CN202260120U - Plug-in-arrangement beam-combination high-power semiconductor laser - Google Patents
Plug-in-arrangement beam-combination high-power semiconductor laser Download PDFInfo
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- CN202260120U CN202260120U CN2011203572574U CN201120357257U CN202260120U CN 202260120 U CN202260120 U CN 202260120U CN 2011203572574 U CN2011203572574 U CN 2011203572574U CN 201120357257 U CN201120357257 U CN 201120357257U CN 202260120 U CN202260120 U CN 202260120U
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- semiconductor laser
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- battle array
- folded battle
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Abstract
The utility model provides a plug-in-arrangement beam-combination high-power semiconductor laser which has the advantages of simple method, compact structure and low cost. The high-power semiconductor laser comprises a first semiconductor laser stack, a second semiconductor laser stack and a beam combiner, wherein a plurality of first laser beams emitted by a plurality of bars of the first semiconductor laser stack and a plurality of second laser beams emitted by a plurality of bars of the second semiconductor laser stack are mutually arranged in a plug-in mode in space; and the plurality of first laser beams and the plurality of second laser beams are respectively reflected and transmitted through the beam combiner, and are arranged in a plug-in mode to form a combined beam. Thus, the size of the light spot of the formed combined beam is equivalent to the light spot formed by one semiconductor laser stack. The utility model solves the technical problems of limited application range and high cost in the existing stack-type laser beam combining method.
Description
Technical field
The utility model relates to a kind of high-power semiconductor laser.
Background technology
High-power semiconductor laser comprises single-chip, array and folded formation laser, constantly increases in the purposes of light-pumped solid state laser system aspects, can be used for industry, military affairs, medical treatment and directly material processed such as welding, cutting and surface treatment.Along with the raising of laser power, efficient, reliability, manufacturing power, high power semiconductor lasers has emerged many new purposes.
In order to realize the high power output of semiconductor laser, generally adopt a plurality of lasers to close Shu Fangfa and realize.The Shu Fangfa that closes relatively more commonly used at present mainly contains two kinds:
First kind is that multi-wavelength closes Shu Fangfa, synthetic in order to reach power, can realize through being coated with spectro-film; Principle is simple; Realize easily, but this is to using under the very wide situation of the wavelength width of output, the wavelength band output with a kind of wavelength or narrow range being required just to have limitation.
Second kind is that PBS closes Shu Fangfa, is used for the output light with a kind of or different wave length, utilizes the difference of chip polarization state, be coated with PBS close the bundle film realize that power closes bundle.But this method expense is than higher, and spot size can be inhomogeneous, and the volume of device is big, is unfavorable for industrialization.
The utility model content
The utility model purpose provides that a kind of method is simple, compact conformation, high-power semiconductor laser with low cost, and it has solved existing folded formation laser and has closed the technical problem that Shu Fangfa is of limited application, cost is high.
The technical solution of the utility model is:
A kind of semiconductor laser plug hole is arranged and is closed Shu Fangfa, comprises the folded battle array of first semiconductor laser, the folded battle array of second semiconductor laser, beam merging apparatus; A plurality of crust bars of the folded battle array of described first semiconductor laser send a plurality of first laser beams and a plurality of crust bars of the folded battle array of second semiconductor laser, and to send the spatially mutual plug hole of a plurality of second laser beams corresponding; Said a plurality of first laser beam and said a plurality of second laser beam through beam merging apparatus reflect respectively with transmission after carry out plug hole and arrange to form and to close Shu Guang.Like this, the formed spot size that closes Shu Guang is suitable with the formed hot spot of the folded battle array of a semiconductor laser.
Arrange according to above-mentioned semiconductor laser plug hole and to close Shu Fangfa and can design and obtain multiple high-power semiconductor laser.
First kind of plug hole arranged the high-power semiconductor laser that closes bundle, comprise the folded battle array of first semiconductor laser that can send a plurality of first laser beams, can send a plurality of second laser beams the folded battle array of second semiconductor laser, be used for that a plurality of first laser beams and a plurality of second laser beam are carried out mutual plug hole and arrange the beam merging apparatus that closes bundle; Said beam merging apparatus comprises spaced a plurality of reflector plate, and these reflector plates are corresponding one by one with said a plurality of first laser beams, is space and corresponding one by one with said a plurality of second laser beams between these reflector plates.
Second kind of plug hole arranged the high-power semiconductor laser that closes bundle, comprise the folded battle array of first semiconductor laser that can send a plurality of first laser beams, can send a plurality of second laser beams the folded battle array of second semiconductor laser, be used for that a plurality of first laser beams and a plurality of second laser beam are carried out mutual plug hole and arrange the beam merging apparatus that closes bundle; Described beam merging apparatus comprises a plurality of reflection parts and a plurality of transmitting member, reflection part and transmitting member alternately, these reflection parts are corresponding one by one with said a plurality of first laser beams, these transmitting members are corresponding one by one with said a plurality of second laser beams.
The third plug hole is arranged the high-power semiconductor laser that closes bundle, comprise the folded battle array of first semiconductor laser that can send a plurality of first laser beams, can send a plurality of second laser beams the folded battle array of second semiconductor laser, be used for that a plurality of first laser beams and a plurality of second laser beam are carried out mutual plug hole and arrange the beam merging apparatus that closes bundle; Said beam merging apparatus closes the bundle element and is provided with spaced a plurality of echo area for closing the bundle element, and these echo areas are corresponding one by one with said a plurality of first laser beams, are space and corresponding one by one with said a plurality of second laser beams between these echo areas.The concrete structure of echo area can be employed in the form of plating reflectance coating on the medium.
The 4th kind of plug hole arranged the high-power semiconductor laser that closes bundle, comprise the folded battle array of first semiconductor laser that can send a plurality of first laser beams, can send a plurality of second laser beams the folded battle array of second semiconductor laser, be used for that a plurality of first laser beams and a plurality of second laser beam are carried out mutual plug hole and arrange the beam merging apparatus that closes bundle; Said beam merging apparatus is for closing the bundle element; The said bundle element that closes is provided with a plurality of echo areas and a plurality of transmission area; Echo area and transmission area alternately, these echo areas are corresponding one by one with said a plurality of first laser beams, these transmission areas are corresponding one by one with said a plurality of second laser beams.The concrete structure of echo area can be employed in the form of plating reflectance coating on the medium.
The advantage that the utlity model has:
1, the utility model adopts separately plug hole to arrange and closes bundle, and therefore the folded battle array of first semiconductor laser is close to the folded battle array of second semiconductor laser and is in a height, so the utility model high-power semiconductor laser has compact conformation, advantage that volume is little.
2, the laser beam of the utility model output carries out separately plug hole and arranges and close bundle, makes the hot spot homogenizing, and spot size is similar to the size of a folded battle array, because light beam satisfies the principle of Lagrange invariant, so spot size diminishes good beam quality.
3, the utility model semiconductor laser has only used principle of reflection, so low cost of manufacture.
4, under the restriction of volume and spot size, in order to reach more powerful output, the utility model utilizes two spaces between the folded battle array, a method that makes folded battle array when arranging, utilize plug hole to arrange, again through plated film close the bundle sheet, close bundle and reach high power.
5, be easy to adjustment.Because just utilize the principle of reflection and transmission, therefore, only need the reflection angle of adjusting device to get final product.
Description of drawings
Fig. 1 is the fundamental diagram of the utility model;
Fig. 2 is the spatial relation sketch map of the folded battle array of the utility model first semiconductor laser, the folded battle array of second semiconductor laser, beam merging apparatus;
Fig. 3 is the light path sketch map of the folded battle array of the utility model first semiconductor laser, the folded battle array of second semiconductor laser, beam merging apparatus;
Fig. 4 is first kind of beam merging apparatus sketch map of this utility model;
Fig. 5 is second kind of beam merging apparatus sketch map of the utility model;
Fig. 6 is the third beam merging apparatus sketch map of the utility model;
Fig. 7 is the 4th kind of beam merging apparatus sketch map of the utility model.
The drawing reference numeral explanation:
The folded battle array of 1-first semiconductor laser; The folded battle array of 2-second semiconductor laser; The 3-beam merging apparatus; 4-first laser beam; 5-second laser beam; 6-closes Shu Guang; 7-reflection part (echo area); Space in first kind of 8-, the third beam merging apparatus; 9-transmitting member (transmission area); The integral piece that the third beam merging apparatus of 10-adopts close the bundle element; The integral piece that the 4th kind of beam merging apparatus of 11-adopts close the bundle element.
Embodiment
The utility model semiconductor laser plug hole is arranged and is closed Shu Fangfa:
Comprise the folded battle array of first semiconductor laser, the folded battle array of second semiconductor laser, beam merging apparatus; A plurality of crust bars of the folded battle array of described first semiconductor laser send a plurality of first laser beams through to send a plurality of second laser beams spatially spaced with a plurality of crust bars of the folded battle array of second semiconductor laser behind the beam merging apparatus; Carry out the plug hole arrangement and close bundle, formed spot size is suitable with the formed hot spot of the folded battle array of a semiconductor laser.
The utility model principle:
During the folded battle array process of first semiconductor laser beam merging apparatus, the reflection position reflection output of the corresponding beam merging apparatus of the laser beam light of each crust bar (bar bar);
The interval of odd that the height of the folded battle array of second semiconductor laser and the folded battle array of first semiconductor laser staggers half pitch (crust bar and cling to the distance between the bar) or half pitch;
The folded battle array of second semiconductor laser directly sees through beam merging apparatus output;
Battle array folded by first semiconductor laser and second semiconductor laser is folded battle array behind beam merging apparatus, and the light beam of crust bar carries out the plug hole arrangement and closes bundle.
The specific requirement of the utility model method:
1. the quantity of the reflection position of beam merging apparatus can correspondingly with the crust bar quantity of the folded battle array of first semiconductor laser also can be folded the quantity that battle array is clung to bar greater or less than first semiconductor laser;
2. the angular range between the folded battle array of the beam merging apparatus and first semiconductor laser is 0 °～90 °, is the best with 45 °;
3. beam merging apparatus can be integral piece (closing the bundle element), such as optical treatment modes such as plated film on an eyeglass realize echo area and transmission area alternately to satisfy the plug hole needs; Also can adopt the splicing of a plurality of reflection parts and transmitting member to form; Transmitting member also can be air-gap.
Fig. 1 is the fundamental diagram of the utility model; First laser beam 4 that the folded battle array 1 of first semiconductor laser is sent is through beam merging apparatus 3 reflections; First laser beam 4 that second laser beam 5 that the folded battle array 2 of second semiconductor laser is sent sends through beam merging apparatus 3 backs and the folded battle array 1 of first semiconductor laser after beam merging apparatus 3 reflections carries out mutual plug hole to be arranged and closes bundle and form and close bundle light 6, and the spot size that closes bundle light 6 is suitable with the spot size of the laser beam formation that the folded battle array of a semiconductor laser is sent.
Fig. 3 is the light path sketch map of folded gust 2 of the folded battle array of the utility model first semiconductor laser 1, second semiconductor laser, beam merging apparatus 3; When first laser beam 4 that the folded battle array 1 of first semiconductor laser is sent passes through beam merging apparatus 3; The interval of odd that half pitch (crust bar and cling to the distance between the bar) or half pitch are staggered in reflection position reflection output of the corresponding beam merging apparatus of the laser beam of each crust bar (bar bar), the height of the folded battle array 1 of the folded battle array of second semiconductor laser 2 and first semiconductor laser; Second laser beam 5 that the folded battle array 2 of second semiconductor laser is sent directly sees through beam merging apparatus 3 outputs; Second laser beam 5 that the folded battle array 2 of second semiconductor laser is sent carries out plug hole with first laser beam 4 through beam merging apparatus 3 reflections and arranges and close bundle and form to close and restraint light 6 through beam merging apparatus 3 after.
Fig. 2 is the spatial relation sketch map of folded gust 2 of the folded battle array of the utility model first semiconductor laser 1, second semiconductor laser, beam merging apparatus 3; Angular range between the folded battle array 1 of the beam merging apparatus 3 and first semiconductor laser is 0 °～90 °, is the best with 45 °.
Fig. 4 is first kind of used beam merging apparatus of high-power semiconductor laser of the utility model.Corresponding high-power semiconductor laser comprises the folded battle array of first semiconductor laser that can produce a plurality of first (plane) laser beams 4 that are parallel to each other 1, can produce the folded battle array of second semiconductor laser of a plurality of second (plane) laser beams 5 that are parallel to each other 2, be used for a plurality of first laser beams 4 and a plurality of second laser beam 5 carries out plug hole and arranges the beam merging apparatus 3 that closes bundle; Said beam merging apparatus comprises consistent with the first laser beam quantity and a plurality of one to one reflection parts 7 in position, is consistent with the said second laser beam quantity between the reflection part 7 and space 8 one to one, position.Said a plurality of reflection part is a plurality of reflector plates that laterally arrange.The space 8 of the laser beam that each crust bar sends in the folded battle array 2 of second semiconductor laser between reflection part 7 sees through each crust bar sends back and the folded battle array of first semiconductor laser after reflection part 7 reflections the mutual plug hole of laser beam and arranges and close bundle.
Fig. 5 is second kind of used beam merging apparatus of high-power semiconductor laser of the utility model.Corresponding high-power semiconductor laser comprises the folded battle array of first semiconductor laser that can produce a plurality of first (plane) laser beams 4 that are parallel to each other 1, can produce the folded battle array of second semiconductor laser of a plurality of second (plane) laser beams 5 that are parallel to each other 2, be used for a plurality of first laser beams 4 and a plurality of second laser beam 5 carries out plug hole and arranges the beam merging apparatus 3 that closes bundle.Said beam merging apparatus comprise consistent with the first laser beam quantity and a plurality of one to one reflection parts 7 in position and with a plurality of one to one transmitting members 9 of said second laser beam quantity unanimity and position; Reflection part 7 and transmitting member 9 alternately, reflection part is used for the laser beam that folded battle array 1 each the crust bar of first semiconductor laser sends is reflected; The laser beam that folded battle array 2 each the crust bar of second semiconductor laser send is arranged with the mutual plug hole of laser beam that sends through each crust bar the folded battle array 1 of first semiconductor laser after reflection part 7 reflections through the back from transmitting member 9 and is closed bundle.
Fig. 6 is the beam merging apparatus of the third high-power semiconductor laser of the utility model.Corresponding high-power semiconductor laser comprises the folded battle array of first semiconductor laser that can produce a plurality of first (plane) laser beams 4 that are parallel to each other 1, can produce the folded battle array of second semiconductor laser of a plurality of second (plane) laser beams 5 that are parallel to each other 2, be used for a plurality of first laser beams 4 and a plurality of second laser beam 5 carries out plug hole and arranges the beam merging apparatus 3 that closes bundle.Beam merging apparatus is that closing of integral piece restrainted element 10; Closing bundle element 10 is provided with consistent with the first laser beam quantity and a plurality of one to one echo areas, position (reflection part) 7; Specifically be employed in the form of plating reflectance coating at interval on the medium, be used for a plurality of first laser beams 4 that the folded battle array 1 of first semiconductor laser is sent are reflected; The laser beam that to be each crust bar sends in the folded battle array 2 of space 8, the second semiconductor lasers the space 8 of laser beam between echo area 7 between a plurality of echo areas 7 send through each crust bar back and the folded battle array 1 of first semiconductor laser after 7 reflections of echo area carries out mutual plug hole and arranges and close bundle.
Fig. 7 is the beam merging apparatus of the 4th kind of high-power semiconductor laser of the utility model.Corresponding high-power semiconductor laser comprises the folded battle array of first semiconductor laser that can produce a plurality of first (plane) laser beams 4 that are parallel to each other 1, can produce the folded battle array of second semiconductor laser of a plurality of second (plane) laser beams 5 that are parallel to each other 2, be used for a plurality of first laser beams 4 and a plurality of second laser beam 5 carries out plug hole and arranges the beam merging apparatus 3 that closes bundle.Beam merging apparatus is that closing of integral piece restrainted element 11; Close bundle element 11 be provided with consistent with the first laser beam quantity and a plurality of one to one echo areas, position (reflection part) 7 and with said second laser beam quantity unanimity and a plurality of one to one transmission areas in position (transmitting member) 9, echo area 7 can be employed in the mode of plating reflectance coating and transmission film on the medium at interval with transmission area 9 and realize.Echo area 7 is used for the laser beam that folded battle array 1 each the crust bar of first semiconductor laser sends is reflected; To be the laser beam that sends of folded battle array 2 each the crust bar of transmission area 9, the second semiconductor lasers between the echo area 7 carry out mutual plug hole from transmission area 9 through back and the laser beam that sends through each crust bar the folded battle array 1 of first semiconductor laser after 7 reflections of echo area arranges and closes bundle.
Claims (4)
1. a plug hole is arranged the high-power semiconductor laser that closes bundle, it is characterized in that: comprise the folded battle array of first semiconductor laser that can send a plurality of first laser beams, can send a plurality of second laser beams the folded battle array of second semiconductor laser, be used for that a plurality of first laser beams and a plurality of second laser beam are carried out mutual plug hole and arrange the beam merging apparatus that closes bundle; Said beam merging apparatus comprises spaced a plurality of reflector plate, and these reflector plates are corresponding one by one with said a plurality of first laser beams, is space and corresponding one by one with said a plurality of second laser beams between these reflector plates.
2. a plug hole is arranged the high-power semiconductor laser that closes bundle, it is characterized in that: comprise the folded battle array of first semiconductor laser that can send a plurality of first laser beams, can send a plurality of second laser beams the folded battle array of second semiconductor laser, be used for that a plurality of first laser beams and a plurality of second laser beam are carried out mutual plug hole and arrange the beam merging apparatus that closes bundle; Described beam merging apparatus comprises a plurality of reflection parts and a plurality of transmitting member, reflection part and transmitting member alternately, these reflection parts are corresponding one by one with said a plurality of first laser beams, these transmitting members are corresponding one by one with said a plurality of second laser beams.
3. a plug hole is arranged the high-power semiconductor laser that closes bundle, it is characterized in that: comprise the folded battle array of first semiconductor laser that can send a plurality of first laser beams, can send a plurality of second laser beams the folded battle array of second semiconductor laser, be used for that a plurality of first laser beams and a plurality of second laser beam are carried out mutual plug hole and arrange the beam merging apparatus that closes bundle; Said beam merging apparatus closes the bundle element and is provided with spaced a plurality of echo area for closing the bundle element, and these echo areas are corresponding one by one with said a plurality of first laser beams, are space and corresponding one by one with said a plurality of second laser beams between these echo areas.
4. a plug hole is arranged the high-power semiconductor laser that closes bundle, it is characterized in that: comprise the folded battle array of first semiconductor laser that can send a plurality of first laser beams, can send a plurality of second laser beams the folded battle array of second semiconductor laser, be used for that a plurality of first laser beams and a plurality of second laser beam are carried out mutual plug hole and arrange the beam merging apparatus that closes bundle; Said beam merging apparatus is for closing the bundle element; The said bundle element that closes is provided with a plurality of echo areas and a plurality of transmission area; Echo area and transmission area alternately, these echo areas are corresponding one by one with said a plurality of first laser beams, these transmission areas are corresponding one by one with said a plurality of second laser beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203572574U CN202260120U (en) | 2011-09-22 | 2011-09-22 | Plug-in-arrangement beam-combination high-power semiconductor laser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203572574U CN202260120U (en) | 2011-09-22 | 2011-09-22 | Plug-in-arrangement beam-combination high-power semiconductor laser |
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|---|---|
| CN202260120U true CN202260120U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203572574U Expired - Fee Related CN202260120U (en) | 2011-09-22 | 2011-09-22 | Plug-in-arrangement beam-combination high-power semiconductor laser |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106980180A (en) * | 2017-05-08 | 2017-07-25 | 中国科学院长春光学精密机械与物理研究所 | A kind of beam merging apparatus and preparation method thereof |
| CN111384668A (en) * | 2018-12-29 | 2020-07-07 | Tcl集团股份有限公司 | Laser light source module and laser projection system |
-
2011
- 2011-09-22 CN CN2011203572574U patent/CN202260120U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106980180A (en) * | 2017-05-08 | 2017-07-25 | 中国科学院长春光学精密机械与物理研究所 | A kind of beam merging apparatus and preparation method thereof |
| CN106980180B (en) * | 2017-05-08 | 2019-06-11 | 中国科学院长春光学精密机械与物理研究所 | A kind of beam merging apparatus and preparation method thereof |
| CN111384668A (en) * | 2018-12-29 | 2020-07-07 | Tcl集团股份有限公司 | Laser light source module and laser projection system |
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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: 20120530 Termination date: 20170922 |
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| CF01 | Termination of patent right due to non-payment of annual fee |