CN203069838U - Optical transmission device of laser diode array matrix - Google Patents
Optical transmission device of laser diode array matrix Download PDFInfo
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- CN203069838U CN203069838U CN 201320087281 CN201320087281U CN203069838U CN 203069838 U CN203069838 U CN 203069838U CN 201320087281 CN201320087281 CN 201320087281 CN 201320087281 U CN201320087281 U CN 201320087281U CN 203069838 U CN203069838 U CN 203069838U
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Abstract
The utility model provides an optical transmission device of a laser diode array matrix. The optical transmission device of the laser diode array matrix includes a laser diode array module matrix, a reflector matrix, a common reflector group, a focus lens and a transmission optical fiber. Through reshaping and transmitting light beams of a laser diode array, the light beams emitted by the laser diode array matrix can be coupled into the transmission optical fiber. The optical transmission device of the laser diode array matrix has advantages of compact structure and high coupling efficiency.
Description
Technical field
The utility model relates to the laser optics field, relates in particular to a kind of optical transmission apparatus of diode laser matrix matrix.
Background technology
Laser is pressed the operation material classification, can be divided into: gas laser, dye laser, Solid State Laser, semiconductor laser, optical-fiber laser etc.Laser diode has many characteristics such as volume is little, in light weight, efficient is high, the life-span is long and can directly modulate, and more and more is subjected to the favor of researcher and terminal user.Laser diode as laser melting coating, laser quenching, laser hardening etc., can directly be used its light source in some application, simultaneously, directly is that the process equipment of light source also progressively increases with the laser diode.Aspect the Solid State Laser pumping source, be that the Solid State Laser of pumping source just progressively replaces with traditional xenon lamp with the laser diode be the Solid State Laser of pumping source.
Because the raising that practical application requires laser power, the laser diode of single tube can't satisfy application requirements; Diode laser matrix (array) or laser diode storehouse (stack) have then become final selection.The laser diode storehouse is because cost height, shaping coupling technique factor such as difficulty relatively, less employing in practical application.Diode laser matrix is then owing to factors such as with low cost, shaping technique maturation are extensive use of.
Diode laser matrix generally is arranged in a row by 8-20 laser diode transmitter unit to be formed.There is very big asymmetry in the laser diode light beam of single tube, has very big astigmatism.Its light-emitting area is generally 1 * 50 μ m
2-1 * 400 μ m
2, generally about 40 °, the slow axis full-shape angle of divergence is about 10 ° for its fast axle full-shape angle of divergence.The light-emitting area of diode laser matrix be generally 1 μ m * 1cm(or more than), for reaching request for utilization, must carry out beam shaping to diode laser matrix, namely by micro optical element the light beam of diode laser matrix is cut apart, rotates, is reset.Up to the present, occurred multiple diode laser matrix being carried out technology and the corresponding patent of beam shaping, as: technology such as optic fiber converter shaping, the shaping of gradual index lens array, the shaping of polygon prism array, double mirror shaping, the shaping of ladder catoptron, 45 degree tilt column lens arras rotation shapings, prism group catadioptric beam shaping.
In existing technology of the diode laser matrix matrix being carried out space coupling, adopt diode laser matrix ladder distribution technique mostly, being about to diode laser matrix is distributed on the stair-stepping base plate, then each diode laser matrix is carried out beam shaping, focus on the focus lamp coupling at last.Though this technology is simple in structure, but still have that structure is not compact, the inhomogeneous shortcoming of space coupling.
Therefore, improving the structure of present diode laser matrix matrix and Space Coupling Technology of Multi is to need the problem that solves at present.
The utility model content
The purpose of this utility model provides a kind of optical transmission apparatus of diode laser matrix matrix, and this device has compact conformation, coupling efficiency advantages of higher.
In order to achieve the above object, the utility model provides a kind of optical transmission apparatus of diode laser matrix matrix, comprising:
The diode laser matrix modular matrix is arranged in matrix form by several diode laser matrix modules at surface level;
The catoptron matrix, corresponding with the diode laser matrix modular matrix, be positioned on the transmission light path of each diode laser matrix module, be used for the laser beam that this module of reflection is sent;
Public catoptron group comprises the quantity public catoptron identical with the line number of diode laser matrix modular matrix, is distributed in different listing, and reflects the laser beam of every capable diode laser matrix module after corresponding mirror reflects respectively;
Focus lamp is used for receiving the laser beam after public catoptron group reflection;
Transmission Fibers is used for receiving the laser beam after the line focus mirror is coupled.
Preferably, described diode laser matrix module comprises diode laser matrix, fast axis collimation device and slow axis collimating apparatus.
Preferably, described catoptron matrix is highly consistent on the line direction of matrix, and the identical angle of facing upward, and the angle of facing upward is between the 1-3 degree.
Preferably, catoptron and incident light are the miter angle placement in the catoptron matrix, all are coated with on the plane of incidence of described catoptron the high anti-deielectric-coating of laser diode wavelength 45 degree incidents.
Preferably, the identical angle of the equal nutation of described public catoptron, the angle of nutation is between the 1-4 degree.
Preferably, each public catoptron and incident light are miter angle to be placed, and all is coated with on the plane of incidence of described public catoptron the high anti-deielectric-coating of laser diode wavelength 45 degree incidents.
Preferably, the plane of incidence of described focus lamp and exiting surface are coated with the high saturating deielectric-coating of laser diode wavelength.
Preferably, described Transmission Fibers is step optical fiber, and the optical fiber core diameter is 0.6 millimeter.
The utility model provides a kind of optical transmission apparatus of diode laser matrix matrix, this device comprises diode laser matrix modular matrix, catoptron matrix, public catoptron group, focus lamp and Transmission Fibers, by beam shaping and the transmission to diode laser matrix, the light beam coupling that the diode laser matrix matrix can be sent is advanced Transmission Fibers.These optical devices have compact conformation, coupling efficiency advantages of higher.
Description of drawings
Fig. 1 is according to embodiment of the utility model, the synoptic diagram of the optical transmission apparatus of diode laser matrix matrix.
Fig. 2 is the synoptic diagram of diode laser matrix module among Fig. 1.
Fig. 3 is the face upward synoptic diagram of certain angle reflection lasering beam of catoptron among Fig. 1.
Fig. 4 is the synoptic diagram of public catoptron nutation certain angle reflection lasering beam among Fig. 1.
Fig. 5 is that diode laser matrix laser incides hot spot distribution schematic diagram on the focus lamp among Fig. 1.
Illustration:
1 diode laser matrix modular matrix, 11 diode laser matrix modules
111 diode laser matrixs, 112 fast axis collimation devices
113 slow axis collimating apparatuss, 2 catoptron matrixes
22 catoptrons, 3 public catoptron groups
33 public catoptron 4 focus lamps
5 Transmission Fibers
Among Fig. 1 and Fig. 5, A1, A2, Ag, An-1, An; D1, D2, Dg, Dn-1, Dn; G1, G2, Gg, Gn-1, Gn are respectively the numbering of the corresponding hot spot of diode laser matrix module on the diode laser matrix modular matrix.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is described in further detail.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Fig. 1 is according to embodiment of the utility model, the synoptic diagram of the optical transmission apparatus of diode laser matrix matrix.This device comprises diode laser matrix modular matrix 1, catoptron matrix 2, public catoptron group 3, focus lamp 4 and Transmission Fibers 5.
Wherein, diode laser matrix modular matrix 1 is arranged in matrix form by diode laser matrix module 11 at surface level.In the utility model, diode laser matrix modular matrix 1 is gone up in the row direction by A1 ... Ag ... n altogether of An, on column direction by A1 ... D1 ... G1 g diode laser matrix module 11 altogether forms, namely, the matrix of diode laser matrix modular matrix 1 be g * n(capable * row), the diode laser matrix module 11 equal alinement delegation of every row.Each diode laser matrix module 11 comprises identical diode laser matrix 111, fast axis collimation device 112 and slow axis collimating apparatus 113.Diode laser matrix 111 is behind fast axis collimation device 112, slow axis collimating apparatus 113 collimations, and its laser beam can be thought what level collimated.
Catoptron matrix 2 is corresponding with diode laser matrix modular matrix 1, places a catoptron 22 on the transmission light path of each diode laser matrix module 11 one by one, is used for reflection lasering beam.Each catoptron 22 all becomes 45 degree with the incident direction of light, all is coated with on the laser entrance face the high anti-deielectric-coating of laser diode wavelength 45 degree incidents.Go up in the row direction, each catoptron 22 is lined up highly consistent delegation, each catoptron 22 identical angle of all facing upward, as the 1-3 degree, the angle that catoptron 22 is faced upward satisfies laser beam can not incide the catoptron 22 that is positioned at its front after catoptron 22 reflection, and folded light beam from the distance at catoptron 22 tops of its front between the 0.1-0.2 millimeter.Like this, the diode laser matrix module 11 of every row is superimposed as a branch of " slab laser bundle " vertical, the level collimation after catoptron 22 reflections.
Each diode laser matrix module 11 glancing incidence after catoptron 22 and 33 reflections of public catoptron enters Transmission Fibers 5 by focus lamp 4 coupling focusing to focus lamp 4.The plane of incidence of focus lamp 4 and exiting surface are coated with the high saturating deielectric-coating of laser diode wavelength, and Transmission Fibers 5 is step optical fiber.
Fig. 2 is the synoptic diagram of diode laser matrix module among Fig. 1.Diode laser matrix module 11 comprises diode laser matrix 111, fast axis collimation device 112, slow axis collimating apparatus 113.There is very big asymmetry in the laser beam of diode laser matrix 111, has very big astigmatism, for reaching the purpose of space transmission, coupling, must carry out spacing shaping to diode laser matrix 111.The spacing shaping of diode laser matrix 111 generally adopts micro-optical device.In the utility model, in order to reach the purpose of volume compact, fast axis collimation device 112 is selected the fast axis collimation lenticule for use, and slow axis collimating apparatus 113 is selected the slow axis collimation microlens for use.Noticeable, the fast axis collimation device 112 among the figure and slow axis collimating apparatus 113 are not to be exactly the original shape of device in the utility model.Such as, the fast axis collimation lenticule can be selected D shape lenticule, also can select O shape lenticule, or the lenticule of other shape; In like manner, the slow axis collimation microlens also has difform lenticule.Diode laser matrix 111 behind fast axis collimation device 112, the collimated compression of the light beam of its quick shaft direction, and the light beam of slow-axis direction continues to disperse; After slow axis collimating apparatus 113, the collimated compression of the light beam of its slow-axis direction, and quick shaft direction remains collimated compression.Diode laser matrix 111 is behind the spacing shaping of fast axis collimation device 112, slow axis collimating apparatus 113, and its laser beam can be thought horizontal collimated laser light bundle in theory, is conducive to the space transmission of laser beam.
Fig. 3 is the face upward synoptic diagram of certain angle reflection lasering beam of catoptron in the catoptron matrix among Fig. 1.Diode laser matrix 111 is behind fast axis collimation device 112, slow axis collimating apparatus 113 spacing shapings, and its laser beam can be thought horizontal collimated laser light bundle in theory.This laser beam incident is to catoptron 22, if catoptron 22 is vertical level, then laser beam is turned to 90 degree by the space, and along continuous straight runs (being dotted line among the figure) transmits.In the utility model, catoptron 22 certain angle of facing upward, then laser beam is along direction (be solid line among the figure) transmission from the horizontal by certain positive-angle.The angle that catoptron 22 is faced upward must be able to guarantee that the laser light reflected Shu Buhui of institute incides the catoptron 22 that is positioned at its front, and folded light beam from the distance at catoptron 22 tops of its front between the 0.1-0.2 millimeter.In the utility model, the height of catoptron 22 is unsuitable too high, in order to avoid the angle that catoptron 22 need be faced upward too high could be passed through the catoptron 22 of its front " not interfering ".
Fig. 4 is the synoptic diagram of public catoptron nutation certain angle reflection lasering beam among Fig. 1.The laser of diode laser matrix 111 is behind fast axis collimation device 112, slow axis collimating apparatus 113 spacing shapings, glancing incidence is to catoptron 22, then with the direction transmission laser beam from the horizontal by certain positive-angle, incide on the public catoptron 33 with the direction from the horizontal by certain negative angle then.If public catoptron 33 is vertical level, then laser beam is to be reflected with the direction (being solid line among the figure) from the horizontal by certain positive-angle.In the utility model, must be horizontal vertical incident (being dotted line among the figure) owing to require to incide the laser beam of focus lamp 4, require the certain angle of must nutation public catoptron 33 for reaching this.For saving the space, can select the smaller public catoptron 33 of reflective surface area, and the distance that compact public catoptron 33 is gone up in the row direction, but must guarantee that laser beam after the reflection can not incide on the public catoptron 33 of front and from the distance of public catoptron 33 sides of front between the 0.1-0.2 millimeter.
Fig. 5 is that diode laser matrix laser incides hot spot distribution schematic diagram on the focus lamp among Fig. 1.The laser of diode laser matrix 111 is behind fast axis collimation device 112, slow axis collimating apparatus 113 spacing shapings, and glancing incidence is to catoptron 22, and after catoptron 22 and public catoptron 33 spaces turned to, glancing incidence was to focus lamp 4.At this moment, diode laser matrix modules A 1, A2 that diode laser matrix modular matrix 1 is gone up in the row direction ... Ag ... the laser that An-1, An launch incides respectively on focus lamp 4 position in the vertical direction, form " slab laser bundle ", particular location as shown in Figure 5, the laser launched of diode laser matrix module 11 of other row incides the position of focus lamp 4, and the rest may be inferred.Because the laser of diode laser matrix 111 is behind fast axis collimation device 112, slow axis collimating apparatus 113 spacing shapings, its laser beam can be regarded theoretic horizontal collimated light as; Adding that this horizontal collimated light is reflected after 33 reflections of mirror 22 and public catoptron is that horizontal vertical incides on the focus lamp 4, after each Shu Jiguang that diode laser matrix modular matrix 1 is launched incides focus lamp 4, can be aggregated into a branch of big horizontal collimated light beam.The big horizontal collimated light beam of this bundle is easy to be focused mirror 4 and is coupled into 5 li of Transmission Fibers.
The utility model provides a kind of optical transmission apparatus of diode laser matrix matrix, this device comprises diode laser matrix modular matrix, catoptron matrix, public catoptron group, focus lamp and Transmission Fibers, by beam shaping and the transmission to diode laser matrix, the light beam coupling that the diode laser matrix matrix can be sent is advanced Transmission Fibers.These optical devices have compact conformation, coupling efficiency advantages of higher.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion according to technical conceive of the present utility model, and all these change the protection domain that all should belong to the utility model claim with distortion.
Claims (8)
1. the optical transmission apparatus of a diode laser matrix matrix is characterized in that, comprising:
The diode laser matrix modular matrix is arranged in matrix form by several diode laser matrix modules at surface level;
The catoptron matrix, corresponding with the diode laser matrix modular matrix, be positioned on the transmission light path of each diode laser matrix module, be used for the laser beam that this module of reflection is sent;
Public catoptron group comprises the quantity public catoptron identical with the line number of diode laser matrix modular matrix, is distributed in different listing, and reflects the laser beam of every capable diode laser matrix module after corresponding mirror reflects respectively;
Focus lamp is used for receiving the laser beam after public catoptron group reflection;
Transmission Fibers is used for receiving the laser beam after the line focus mirror is coupled.
2. the optical transmission apparatus of diode laser matrix matrix according to claim 1 is characterized in that, described diode laser matrix module comprises diode laser matrix, fast axis collimation device and slow axis collimating apparatus.
3. the optical transmission apparatus of diode laser matrix matrix according to claim 1, it is characterized in that, catoptron and incident light are the miter angle placement in the catoptron matrix, all are coated with on the plane of incidence of described catoptron the high anti-deielectric-coating of laser diode wavelength 45 degree incidents.
4. the optical transmission apparatus of diode laser matrix matrix according to claim 3 is characterized in that, described catoptron matrix is highly consistent on the direction of row matrix, and the identical angle of facing upward, and the angle of facing upward is between the 1-3 degree.
5. the optical transmission apparatus of diode laser matrix matrix according to claim 1, it is characterized in that, each public catoptron and incident light are miter angle to be placed, and all is coated with on the plane of incidence of described public catoptron the high anti-deielectric-coating of laser diode wavelength 45 degree incidents.
6. the optical transmission apparatus of diode laser matrix matrix according to claim 5 is characterized in that, the identical angle of the equal nutation of described public catoptron, and the angle of nutation is between the 1-4 degree.
7. the optical transmission apparatus of diode laser matrix matrix according to claim 1 is characterized in that, the plane of incidence of described focus lamp and exiting surface are coated with the high saturating deielectric-coating of laser diode wavelength.
8. the optical transmission apparatus of diode laser matrix matrix according to claim 1 is characterized in that, described Transmission Fibers is step optical fiber, and the optical fiber core diameter is 0.6 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320087281 CN203069838U (en) | 2013-02-26 | 2013-02-26 | Optical transmission device of laser diode array matrix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320087281 CN203069838U (en) | 2013-02-26 | 2013-02-26 | Optical transmission device of laser diode array matrix |
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| CN203069838U true CN203069838U (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320087281 Expired - Fee Related CN203069838U (en) | 2013-02-26 | 2013-02-26 | Optical transmission device of laser diode array matrix |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443906A (en) * | 2016-09-22 | 2017-02-22 | 苏州长光华芯光电技术有限公司 | Laser array fiber coupling device based on macro channel cooling and coupling method thereof |
| CN110703394A (en) * | 2018-07-09 | 2020-01-17 | 余姚舜宇智能光学技术有限公司 | Large-area signal light energy acquisition system and method |
-
2013
- 2013-02-26 CN CN 201320087281 patent/CN203069838U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443906A (en) * | 2016-09-22 | 2017-02-22 | 苏州长光华芯光电技术有限公司 | Laser array fiber coupling device based on macro channel cooling and coupling method thereof |
| CN110703394A (en) * | 2018-07-09 | 2020-01-17 | 余姚舜宇智能光学技术有限公司 | Large-area signal light energy acquisition system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171228 Address after: 311200, Zhejiang Province, Xiaoshan District, Hangzhou New Street Village Patentee after: Pan-wave Laser Equipment (Hangzhou) Co.,Ltd. Address before: 325001 the 6 floor of the middle test building of high tech park, Wenzhou City, Zhejiang Patentee before: WENZHOU FIBRE LASER Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 |