diode laser;
Described the first splitting optical fiber is provided with the first entrance point, first port of export and second port of export, and described the first entrance point is connected with the first diode laser, and first port of export is connected with the first laser crystal, and second port of export is connected with the second laser crystal; Described the second splitting optical fiber is provided with the second entrance point, the 3rd port of export and the 4th port of export, and described the second entrance point is connected with the second diode laser, and the 3rd port of export is connected with the 3rd laser crystal, and the 4th port of export is connected with the 4th laser crystal;
In the light path of the four bundle light that penetrate at the first laser crystal, the second laser crystal, the 3rd laser crystal and the 4th laser crystal, be provided with a plurality of laser lens, four bundle light are merged into light beam through the reflection of a plurality of laser lens.
Wherein, the maximum power of described the first diode laser and the second diode laser is 60W.
Wherein, described the first diode laser and the second diode laser send that to swash light wavelength be 808nm.
The beneficial effects of the utility model are: compared with prior art, the disclosed high power laser based on splitting optical fiber end pumping of the utility model, minute light action through the first splitting optical fiber and the second splitting optical fiber, the two bundle high power lasers that send from the first diode laser and the second diode laser, be divided into four bundle low-power lasers, and respectively by the first laser crystal, the second laser crystal, the 3rd laser crystal and the 4th laser crystal.High power laser based on splitting optical fiber end pumping of the present utility model, by pump light source is carried out to light splitting, greatly reduces cost; Utilize a plurality of laser crystals mode of pumping respectively, disperse pyrotoxin, realize high-power stable output.
Accompanying drawing explanation
Fig. 1 is the structure chart of the high power laser based on splitting optical fiber end pumping of the present utility model.
Main element symbol description is as follows:
11, the first diode laser 12, the second diode laser
13, the first splitting optical fiber 131, the first entrance point
132, first port of export 133, second port of export
14, the second splitting optical fiber 141, the second entrance point
142, the 3rd port of export 143, the 4th port of export
15, the first laser crystal 16, the second laser crystal
17, the 3rd laser crystal 18, the 4th laser crystal
19, laser lens
Embodiment
In order more clearly to explain the utility model, below in conjunction with accompanying drawing, the utility model is further described.
Refer to Fig. 1, the disclosed high power laser based on splitting optical fiber end pumping of the utility model, comprises and controls power supply (not shown), the first diode laser 11, the second diode laser 12, the first splitting optical fiber 13, the second splitting optical fiber 14, the first laser crystal 15, the second laser crystal 16, the 3rd laser crystal 17, the 4th laser crystal 18 and a plurality of laser lens 19; Controlling power supply (not shown) is electrically connected to the first diode laser 11 and the second diode laser 12; The first splitting optical fiber 13 is provided with the first entrance point 131, first port of export 132 and second port of export 133, the first entrance point 131 is connected with the first diode laser 11, first port of export 132 is connected with the first laser crystal 15, and second port of export 133 is connected with the second laser crystal 16; The second splitting optical fiber 14 is provided with the second entrance point 141, the 3rd port of export 142 and the 4th port of export 143, the second entrance point 141 is connected with the second diode laser 12, the 3rd port of export 142 is connected with the 3rd laser crystal 17, and the 4th port of export 143 is connected with the 4th laser crystal 18; In the light path of the four bundle light that penetrate at the first laser crystal 15, the second laser crystal 16, the 3rd laser crystal 17 and the 4th laser crystal 18, be provided with a plurality of laser lens 19, four bundle light and be merged into light beam through the reflection of a plurality of laser lens 19.
Compared to prior art, the disclosed high power laser based on splitting optical fiber end pumping of the utility model, minute light action through the first splitting optical fiber 13 and the second splitting optical fiber 14, the two bundle high power lasers that send from the first diode laser 11 and the second diode laser 12, be divided into four bundle low-power lasers, and respectively by the first laser crystal 15, the second laser crystal 16, the 3rd laser crystal 17 and the 4th laser crystal 18.High power laser based on splitting optical fiber end pumping of the present utility model, by pump light source is carried out to light splitting, greatly reduces cost.Utilize a plurality of laser crystals mode of pumping respectively, disperse pyrotoxin, realize high-power stable output.High power laser based on splitting optical fiber end pumping of the present utility model, the laser power stability of output, spread heat, laser crystal is not fragile.
The disclosed high power laser based on splitting optical fiber end pumping of the utility model, the maximum power of the first diode laser 11 and the second diode laser 12 is 60W.It is 808nm that the first diode laser 11 and the second diode laser 12 send sharp light wavelength.Certainly this is only a specific embodiment of the present utility model, and the power of the first diode laser 11 of the present utility model and the second diode laser 12 and send and swash light wavelength and be not limited in this can be also other numerical value.
Disclosed is above only several specific embodiment of the present utility model, but the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection range of the present utility model.
Claims (3)
1. the high power laser based on splitting optical fiber end pumping, it is characterized in that, comprise and control power supply, the first diode laser, the second diode laser, the first splitting optical fiber, the second splitting optical fiber, the first laser crystal, the second laser crystal, the 3rd laser crystal, the 4th laser crystal and a plurality of laser lens; Described control power supply is electrically connected to the first diode laser and the second diode laser;
Described the first splitting optical fiber is provided with the first entrance point, first port of export and second port of export, and described the first entrance point is connected with the first diode laser, and first port of export is connected with the first laser crystal, and second port of export is connected with the second laser crystal; Described the second splitting optical fiber is provided with the second entrance point, the 3rd port of export and the 4th port of export, and described the second entrance point is connected with the second diode laser, and the 3rd port of export is connected with the 3rd laser crystal, and the 4th port of export is connected with the 4th laser crystal;
In the light path of the four bundle light that penetrate at the first laser crystal, the second laser crystal, the 3rd laser crystal and the 4th laser crystal, be provided with a plurality of laser lens, four bundle light are merged into light beam through the reflection of a plurality of laser lens.
2. the high power laser based on splitting optical fiber end pumping according to claim 1, is characterized in that, the maximum power of described the first diode laser and the second diode laser is 60W.
3. the high power laser based on splitting optical fiber end pumping according to claim 1, is characterized in that, it is 808nm that described the first diode laser and the second diode laser send sharp light wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492402.9U CN203423369U (en) | 2013-08-13 | 2013-08-13 | High-power laser based on fiber optic splitter end pumping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492402.9U CN203423369U (en) | 2013-08-13 | 2013-08-13 | High-power laser based on fiber optic splitter end pumping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203423369U true CN203423369U (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320492402.9U Expired - Fee Related CN203423369U (en) | 2013-08-13 | 2013-08-13 | High-power laser based on fiber optic splitter end pumping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203423369U (en) |
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2013
- 2013-08-13 CN CN201320492402.9U patent/CN203423369U/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: 20140205 Termination date: 20160813 |
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| CF01 | Termination of patent right due to non-payment of annual fee |