CN105720462A - Multi-circuit coupling laser - Google Patents
Multi-circuit coupling laser Download PDFInfo
- Publication number
- CN105720462A CN105720462A CN201610299872.1A CN201610299872A CN105720462A CN 105720462 A CN105720462 A CN 105720462A CN 201610299872 A CN201610299872 A CN 201610299872A CN 105720462 A CN105720462 A CN 105720462A
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- CN
- China
- Prior art keywords
- laser
- base
- mirror
- reflecting mirror
- condenser lens
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Semiconductor Lasers (AREA)
Abstract
The invention discloses a multi-circuit coupling laser. The multi-circuit coupling laser comprises a shell, a laser module, a reflector, a focusing lens and an optical fiber connector, wherein the shell comprises a base and an upper cover, and the upper cover is arranged at the upper end of the base; a closed cavity is formed between the upper cover and the base, and the laser module, the reflector and the focusing lens are separately arranged in the closed cavity; the laser module comprises a laser diode, a collimating lens and a heat sink, and the laser diode is fixedly installed on the base by virtue of the heat sink; the collimating lens is arranged at the laser emitting end of the laser diode; the reflector is arranged at the upper end of the collimating lens by virtue of a reflector support, and a reflecting surface of the reflector is arranged obliquely to form an angle with the reflector support; and the focusing lens is arranged on the base by virtue of a focusing lens seat. The multi-circuit coupling laser adopts multiple laser paths to combine and couple the laser, so that when in combining, the coupling efficiency is greatly improved, the structure is more compact, the heat radiation performance is better, and the stability is also improved; and the practicability is high, and the multi-circuit coupling laser is easy to popularize and use.
Description
Technical field
The present invention relates to field of laser device technology, be specially a kind of multichannel coupled laser.
Background technology
Laser instrument is a kind of device that can launch laser;Dividing by working media, laser instrument can be divided into gas laser, solid state laser, semiconductor laser and the big class of dye laser 4.Recently there have been developed free electron laser, high power laser is generally all pulsed output.
Existing technology is to be all undertaken closing bundle coupling by one-dimensional monochromatic light road;Simple to operate, but low closing bundle coupling efficiency, and poor stability, the existing defects such as weak heat-dissipating, these problems are likely to whole system is caused fatal harm, use and have limitation.
Summary of the invention
It is an object of the invention to provide a kind of multichannel coupled laser, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: a kind of multichannel coupled laser, including shell, laser module, reflecting mirror, condenser lens and fibre-optical splice;Described shell includes base and upper cover, and upper cover is arranged on base upper end;Form closed cavity between described upper cover and base, and laser module, reflecting mirror and condenser lens are separately positioned in closed cavity;Described laser module includes laser diode, collimating lens and heat sink, and laser diode is fixedly mounted on base by heat sink;Described collimating lens is arranged on the Laser emission end of laser diode;Described reflecting mirror is arranged on collimating lens upper end by mirror support, and between the reflecting surface of reflecting mirror and mirror support, inclined angle is arranged;Described condenser lens is arranged on base by condenser lens seat;Described fibre-optical splice is arranged on base side.
As the further technical scheme of the present invention, described mirror support is compound mirror support.
As the further technical scheme of the present invention, described laser module is provided with number row, and is uniformly distributed in X-direction on base.
As the further technical scheme of the present invention, coupling head quantity is consistent with the row of condenser lens quantity and laser instrument.
As the further technical scheme of the present invention, described collimating lens is the one in coquille, aspherical mirror or cylindrical mirror.
As the further technical scheme of the present invention, described reflecting mirror is corner cube prism or plane mirror;Reflecting mirror is placed on each step surface of mirror support.
Compared with prior art, the invention has the beneficial effects as follows: multichannel coupled laser of the present invention, it adopts multi-stripe laser path to close bundle coupling so that it is when closing bundle, coupling efficiency is greatly improved, and meanwhile, improves its stability;Laser diode is fixedly mounted on base by heat sink;Heat conducts downwards so that it is radiating efficiency is greatly improved, and improves the service life of laser diode;Simple to operate, practical, it is easy to promote the use of.
Accompanying drawing explanation
Fig. 1 is the light path schematic diagram of the present invention;
Fig. 2 is the overall structure schematic diagram of the present invention;
Fig. 3 is the laser die set structure schematic diagram of the present invention;
Fig. 4 is mirror support and the mirror structure schematic diagram of the present invention;
In figure: 1-shell, 2-laser module, 3-reflecting mirror, 4-condenser lens, 5-fibre-optical splice, 6-base, 7-upper cover, 8-laser diode, 9-collimating lens, 10-is heat sink, 11-mirror support, 12-condenser lens seat.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1-4, a kind of embodiment provided by the invention: a kind of multichannel coupled laser, including shell 1, laser module 2, reflecting mirror 3, condenser lens 4 and fibre-optical splice 5;Described shell 1 includes base 6 and upper cover 7, and upper cover 7 is arranged on base 6 upper end;Form closed cavity between described upper cover 7 and base 6, and laser module 2, reflecting mirror 3 and condenser lens 4 are separately positioned in closed cavity;Described laser module 2 includes laser diode 8, collimating lens 9 and heat sink 10, and laser diode 8 is fixedly mounted on base 6 by heat sink 10;Described collimating lens 9 is arranged on the Laser emission end of laser diode 8;Described reflecting mirror 3 is arranged on collimating lens 9 upper end by mirror support 11, and between the reflecting surface of reflecting mirror 3 and mirror support 11, inclined angle is arranged;Described condenser lens 4 is arranged on base 6 by condenser lens seat 12;Described fibre-optical splice 5 is arranged on base 6 side, and described mirror support 11 is compound mirror support;Described laser module 2 is provided with number row, and is uniformly distributed in X-direction on base 6;Coupling head is FC interface, SMA905 interface, SC interface or ST interface.
Multichannel coupled laser operation principle of the present invention: first laser module 2 is regularly arranged into N row, often there is multiple laser diode 8 in row, the laser sent arranges the nearly directional light of multi beam by producing N after collimating lens 9, polarization direction is highly consistent, and the single orientation of described laser diode 8 quick shaft direction and described laser diode 8 is vertical.With the quick shaft direction of laser diode 8 for Y-axis.Laser diode 8 arrives after advancing a small distance through the light beam after collimating lens 9 along Z axis and deflects on the reflecting mirror 3 above mirror support 11, light beam after deflection transmits along X-direction, and the distance of the laser beam in simultaneously single is compressed into close-packed arrays.Forming N bundle synthesis light beam, N bundle synthesis light beam is advanced and is arrived on N number of condenser lens 4 above after a small distance, condenser lens 4 by fibre-optical splice 5 again N bundle laser coupled enter in optical fiber.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when without departing substantially from the spirit of the present invention or basic feature, it is possible to realize the present invention in other specific forms.Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the invention rather than described above limits, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in the present invention.Any accompanying drawing labelling in claim should be considered as the claim that restriction is involved.
Claims (6)
1. a multichannel coupled laser, is characterized in that: include shell (1), laser module (2), reflecting mirror (3), condenser lens (4) and fibre-optical splice (5);Described shell (1) includes base (6) and upper cover (7), and upper cover (7) is arranged on base (6) upper end;Form closed cavity between described upper cover (7) and base (6), and laser module (2), reflecting mirror (3) and condenser lens (4) are separately positioned in closed cavity;Described laser module (2) includes laser diode (8), collimating lens (9) and heat sink (10), and laser diode (8) is fixedly mounted on base (6) by heat sink (10);Described straight lens (9) are arranged on the Laser emission end of laser diode (8);Described reflecting mirror (3) is arranged on collimating lens (9) upper end by mirror support (11), and between reflecting mirror (3) and mirror support (11), inclined angle is arranged;Described condenser lens (4) is arranged on base (6) by condenser lens seat (12), and condenser lens (4) is in same level position with reflecting mirror (3);Described fibre-optical splice (5) is arranged on base (6) side.
2. a kind of multichannel coupled laser according to claim 1, is characterized in that: described mirror support (11) is compound mirror support.
3. a kind of multichannel coupled laser according to claim 1, is characterized in that: described laser module (2) is provided with number row, and is above uniformly distributed in X-direction at base (6).
4. a kind of multichannel coupled laser according to claim 1, is characterized in that: described coupling head quantity is consistent with the row of condenser lens quantity and laser instrument.
5. a kind of multichannel coupled laser according to claim 1, is characterized in that: described collimating lens (9) is coquille, one in aspherical mirror or cylindrical mirror.
6. a kind of multichannel coupled laser according to claim 1, is characterized in that: described reflecting mirror (3) is corner cube prism or plane mirror;Reflecting mirror (3) is placed on each step surface of mirror support (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610299872.1A CN105720462A (en) | 2016-05-09 | 2016-05-09 | Multi-circuit coupling laser |
Applications Claiming Priority (1)
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CN201610299872.1A CN105720462A (en) | 2016-05-09 | 2016-05-09 | Multi-circuit coupling laser |
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CN105720462A true CN105720462A (en) | 2016-06-29 |
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CN201610299872.1A Pending CN105720462A (en) | 2016-05-09 | 2016-05-09 | Multi-circuit coupling laser |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112304445A (en) * | 2020-11-20 | 2021-02-02 | 中国科学技术大学 | Expandable multi-mode light quantum interference device and construction method thereof |
CN112825411A (en) * | 2019-11-19 | 2021-05-21 | 青岛海信激光显示股份有限公司 | Laser device |
CN113178778A (en) * | 2021-05-11 | 2021-07-27 | 北京凯普林光电科技股份有限公司 | Semiconductor laser including more than two wavelengths |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204731450U (en) * | 2015-06-23 | 2015-10-28 | 中视迪威激光显示技术有限公司 | Stacking-type laser couplers |
CN204760745U (en) * | 2015-06-25 | 2015-11-11 | 鞍山伟光力激光科技有限公司 | High power semiconductor optic fibre coupled laser |
CN105119138A (en) * | 2015-09-21 | 2015-12-02 | 无锡亮源激光技术有限公司 | Large-power fiber coupled laser |
CN204905644U (en) * | 2015-08-24 | 2015-12-23 | 深圳市创鑫激光股份有限公司 | Laser coupled system |
-
2016
- 2016-05-09 CN CN201610299872.1A patent/CN105720462A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204731450U (en) * | 2015-06-23 | 2015-10-28 | 中视迪威激光显示技术有限公司 | Stacking-type laser couplers |
CN204760745U (en) * | 2015-06-25 | 2015-11-11 | 鞍山伟光力激光科技有限公司 | High power semiconductor optic fibre coupled laser |
CN204905644U (en) * | 2015-08-24 | 2015-12-23 | 深圳市创鑫激光股份有限公司 | Laser coupled system |
CN105119138A (en) * | 2015-09-21 | 2015-12-02 | 无锡亮源激光技术有限公司 | Large-power fiber coupled laser |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112825411A (en) * | 2019-11-19 | 2021-05-21 | 青岛海信激光显示股份有限公司 | Laser device |
CN112304445A (en) * | 2020-11-20 | 2021-02-02 | 中国科学技术大学 | Expandable multi-mode light quantum interference device and construction method thereof |
CN113178778A (en) * | 2021-05-11 | 2021-07-27 | 北京凯普林光电科技股份有限公司 | Semiconductor laser including more than two wavelengths |
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Application publication date: 20160629 |
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