CN105044861B - A kind of method of double light path adjustment laser and fiber coupling - Google Patents
A kind of method of double light path adjustment laser and fiber coupling Download PDFInfo
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- CN105044861B CN105044861B CN201510488394.4A CN201510488394A CN105044861B CN 105044861 B CN105044861 B CN 105044861B CN 201510488394 A CN201510488394 A CN 201510488394A CN 105044861 B CN105044861 B CN 105044861B
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- laser
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- fiber coupling
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4206—Optical features
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a kind of double light path adjustment laser and the method for fiber coupling, including：1st, the power supply of the first photophore and the second photophore is connected, first photophore and the second photophore send the first instruction visible ray and the second visible instruction light respectively, first visible instruction light reaches optical fiber through laser, beam shaping, Transflective mirror, fiber coupling lens, and the second visible instruction light that the second photophore on vertical direction sends reaches optical fiber after being reflected through Transflective mirror through fiber coupling lens；2nd, the first photophore and laser coaxial are adjusted；3rd, the second photophore is adjusted, makes the second visible instruction light instruction light visible with first coaxial.Can accurately judge whether laser is coaxial with visible instruction light, it is to avoid amendment repeatedly, adjustment to visible ray and laser, save the time, reduce production cost.
Description
Technical field
The invention belongs to laser fiber-optic transmission technical field, more particularly to a kind of double light path adjustment laser and fiber coupling
Method.
Background technology
Laser fiber-optic transmission technology is that the laser power that laser is exported is imported into optical fiber it is transmitted in a fiber
A technology.The efficiency that laser is transmitted in a fiber is mainly by the numerical aperture of optical fiber（NA）, fiber size and laser light
Fine couple state quality determines.After optical fiber is selected, couple state just turns into determinant.
Existing laser with the mode of fiber coupling is adjusted by single light path device.It is visible in single light path device
Indicate light and laser coaxial and pass through laser.It can be seen that indicating the auxiliary of just laser adjustment to indicate light while being also laser
Reference during with fiber coupling indicates light.When fuel factor during due to laser works can cause visible instruction light to pass through laser
Produce refraction and destroy it is visible instruction light it is coaxial with laser, so needing to correct repeatedly, adjusting repeatedly, laser could be continued
Adjusted with fiber coupling.Its process is very complicated, can even do again from the beginning sometimes.
The content of the invention
Part, of the invention to provide a kind of double light path adjustment laser and fiber coupling in order to overcome the above-mentioned deficiencies of the prior art
Method, it can accurately judge whether laser coaxial with visible instruction light, it is to avoid to visible ray and laser repeatedly
Amendment, adjustment, save the time, reduce production cost.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of method of double light path adjustment laser and fiber coupling, including：
1st, the power supply of the first photophore and the second photophore is connected, the first photophore and the second photophore send first respectively
Visible ray and the second visible instruction light, the first visible instruction light is indicated to pass through laser, beam shaping, Transflective mirror, light
Fine coupled lens reach optical fiber, and the second visible instruction light that the second photophore on vertical direction sends is reflected through Transflective mirror
Afterwards optical fiber is reached through fiber coupling lens；
2nd, the first photophore and laser coaxial are adjusted；
3rd, the second photophore is adjusted, makes the second visible instruction light instruction light visible with first coaxial；
4th, first successive step coupled lens and fiber coupling adjustment frame, enter the first visible instruction light and the second visible instruction light
The angle for entering optical fiber reaches common standard state；
5th, laser, and the laser adjustment sent to laser are opened, makes laser instruction light visible with second coaxial；
6th, accurate adjustment is carried out to fiber coupling lens and fiber coupling adjustment frame, from the second visible instruction light in fiber-optic output
Light spot shape can learn the couple state of laser and optical fiber；
The device of a kind of double light path adjustment laser and fiber coupling, including the first photophore, fiber coupling lens, optical fiber
Coupling adjustment frame, the second photophore, Transflective mirror, first photophore are in the afterbody of laser, the head of laser
Transflective mirror, fiber coupling lens and fiber coupling adjustment frame are set gradually, is set on the vertical direction of the Transflective mirror
There is the second photophore, beam shaping is provided between laser and Transflective mirror.
The beneficial effects of the invention are as follows：The method uses simple, it is to avoid amendment repeatedly, tune to visible ray and laser
It is whole, the time is saved, reduce production cost.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Wherein：1. the first photophore, 2. the first visible instruction light, 3. laser, 4. laser, 5. beam shaping, 6. saturating
Speculum is penetrated, 7. the second photophore, 8. the second visible instruction light, 9. fiber coupling lens, 10. fiber coupling adjustment frame, 11. light
It is fine.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the invention will be further described.
A kind of double light path adjustment laser as shown in Figure 1 and the device of fiber coupling, including the first photophore 1, optical fiber
Coupled lens 9, fiber coupling adjustment frame 10, the second photophore 7, Transflective mirror 6, first photophore 1 are in laser 3
Afterbody, the head of laser 3 sets gradually Transflective mirror 6, fiber coupling lens 9 and fiber coupling adjustment frame 10, described
The vertical direction of Transflective mirror 6 is provided with the second photophore 7.Device uses simple, it is to avoid anti-with laser to visible ray
Multiple amendment, adjustment, save the time, reduce production cost.
Beam shaping 5 is provided between laser 3 and Transflective mirror 6.Beam shaping 5 can send to laser 3
Laser beam adjustment, make the collimation of laser more preferably, so the hot spot that is formed is smaller when the laser after shaping is in coupling,
Effect is more preferable.
A kind of method of double light path adjustment laser and fiber coupling, including：
1st, the power supply of the first photophore 1 and the second photophore 7 is connected, the first photophore 1 sends respectively with the second photophore 7
First indicates the visible instruction light 8 of visible ray 2 and second, the first visible instruction light 2 to pass through laser 3, beam shaping 5, transmission
Speculum 6, fiber coupling lens 9 reach optical fiber 11, the second visible instruction light 8 that the second photophore 5 on vertical direction sends
After being reflected through Transflective mirror 6 optical fiber 11 is reached through fiber coupling lens 9；
2nd, the first photophore and laser coaxial are adjusted；
3rd, the second photophore 7 is adjusted, makes the second visible instruction light 8 instruction light 2 visible with first coaxial；
4th, first successive step coupled lens 9 and fiber coupling adjustment frame 10, make the first visible instruction visible instruction of light 2 and second
Light 8 reaches standard state into the angle of optical fiber；
5th, laser 3 is opened, and the laser 4 that laser 3 sends is adjusted, make the instruction light 8 visible with second of laser 4 same
Axle；
6th, accurate adjustment is carried out to fiber coupling lens 9 and fiber coupling adjustment frame 10, from the second visible instruction light 8 in optical fiber 11
The light spot shape of output end can learn the couple state of laser 5 and optical fiber 11.Under normal circumstances, coupled after the coupled device of laser
Efficiency reaches 92%, and the coupling efficiency of powerful laser reaches 90%.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.
Claims (1)
1. a kind of method that double light path adjusts laser and fiber coupling, including：
1st, the power supply of the first photophore and the second photophore is connected, the first photophore and the second photophore send the first instruction respectively
Visible ray and the second visible instruction light, the first visible instruction light pass through laser, beam shaping, Transflective mirror, optical fiber coupling
Close lens and reach optical fiber, the second visible instruction light that the second photophore on vertical direction sends is worn after being reflected through Transflective mirror
Cross fiber coupling lens and reach optical fiber；
2nd, the first photophore and laser coaxial are adjusted；
3rd, the second photophore is adjusted, makes the first visible instruction light instruction light visible with second coaxial；
4th, first successive step coupled lens and fiber coupling adjustment frame, make the first visible instruction light and the second visible instruction light enter light
Fine angle reaches common standard state；
5th, laser, and the laser adjustment sent to laser are opened, makes laser instruction light visible with second coaxial；
6th, accurate adjustment is carried out to fiber coupling lens and fiber coupling adjustment frame, from the second visible light for indicating light in fiber-optic output
Shape of spot can learn the couple state of laser and optical fiber；
The double light path adjustment laser and the device of fiber coupling used in the method, including the first photophore, fiber coupling are saturating
Mirror, fiber coupling adjustment frame, the second photophore, Transflective mirror, first photophore are in the afterbody of laser, laser
Head set gradually Transflective mirror, fiber coupling lens and fiber coupling adjustment frame, the vertical side of the Transflective mirror
The second photophore is provided with upwards, beam shaping is provided between laser and Transflective mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510488394.4A CN105044861B (en) | 2015-08-11 | 2015-08-11 | A kind of method of double light path adjustment laser and fiber coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510488394.4A CN105044861B (en) | 2015-08-11 | 2015-08-11 | A kind of method of double light path adjustment laser and fiber coupling |
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| Publication Number | Publication Date |
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| CN105044861A CN105044861A (en) | 2015-11-11 |
| CN105044861B true CN105044861B (en) | 2017-06-20 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106291837B (en) * | 2016-03-11 | 2018-08-10 | 上海瑞柯恩激光技术有限公司 | Laser beam coupling detection debugging structure and detection adjustment method |
| CN108710450A (en) * | 2018-07-30 | 2018-10-26 | 合肥联宝信息技术有限公司 | A kind of infrared touch device |
| CN109217088B (en) * | 2018-10-09 | 2019-07-19 | 深圳市大德激光技术有限公司 | A kind of beam coupling system and beam coupling method for optical fiber laser |
| CN114236712B (en) * | 2021-12-20 | 2023-05-09 | 江苏永鼎光电子技术有限公司 | Device for adjusting coupling of laser and optical fiber by multiple optical paths |
| CN118299915B (en) * | 2024-06-04 | 2024-09-13 | 文皓(南京)科技有限责任公司 | Optical path adjusting device of excimer laser equipment |
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| CN101210806B (en) * | 2007-12-20 | 2010-04-21 | 哈尔滨工业大学 | measuring method of angle deviation along azimuth axis direction and pitching angle deviation of laser emission axis and mechanical base level normal based on secondary light source |
| JP2010080928A (en) * | 2008-09-01 | 2010-04-08 | Central Glass Co Ltd | Laser device |
| CN202554108U (en) * | 2012-05-02 | 2012-11-28 | 上海瑞柯恩激光技术有限公司 | Laser-indicating optical coupling device |
| CN204989552U (en) * | 2015-08-11 | 2016-01-20 | 武汉嘉铭激光有限公司 | Device of double -light -path adjustment laser and fiber optic coupling |
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