CN101471529A - Device for adjusting laser pump light - Google Patents
Device for adjusting laser pump light Download PDFInfo
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- CN101471529A CN101471529A CNA200710305077XA CN200710305077A CN101471529A CN 101471529 A CN101471529 A CN 101471529A CN A200710305077X A CNA200710305077X A CN A200710305077XA CN 200710305077 A CN200710305077 A CN 200710305077A CN 101471529 A CN101471529 A CN 101471529A
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- adjusting
- pump light
- sliding panel
- adjustment seat
- laser
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Abstract
The invention discloses a laser pumping light adjusting device, which comprises a pumping light module, an optical fiber, at least one collimating lens, a focusing lens and a prism, which are arranged in the laser, and also comprises a rotary plate, a sliding plate, and an adjusting base, wherein the rotary plate is arranged on the bottom plate of the laser; the sliding plate is arranged on the rotary plate; the adjusting base is arranged on the sliding plate through a support; a fixed barrel and a fiber holder are arranged on the adjusting base; an adjusting barrel is arranged outside the fixed barrel; the focusing lens is arranged on the adjusting barrel; and the collimating lens and the prism are respectively arranged on the adjusting base. By adopting the stable adjusting structure, the device can adjust the pumping light of the laser in six dimensionalities accurately and conveniently, and can greatly reduce the entire size of the laser.
Description
[technical field]
The present invention relates to a kind of device for adjusting laser pump light that is used for installing in the double-end pumping laser fibre system.
[technical background]
Development along with laser technology, laser in the application of manufacture field more and more widely, end-pumped laser particularly is owing to it has that pump arrangement is simple, coupling efficiency is high, pump beam and mould coupling in chamber is good, the output laser beam quality is good and threshold pump power is low etc. that advantage gains great popularity.But, owing to be subjected to the thermal stress that thermal effect produced in the crystal can not surpass Nd:YVO
4The restriction of the fracture strength of crystal exists Maximum pumping and power output to be restricted (" Power scaling of diode-pumped Nd:YVO on the unit are of gain media
4Lasers ", IEEE J QuantumElectronics, 2002,38 (9): 1291-1299), so the laser output power of single end face pump is generally all very low, be difficult to satisfy laser processing to the high-power requirement of laser, the double-end pumping laser high as laser power then demonstrated its special advantages.
In the double-end pumping laser, no matter be method (a kind of design that can compensate the high power end pumping Nd:YVO4 laserresonator of thermal effect of adopting the method for double-end pumping monolithic crystal or adopting the two piece crystal of both-end pumping, the photon journal, 2003 (12), 1418-1421), all need pump light is accurately regulated, just can obtain the laser output of high conversion efficiency and high light beam quality.But the debugging of pump light is very inconvenient in the double-end pumping laser all the time, is because the secured adjusted frame instability of optical fiber on the one hand; Then limited on the other hand by the maximum deflection that optical fiber allowed, so in certain structures, for reaching the purpose of accurate adjusting, the overall volume that then must increase laser could meet the demands substantially, and total system or assembling, the transportation etc. to laser have all brought inconvenience like this.If but do not use Optical Fiber Transmission, and directly adopt the solution that the pump light module is connected with mechanical device, then can influence laser power and laser output mode.About pump light is necessary to carry out as required in addition, up and down, front and back and α angle, the β angle, the γ angle is the adjusting of six-freedom degree direction altogether, the general adjustable degree of freedom of traditional adjustment structure is less, as open day being that the patent No. that the name on January 19th, 2000 is called " two dimension is rotated the fine setting adjustment rack " is that its disclosed optical adjusting frame of patent of 99225687.9 can be adjusted the α angle, the β angle open day was that the patent No. that the name on March 1st, 2000 is called " the differential adjustable stand for precision optics mechanics of passive type " is about its disclosed optical adjusting frame of patent of 99225685.2 can be adjusted, two of in-plane degrees of freedom up and down.And open day be the name on October 1st, 2003 be called " universal joint fine setting adjustment rack " though the patent No. be the adjustment that its disclosed adjustment rack of patent of 02260943.1 can be finished α angle, β angle, γ angle three degree of freedom direction simultaneously, but because the randomness of its adjustment is bigger, it is convenient inadequately to be applied to adjust in the laser.
[summary of the invention]
In order to solve deficiency of the prior art, the invention provides and a kind ofly can be reliablely and stablely under the situation that does not make fibre-optical bending substantially carry out the sextuple device for adjusting laser pump light of regulating, and can reach and significantly reduce the integrally-built purpose of laser the pump light degree of freedom.
The present invention solves the technical scheme that the prior art problem adopted: a kind of device for adjusting laser pump light, comprise the pump light module that is installed in the laser, optical fiber, and at least one collimating mirror (3), one focus lamp (6), one prism (4), described adjusting device comprises swivel plate (8), sliding panel (9), adjustment seat (11), swivel plate (8) is installed on the laser base board, sliding panel (9) is slidingly mounted on the swivel plate (8), adjustment seat (11) is installed on the sliding panel (9) by a pillar (20), described adjustment seat (11) goes up installs a stationary magazine creel (13) and an optical fibre frame (12), the outer adjusting tube (14) of installing of stationary magazine creel (13), described focus lamp (6) is installed in to be regulated on the tube (14), and described collimating mirror (3) and prism (4) are installed in respectively on the adjustment seat (11).
According to a preferred embodiment of the invention: described adjusting device also comprises an outside holding device (7), described swivel plate (8) upper surface has a long groove, sliding panel (9) lower surface correspondence is established a boss and is matched with elongated slot, and outside holding device (7) can be stirred sliding panel (9).
According to a preferred embodiment of the invention: described adjusting device also comprises a bearing pin (10), and a round slot bore is arranged at described swivel plate (8) bottom, described bearing pin (10) and round slot bore interference fits.
According to a preferred embodiment of the invention: described adjustment seat (11) comprises adjustable plate (19) and at least one adjusting knob pair (21), and described pillar (20) passes adjustable plate (19) and combines with sliding panel (9).
According to a preferred embodiment of the invention: described adjusting knob pair (21) comprises two, pillar (20) is arranged with the rectangular triangle of two adjusting knob pairs (21), pillar (20) is installed on the intersection point place of two right-angle sides, and two adjusting knob pairs (21) are installed on the other end of two right-angle sides respectively.
According to a preferred embodiment of the invention: described adjustment seat (11) also comprises spring (22), stretching screw (23), and stretching screw (23) passes spring (22) in the middle part of two right-angle sides, passes adjustable plate (19) and combines with sliding panel (9).
According to a preferred embodiment of the invention: described adjustment seat (11) also comprises pad jin (24), lock-screw (25), lock-screw (25) passes pad (24) and encloses the center in face territory in right-angled triangle, passes adjustable plate (19) and is connected in sliding panel (9).
According to a preferred embodiment of the invention: described adjusting device comprises that also one tightens up bar (17), tightens up described prism (4) on adjustment seat (11).
According to a preferred embodiment of the invention: described stationary magazine creel (13) adopts holding screws (18) to tighten up with adjusting tube (14).
According to a preferred embodiment of the invention: described stationary magazine creel (13) is an interference fits with regulating tube (14), and described stationary magazine creel (13) one ends are installed a trim ring (15), and a mirror trim ring (16) is installed in described adjusting tube (14) end.
For prior art, the invention has the beneficial effects as follows: the optical fiber that length can suitably be selected links to each other with reliable and stable adjusting bracket, can regulate effectively the pump light that comes out from optical fiber by adjusting device and focus lamp, and can carry out 6 DOF to the pump light degree of freedom and regulate, make easy to adjust, reliable, efficient; In addition, because of this installs suitably selecting the pump light module can be put any clear position place in laser under the situation of optical fiber length, significantly reduce the integrally-built purpose of laser thereby reach.
[description of drawings]
Fig. 1 is the structural representation of a kind of device for adjusting laser pump light of the present invention.
Fig. 2 is the optical transmission schematic diagram of a kind of device for adjusting laser pump light of the present invention.
Fig. 3 is the structural representation of the adjusting device of a kind of device for adjusting laser pump light of the present invention.
Fig. 4 is the structural representation of the adjustment seat of a kind of device for adjusting laser pump light of the present invention.
[embodiment]
As shown in Figure 1, the device for adjusting laser pump light of the present invention regulating system that mainly comprises pump light module 1, optical fiber 2 and link to each other with optical fiber 2 and can regulate the pump light that comes out from optical fiber 2.The present invention is suitably selecting pump light module 1 can be put any clear position place in laser under the situation of optical fiber 2 length.
As shown in Figure 1 and Figure 2, apparatus of the present invention comprise pump light module 1, optical fiber 2, collimating mirror 3, prism 4, adjusting device 5, focus lamp 6, outside holding device 7.Collimating mirror 3, focus lamp 6 and prism 4 are separately fixed on the adjusting device 5.Prism 4 is 90 degree, and is coated with reflective coating on its 90 degree right-angle side.Pump light from 1 output of pump light module is transferred to collimating mirror 3 through optical fiber 2, and the pump light behind collimating mirror 3 collimations is under the leaded light effect of prism 4, and its transmission direction turnback arrives focus lamp 6 then, and its light signal as shown in Figure 2.
Next as shown in Figure 3, Figure 4, described adjusting device 5 comprises swivel plate 8, sliding panel 9, bearing pin 10, adjustment seat 11.Swivel plate 8 is installed on laser base board with bearing pin 10; Sliding panel 9 links with the upper surface of swivel plate 8, swivel plate 8 upper surfaces have a long groove (not shown), and sliding panel 9 lower surfaces have a boss to match with its elongated slot, stir sliding panel 9 by outside holding device 7 and can realize left and right directions motion adjusting, sliding panel 9 slidable adjustment rear threads are fastened at swivel plate 8, and swivel plate 8 rotates the adjusting rear thread and is fastened at laser base board.Adjustment seat 11 is installed on the sliding panel 9, and as shown in Figure 4, described adjustment seat 11 comprises adjustable plate 19, pillar 20, adjusting knob pair 21, spring 22, stretching screw 23, pad 24, lock-screw 25.Pillar 20 is arranged with the secondary 21 rectangular triangles of adjusting knob, and pillar 20 is installed on the intersection point place of two right-angle sides, and two adjusting knob pairs 21 are installed on the other end of two right-angle sides respectively; Spring 22 matches with stretching screw 23 and is installed on the middle part of two right-angle sides, and pad 24 matches with lock-screw 25 and is installed on the center that right-angled triangle encloses the face territory.Lock-screw 25 pass pad 24 and adjustable plate 19 by thread connection in sliding panel 9, make both fixing each other.
In addition, as shown in Figure 4, also comprise first hole 31, second hole 32 on the adjustment seat 11 at a distance of setpoint distance.Simultaneously as shown in Figure 3, in first hole 31 collimating mirrors 3 are installed, are adopted the mirror trim ring that it is tightened up, and corresponding first hole 31 installs optical fibre frame 12 in outer surface, and make optical fibre frame 12 coaxial with this first hole 31, optical fiber 2 is installed on this optical fibre frame 12.One stationary magazine creel 13 passes second hole 32 of adjustment seat 11 and uses tube trim ring 15 to be fixed, and stationary magazine creel 13 outsides are installed and regulated tube 14, and focus lamp 6 is installed on by mirror trim ring 16 and regulates tube 14 1 end inboards.Prism 4 is installed on the adjustment seat 11 by tightening up bar 17.
Bright fit adjustment device 5 of the present invention and focus lamp 6 just can change the position of pump light focus point, thereby obtain the purpose of the laser output of high conversion efficiency and high light beam quality.In laser, shared locus maximum when pump light module, optical fiber, collimation and focus lamp are a straight line and place.The present invention uses prism 4 with pump light turnover 180 degree, makes pump light module, optical fiber, the parallel placement with focus lamp of collimating mirror, thereby can greatly reduce the laser volume under the situation that optical fiber is bent.
The characteristics of a kind of device for adjusting laser pump light of the present invention are as follows:
The first, collimating mirror 3, focus lamp 6, optical fiber 2 firmly are installed on the adjusting device 5.Optical fiber 2 joins with optical fibre frame 12 and is fixed on the adjustment seat 11 of adjusting device 5.Therefore, adjusting bracket maintains static, and is beneficial to the adjusting to pump light, and optical fiber 2 can be selected random length.
The second, collimating mirror 3 is installed on the adjustment seat 11 by the mirror trim ring, and focus lamp 6 is installed on by mirror trim ring 16 and regulates on the tube 14, and prism 4 is installed on the adjustment seat 11 by tightening up bar 17; Optical component is arranged compact, and the volume of whole laser is greatly reduced.
The 3rd, apparatus of the present invention realized on the horizontal direction about, the three-dimensional motion of front and back, the above-below direction degree of freedom regulates.Swivel plate 8 upper surfaces have a long groove, and sliding panel 9 lower surfaces have a boss to match with its elongated slot, stir sliding panel 9 by outside holding device 7 and can realize left and right directions motion adjusting, and adjusting can closely be fixed in sliding panel 9 on the swivel plate 8 after finishing.Stationary magazine creel 13 be an interference fits with regulating tube 14, thereby regulates tube 14 and just can change the position of focus point in focusing on medium and realized the fore-and-aft direction adjusting of moving in a sense by moving forward and backward; Pillar 20 and adjusting knob pair 21 to same direction rotation same distance with adjusting highly, can realize that thus the motion of adjustable plate 19 and sliding panel 9 above-below directions is regulated simultaneously.
The 4th, apparatus of the present invention have realized that the three-dimensional motion of α angle, β angle, γ angle three beat directions regulates.When by adjustable fixing 20 with after reaching desired height, pillar 20 is fixing, stretching screw 23 matched with spring 22 and was installed on right-angle side middle part and maintenance effect by regulating knob pair 21 on two right-angle sides and can realize around left and right shifting axle respectively and moving forward and backward axial rotation this moment.And bearing pin 10 is installed on the laser cavity bottom surface, and round slot bore interference fits is with it arranged at swivel plate 8 bottoms simultaneously, can realize around moving up and down axial rotation by finely tuning outside holding device 7.
The 5th, apparatus of the present invention are locked all directions degree of freedom.Stationary magazine creel 13 adopts holding screws 18 to tighten up with adjusting tube 14.Lock-screw 25 pass pad 24 and adjustable plate 19 by thread connection in sliding panel 9, make both fixing each other.Sliding panel 9 slidable adjustment rear threads are fastened at swivel plate 8, and swivel plate 8 rotates the adjusting rear thread and is fastened at laser base board.
In sum: this device can greatly reduce the laser volume under the situation that optical fiber is bent, and has realized that according to actual optical demands one 6 DOF is the meticulous adjusting of the full degree of freedom simultaneously, and optics is positioned over wherein and integral body is locked.In addition, swivel plate 8, sliding panel 9, adjustable plate 19, pillar 20, adjusting knob pair 21 are selected on-deformable stainless steel material for use.Tighten up bar 17 and select elasticity POM material preferably for use.
Claims (10)
1. device for adjusting laser pump light, comprise the pump light module that is installed in the laser, optical fiber, and at least one collimating mirror (3), one focus lamp (6), one prism (4), it is characterized in that: described adjusting device comprises swivel plate (8), sliding panel (9), adjustment seat (11), swivel plate (8) is installed on the laser base board, sliding panel (9) is slidingly mounted on the swivel plate (8), adjustment seat (11) is installed on the sliding panel (9) by a pillar (20), described adjustment seat (11) goes up installs a stationary magazine creel (13) and an optical fibre frame (12), the outer adjusting tube (14) of installing of stationary magazine creel (13), described focus lamp (6) is installed in to be regulated on the tube (14), and described collimating mirror (3) and prism (4) are installed in respectively on the adjustment seat (11).
2. device for adjusting laser pump light as claimed in claim 1, it is characterized in that: described adjusting device also comprises an outside holding device (7), described swivel plate (8) upper surface has a long groove, sliding panel (9) lower surface correspondence is established a boss and is matched with elongated slot, and outside holding device (7) can be stirred sliding panel (9).
3. device for adjusting laser pump light as claimed in claim 2 is characterized in that: described adjusting device also comprises a bearing pin (10), and a round slot bore is arranged at described swivel plate (8) bottom, described bearing pin (10) and round slot bore interference fits.
4. as claim 2 or 3 described device for adjusting laser pump light, it is characterized in that: described adjustment seat (11) comprises adjustable plate (19) and at least one adjusting knob pair (21), and described pillar (20) passes adjustable plate (19) and combines with sliding panel (9).
5. device for adjusting laser pump light as claimed in claim 4, it is characterized in that: described adjusting knob pair (21) comprises two, pillar (20) is arranged with the rectangular triangle of two adjusting knob pairs (21), pillar (20) is installed on the intersection point place of two right-angle sides, and two adjusting knob pairs (21) are installed on the other end of two right-angle sides respectively.
6. device for adjusting laser pump light as claimed in claim 5, it is characterized in that: described adjustment seat (11) also comprises spring (22), stretching screw (23), stretching screw (23) passes spring (22) in the middle part of two right-angle sides, passes adjustable plate (19) and combines with sliding panel (9).
7. device for adjusting laser pump light as claimed in claim 6, it is characterized in that: described adjustment seat (11) also comprises pad (24), lock-screw (25), lock-screw (25) passes pad (24) and encloses the center in face territory in right-angled triangle, passes adjustable plate (19) and is connected in sliding panel (9).
8. device for adjusting laser pump light as claimed in claim 1 is characterized in that: described adjusting device comprises that also one tightens up bar (17), tightens up described prism (4) on adjustment seat (11).
9. device for adjusting laser pump light as claimed in claim 1 is characterized in that: described stationary magazine creel (13) adopts holding screws (18) to tighten up with adjusting tube (14).
10. device for adjusting laser pump light as claimed in claim 9, it is characterized in that: described stationary magazine creel (13) is an interference fits with regulating tube (14), described stationary magazine creel (13) one ends are installed a trim ring (15), and a mirror trim ring (16) is installed in described adjusting tube (14) end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710305077XA CN101471529B (en) | 2007-12-26 | 2007-12-26 | Device for adjusting laser pump light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710305077XA CN101471529B (en) | 2007-12-26 | 2007-12-26 | Device for adjusting laser pump light |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101471529A true CN101471529A (en) | 2009-07-01 |
| CN101471529B CN101471529B (en) | 2010-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710305077XA Expired - Fee Related CN101471529B (en) | 2007-12-26 | 2007-12-26 | Device for adjusting laser pump light |
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| Country | Link |
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| CN (1) | CN101471529B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183384A (en) * | 2018-02-09 | 2018-06-19 | 武汉晟诺仪器科技有限公司 | The laser beam multidimensional precision adjustment unit of integrated active heat radiation structure |
| CN113136959A (en) * | 2021-04-14 | 2021-07-20 | 武汉市云宇智能科技有限责任公司 | Multi-dimensional connecting mechanism |
| CN114256727A (en) * | 2021-12-14 | 2022-03-29 | 安徽光智科技有限公司 | Laser pumping light adjusting structure |
| CN114378425A (en) * | 2020-10-15 | 2022-04-22 | 深圳市大族数控科技股份有限公司 | Laser processing equipment and vibrating mirror installation method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2303309Y (en) * | 1997-08-20 | 1999-01-06 | 中国科学院安徽光学精密机械研究所 | Simple type three-D optical fiber regulation frame |
| CN2656941Y (en) * | 2003-11-12 | 2004-11-17 | 浙江大学 | Hexa dimensional optical fiber collimating apparatus array aligning regulating device |
| CN2864727Y (en) * | 2005-11-03 | 2007-01-31 | 中国科学院安徽光学精密机械研究所 | Two-dimensional precision optical regulating rack |
-
2007
- 2007-12-26 CN CN200710305077XA patent/CN101471529B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183384A (en) * | 2018-02-09 | 2018-06-19 | 武汉晟诺仪器科技有限公司 | The laser beam multidimensional precision adjustment unit of integrated active heat radiation structure |
| CN114378425A (en) * | 2020-10-15 | 2022-04-22 | 深圳市大族数控科技股份有限公司 | Laser processing equipment and vibrating mirror installation method |
| CN113136959A (en) * | 2021-04-14 | 2021-07-20 | 武汉市云宇智能科技有限责任公司 | Multi-dimensional connecting mechanism |
| CN114256727A (en) * | 2021-12-14 | 2022-03-29 | 安徽光智科技有限公司 | Laser pumping light adjusting structure |
| CN114256727B (en) * | 2021-12-14 | 2024-05-03 | 安徽光智科技有限公司 | Laser pumping light adjusting structure |
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| Publication number | Publication date |
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| CN101471529B (en) | 2010-11-10 |
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Address after: 518051 Dazu laser building, 9 new West Road, North Nanshan District high tech park, Shenzhen, Guangdong Patentee after: HANS LASER TECHNOLOGY INDUSTRY GROUP CO., LTD. Address before: No. 5 road 518057 in Guangdong province Shenzhen city Nanshan District high tech park of Pine Hill Factory District No. 8 Patentee before: Dazu Laser Sci. & Tech. Co., Ltd., Shenzhen |
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Granted publication date: 20101110 Termination date: 20201226 |