CN105044861A - Device and method for coupling dual-optical-path adjustment laser and optical fiber - Google Patents
Device and method for coupling dual-optical-path adjustment laser and optical fiber Download PDFInfo
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- CN105044861A CN105044861A CN201510488394.4A CN201510488394A CN105044861A CN 105044861 A CN105044861 A CN 105044861A CN 201510488394 A CN201510488394 A CN 201510488394A CN 105044861 A CN105044861 A CN 105044861A
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- fiber
- laser
- illuminator
- coupling
- optical fiber
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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 device and a method for coupling dual-optical-path adjustment laser and an optical fiber, belonging to the laser optical fiber transmission technology field. The device for coupling dual-optical-path adjustment laser and the optical fiber comprises a first light-emitting device, an optical fiber coupling lens, an optical fiber coupling adjustment rack, a second light emitting device, and a transmission reflection lens; the first light-emitting device is arranged at the tail part of the laser device; the transmission reflection lens, the optical fiber coupling lens and the optical fiber adjustment rack are successively arranged on the head of the laser device; and the second light emission device is vertically arranged on the transmission reflection lens. The device disclosed by the invention is easy in use, prevents the repeated correction and adjustment on the visible light and the laser device, saves time and reduces the production cost.
Description
Technical field
The invention belongs to laser fiber-optic transmission technical field, particularly relate to the devices and methods therefor of a kind of double light path adjustment laser and coupling fiber.
Background technology
Laser fiber-optic transmission technology is that the laser power that laser instrument exports is imported in optical fiber the technology making it transmit in a fiber.The efficiency that laser transmits in a fiber is mainly determined by the numerical aperture (NA) of optical fiber, fiber size and laser fiber couple state quality.After optical fiber is selected, couple state just becomes determinative.
The mode of existing laser instrument and coupling fiber is adjusted by single light path device.In single light path device, visible pilot light and laser coaxial are also through laser instrument.Reference pilot light when visible pilot light to be the auxiliary pilot light of laser instrument adjustment be also simultaneously laser and coupling fiber.Because thermal effect during laser works can cause visible pilot light to destroy the coaxial of visible pilot light and laser through producing refraction during laser instrument, repeatedly adjusting so need repeatedly to revise, laser could be continued and coupling fiber adjusts.Its process is very complicated, sometimes even can do again from the beginning.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art part, this invention provides a kind of double light path to adjust the devices and methods therefor of laser and coupling fiber, it can judge that whether laser is coaxial with visible pilot light accurately, avoid the correction repeatedly to visible ray and laser instrument, adjustment, save time, reduce production cost.
For achieving the above object, the present invention adopts following technical scheme: the device of a kind of double light path adjustment laser instrument and coupling fiber, comprise the first illuminator, fiber coupling lens, coupling fiber adjustment rack, the second illuminator, Transflective mirror, described first illuminator is in the afterbody of laser instrument, the head of laser instrument sets gradually Transflective mirror, fiber coupling lens and coupling fiber adjustment rack, and the vertical direction of described Transflective mirror is provided with the second illuminator.
In technique scheme, between laser instrument and Transflective mirror, be provided with beam shaping.
Adjust a method for the device of laser and coupling fiber with described double light path, comprising:
1, the power supply of the first illuminator and the second illuminator is connected, first illuminator and the second illuminator send the first instruction visible ray and the second visible pilot light respectively, first visible pilot light reaches optical fiber through laser instrument, beam shaping, Transflective mirror, fiber coupling lens, and the second visible pilot light that the second illuminator on vertical direction sends reaches optical fiber through fiber coupling lens after the refraction of Transflective mirror;
2, the first illuminator and laser coaxial is adjusted;
3, adjust the second illuminator, make the second visible pilot light coaxial with the first visible pilot light;
4, preliminary adjustment coupled lens and coupling fiber adjustment rack, the angle making the first visible pilot light and the second visible pilot light enter optical fiber reaches common standard state;
5, open laser instrument, and to the laser adjustment that laser instrument sends, make laser coaxial with the second visible pilot light;
6, accurate adjustment is carried out to fiber coupling lens and coupling fiber adjustment rack, the couple state of laser and optical fiber can be learnt from the second visible pilot light at the light spot shape of fiber-optic output.
The invention has the beneficial effects as follows: this device uses simple, avoid the correction repeatedly to visible ray and laser instrument, adjustment, save time, reduce production cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein: 1. the first illuminator, 2. the first visible pilot light, 3. laser instrument, 4. laser, 5. beam shaping, 6. Transflective mirror, 7. the second illuminator, 8. the second visible pilot light, 9. fiber coupling lens, 10. coupling fiber adjustment rack, 11. optical fiber.
Embodiment
Below in conjunction with drawings and the specific embodiments, the invention will be further described.
A kind of double light path adjustment laser instrument as shown in Figure 1 and the device of coupling fiber, comprise the first illuminator 1, fiber coupling lens 9, coupling fiber adjustment rack 10, second illuminator 7, Transflective mirror 6, described first illuminator 1 is in the afterbody of laser instrument 3, the head of laser instrument 3 sets gradually Transflective mirror 6, fiber coupling lens 9 and coupling fiber adjustment rack 10, and the vertical direction of described Transflective mirror 6 is provided with the second illuminator 7.Device uses simple, avoids the correction repeatedly to visible ray and laser instrument, adjustment, saves time, reduce production cost.
In technique scheme, between laser instrument 3 and Transflective mirror 6, be provided with beam shaping 5.The laser beam adjustment that beam shaping 5 can send laser instrument 3, make the collimation of laser better, the hot spot that the laser like this after shaping is formed when being coupled is less, better effects if.
Adjust a method for the device of laser and coupling fiber with described double light path, comprising:
1, the power supply of the first illuminator 1 and the second illuminator 7 is connected, first illuminator 1 and the second illuminator 7 send the first instruction visible ray 2 and the second visible pilot light 8 respectively, first visible pilot light 2 reaches optical fiber 11 through laser instrument 3, beam shaping 5, Transflective mirror 6, fiber coupling lens 9, and the second visible pilot light 8 that the second illuminator 5 on vertical direction sends reaches optical fiber 11 through fiber coupling lens 9 after Transflective mirror 6 reflects;
2, the first illuminator and laser coaxial is adjusted;
3, adjust the second illuminator 7, make the second visible pilot light 8 coaxial with the first visible pilot light 2;
4, preliminary adjustment coupled lens 9 and coupling fiber adjustment rack 10, the angle making the first visible pilot light 2 and the second visible pilot light 8 enter optical fiber reaches standard state;
5, open laser instrument 3, and the laser 4 that laser instrument 3 sends is adjusted, make laser 4 coaxial with the second visible pilot light 8;
6, accurate adjustment is carried out to fiber coupling lens 9 and coupling fiber adjustment rack 10, the couple state of laser 5 and optical fiber 11 can be learnt from the second visible pilot light 8 at the light spot shape of optical fiber 11 output terminal.Under normal circumstances, laser coupling efficiency after coupling device reaches 92%, and the coupling efficiency of powerful laser instrument reaches 90%.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (3)
1. the device of a double light path adjustment laser instrument and coupling fiber, it is characterized in that: comprise the first illuminator, fiber coupling lens, coupling fiber adjustment rack, the second illuminator, Transflective mirror, described first illuminator is in the afterbody of laser instrument, the head of laser instrument sets gradually Transflective mirror, fiber coupling lens and coupling fiber adjustment rack, and the vertical direction of described Transflective mirror is provided with the second illuminator.
2. the device of a kind of double light path adjustment laser instrument according to claim 1 and coupling light, is characterized in that: be provided with beam shaping between laser instrument and Transflective mirror.
3. a using method for the device of described double light path adjustment laser and coupling fiber, comprising:
1) power supply of the first illuminator and the second illuminator, is connected, first illuminator and the second illuminator send the first instruction visible ray and the second visible pilot light respectively, first visible pilot light reaches optical fiber through laser instrument, beam shaping, Transflective mirror, fiber coupling lens, and the second visible pilot light that the second illuminator on vertical direction sends reaches optical fiber through fiber coupling lens after the refraction of Transflective mirror;
2) the first illuminator and laser coaxial, is adjusted;
3), adjust the second illuminator, make the first visible pilot light coaxial with the second visible pilot light;
4), tentatively adjust coupled lens and coupling fiber adjustment rack, the angle making the first visible pilot light and the second visible pilot light enter optical fiber reaches common standard state;
5), open laser instrument, and to the laser adjustment that laser instrument sends, make laser coaxial with the second visible pilot light;
6), to fiber coupling lens and coupling fiber adjustment rack carry out accurate adjustment, the couple state of laser and optical fiber can be learnt from the second visible pilot light at the light spot shape of fiber-optic output.
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 |
Publications (2)
| Publication Number | Publication Date |
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| CN105044861A true CN105044861A (en) | 2015-11-11 |
| CN105044861B CN105044861B (en) | 2017-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510488394.4A Active 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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291837A (en) * | 2016-03-11 | 2017-01-04 | 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 |
| CN109217088A (en) * | 2018-10-09 | 2019-01-15 | 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 |
| CN114236712A (en) * | 2021-12-20 | 2022-03-25 | 江苏永鼎光电子技术有限公司 | Device for coupling multi-light-path adjusting laser and optical fiber |
| CN118299915A (en) * | 2024-06-04 | 2024-07-05 | 文皓(武汉)科技有限责任公司 | Optical path adjusting device of excimer laser equipment |
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| CN101210806A (en) * | 2007-12-20 | 2008-07-02 | 哈尔滨工业大学 | Laser emission axis and mechanical base level coaxiality measuring method 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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2015
- 2015-08-11 CN CN201510488394.4A patent/CN105044861B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101210806A (en) * | 2007-12-20 | 2008-07-02 | 哈尔滨工业大学 | Laser emission axis and mechanical base level coaxiality measuring method 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 |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291837A (en) * | 2016-03-11 | 2017-01-04 | 上海瑞柯恩激光技术有限公司 | Laser beam coupling detection debugging structure and detection adjustment method |
| 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 |
| CN109217088A (en) * | 2018-10-09 | 2019-01-15 | 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 |
| 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 |
| CN114236712A (en) * | 2021-12-20 | 2022-03-25 | 江苏永鼎光电子技术有限公司 | Device for coupling multi-light-path adjusting laser and optical fiber |
| 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 |
| CN118299915A (en) * | 2024-06-04 | 2024-07-05 | 文皓(武汉)科技有限责任公司 | Optical path adjusting device of excimer laser equipment |
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| Publication number | Publication date |
|---|---|
| CN105044861B (en) | 2017-06-20 |
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