CN204760734U - Second harmonic generation crystal support among high power solid laser - Google Patents
Second harmonic generation crystal support among high power solid laser Download PDFInfo
- Publication number
- CN204760734U CN204760734U CN201520463767.8U CN201520463767U CN204760734U CN 204760734 U CN204760734 U CN 204760734U CN 201520463767 U CN201520463767 U CN 201520463767U CN 204760734 U CN204760734 U CN 204760734U
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- frequency
- base plate
- supporting bracket
- doubling crystal
- guide pillar
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- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
The utility model discloses a second harmonic generation crystal support among high power solid laser, including base and second harmonic generation crystal fixed block, the base includes the bottom plate that a level set up, and surface vertical is connected with three piece at least guide pillars that are not in same row on the bottom plate, and the top of bottom plate is provided with the backup pad that the lot is on a parallel with the bottom plate, and this backup pad is slided through the guide pin bushing and is cup jointed on the guide pillar, fixed surface is connected with two supports on the bottom plate, and rotate between two supports and be provided with a pivot that is on a parallel with the backup pad, the pivot is located between bottom plate and the backup pad, fixed at least one cam that is provided with in the pivot, and the cam offsets with the bottom surface of backup pad, the one end of pivot is connected with driving motor, second harmonic generation crystal fixed block fixed connection is at the backup pad upper surface. The utility model discloses a realize the light path relative movement of second harmonic generation crystal and base frequency light to reduce the base frequency time of light struck on the second harmonic generation crystal is same, prolong the life of second harmonic generation crystal.
Description
Technical field
The utility model relates to the frequency-doubling crystal support in the frequency-doubling crystal support, particularly high power solid state laser in a kind of laser.
Background technology
After the fundamental frequency light that high power solid state laser excites penetrates frequency-doubling crystal, obtain frequency doubled light, the frequency of frequency doubled light and power are all lower than fundamental frequency light, and the quality of frequency doubled light and power depend on the self attributes of frequency-doubling crystal and the control to frequency-doubling crystal using method.The self attributes of frequency-doubling crystal is determined by crystal itself, and not by ectocine, before not having new more high performance frequency-doubling crystal appearance, external environment condition and the using method of improving, optimize frequency-doubling crystal become the Main Means improving frequency doubled light power and quality.
In order to improve the power of frequency doubled light, conventional means adopts the method for strong-focusing to be radiated at power on frequency-doubling crystal to improve fundamental frequency light, this method substantially increases the heat per unit area that when laser enters frequency-doubling crystal, plane of crystal bears, frequency-doubling crystal in the process of frequency multiplication is easily damaged, form crystal bad point, thus the stability of the frequency multiplication destroyed, shorten the useful life of crystal.
Utility model content
Technical problem to be solved in the utility model is: provide the frequency-doubling crystal support in a kind of high power solid state laser enough extending frequency-doubling crystal useful life.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the frequency-doubling crystal support in high power solid state laser, comprise base and be fixed on the frequency-doubling crystal fixed block on base, frequency-doubling crystal fixed block is horizontally disposed with crystal fixing hole, frequency-doubling crystal is arranged in crystal fixing hole, it is characterized in that, described base comprises one piece of horizontally disposed base plate, plate upper surface is vertically connected with the guide pillar that at least three are not in same row, the top of base plate is provided with the supporting bracket that a piece is parallel to base plate, this supporting bracket is fixedly installed the guide pin bushing corresponding with each guide pillar, described supporting bracket is slidably socketed on guide pillar by guide pin bushing, described plate upper surface is fixedly connected with two supports, two stands lays respectively at supporting bracket both sides, rotate between two stands and be provided with the rotating shaft that is parallel to supporting bracket, described rotating shaft is between base plate and supporting bracket, rotating shaft is fixedly installed at least one cam, the bottom surface of cam and supporting bracket offsets, one end of described rotating shaft is connected with drive motors, described frequency-doubling crystal fixed block is fixedly connected on support plate upper surface.
Preferably, be also provided with several extension springs between described supporting bracket and described base plate, extension spring one end is connected with supporting bracket, and the other end is connected with base plate.
Preferably, one piece of relative resonant panel parallel with supporting bracket is also provided with between described rotating shaft and base plate, this resonant panel is provided with and each guide pillar through hole one to one, through hole internal fixtion is provided with the guide pin bushing matched with guide pillar, described resonant panel is slidably connected on guide pillar by guide pin bushing, several extension springs are provided with between resonant panel and supporting bracket, extension spring one end is connected with supporting bracket, the other end is connected with resonant panel, described resonant panel and supporting bracket, under the pulling force effect of extension spring, offset with cam respectively.
Preferably, described cam revolving center is less than the vertical height of crystal fixing hole to the longest distance of cam edge and the difference of beeline.
Preferably, described guide pillar has four, is symmetricly set on the both sides of rotating shaft respectively, and described cam has two, is symmetricly set on the both sides of supporting bracket respectively, and the quantity of described extension spring is consistent with guide pillar quantity, and is arranged on correspondingly respectively near each guide pillar.
Preferably, described cam is oval.
Preferably, the below of described base plate is provided with one piece of substrate, the upper surface of this substrate has been horizontally disposed with a slide rail, the bearing of trend of this slide rail is perpendicular to the axis direction of crystal fixing hole, base plate can slidably reciprocate along the bearing of trend of slide rail, one that substrate is positioned at slide rail is provided with a telescope motor, the output shaft of this telescope motor is parallel to slide rail, output shaft end is towards base plate, and offset with the side of base plate, the both sides of telescope motor are respectively arranged with the spring stop that be vertically connected to upper surface of base plate on relative with base plate, described base plate is connected on spring stop by extension spring.
The beneficial effects of the utility model are: the frequency-doubling crystal support in above-mentioned high power solid state laser in use, drive motors is slowly rotated by rotating shaft band moving cam, actuated by cams supporting bracket moves up and down along guide pillar, frequency-doubling crystal fixed block and fixing frequency-doubling crystal are within it followed supporting bracket and are moved up and down, realize the light path relative movement of frequency-doubling crystal and fundamental frequency light, thus minimizing fundamental frequency light is radiated at the time on the same point of frequency-doubling crystal, so just can reduce the heat that frequency-doubling crystal unit are produces because of fundamental frequency light Continuous irradiation, the useful life of effective prolongation frequency-doubling crystal.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of the utility model;
Fig. 2 is the structural representation of the utility model the second embodiment.
In Fig. 1 and Fig. 2: 1, base, 2, frequency-doubling crystal fixed block, 3, crystal fixing hole, 4, frequency-doubling crystal, 5, base plate, 6, guide pillar, 7, supporting bracket, 8, guide pin bushing, 9, support, 10, rotating shaft, 11, cam, 12, drive motors, 13, extension spring, 14, resonant panel, 15, through hole, 16, substrate, 17, slide rail, 18, chute, 19, telescope motor, 20, spring stop.
Embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present utility model in detail.
Frequency-doubling crystal support in high power solid state laser as shown in Figure 1, the frequency-doubling crystal fixed block 2 comprising base 1 and be fixed on base 1, frequency-doubling crystal fixed block 2 is horizontally disposed with crystal fixing hole 3, frequency-doubling crystal 4 is arranged in crystal fixing hole 3, it is characterized in that, described base 1 comprises one piece of horizontally disposed base plate 5, base plate 5 upper surface is vertically connected with the guide pillar 6 that at least three are not in same row, the top of base plate 5 is provided with the supporting bracket 7 that a piece is parallel to base plate 5, this supporting bracket 7 is fixedly installed the guide pin bushing 8 corresponding with each guide pillar 6, described supporting bracket 7 is slidably socketed on guide pillar 6 by guide pin bushing 8, described base plate 5 upper surface is fixedly connected with two supports 9, two stands 9 lays respectively at supporting bracket 7 both sides, rotate between two stands 9 and be provided with the rotating shaft 10 that is parallel to supporting bracket 7, described rotating shaft 10 is between base plate 5 and supporting bracket 7, rotating shaft 10 is fixedly installed at least one cam 11, cam 11 offsets with the bottom surface of supporting bracket 7, one end of described rotating shaft 10 is connected with drive motors 12, described frequency-doubling crystal fixed block 2 is fixedly connected on supporting bracket 7 upper surface.
Frequency-doubling crystal support in above-mentioned high power solid state laser in use, drive motors 12 is with moving cam 11 slowly to rotate by rotating shaft 10, cam 11 drives supporting bracket 7 to move up and down along guide pillar 6, frequency-doubling crystal fixed block 2 and fixing frequency-doubling crystal 4 are within it followed supporting bracket 7 and are moved up and down, realize the light path relative movement of frequency-doubling crystal 4 and fundamental frequency light, thus minimizing fundamental frequency light is radiated at the time on the same point of frequency-doubling crystal 4, so just can reduce the heat that frequency-doubling crystal 4 unit are produces because of fundamental frequency light Continuous irradiation, the useful life of effective prolongation frequency-doubling crystal 4.In addition, utilize cam 11 to drive supporting bracket 7 to move up and down along guide pillar 6, there are not cumulative errors.
Also be provided with several extension springs 13 between described supporting bracket 7 and described base plate 5, extension spring 13 one end is connected with supporting bracket 7, and the other end is connected with base plate 5.Extension spring 13 can guarantee that supporting bracket 7 and cam 11 offset, and guarantees that frequency-doubling crystal fixed block 2 stably moves up and down.
As shown in Figure 2, one piece of relative resonant panel 14 parallel with supporting bracket 7 is also provided with between described rotating shaft 10 and base plate 5, this resonant panel 14 is provided with and each guide pillar through hole 15 one to one, through hole 15 internal fixtion is provided with the guide pin bushing 8 matched with guide pillar 6, described resonant panel 14 is slidably connected on guide pillar 6 by guide pin bushing 8, several extension springs 13 are provided with between resonant panel 14 and supporting bracket 7, extension spring 13 one end is connected with supporting bracket 7, the other end is connected with resonant panel 14, described resonant panel 14 and supporting bracket 7, under the pulling force effect of extension spring 13, offset with cam 11 respectively.Resonant panel 14 can facilitate the installation of extension spring 13.
Described cam 11 center of rotation is less than the vertical height of crystal fixing hole 3 to the longest distance at cam 11 edge and the difference of beeline.Like this, the amplitude that moves up and down of frequency-doubling crystal will be less than the vertical height of frequency-doubling crystal, when frequency-doubling crystal is when moving up and down, can ensure that fundamental frequency light can be radiated on frequency-doubling crystal all the time.
Described guide pillar 6 has four, is symmetricly set on the both sides of rotating shaft 10 respectively, and described cam 11 has two, is symmetricly set on the both sides of supporting bracket 7 respectively, and the quantity of described extension spring 13 is consistent with guide pillar 6 quantity, and is arranged on correspondingly respectively near each guide pillar 6.Such structure makes supporting bracket 7 more stable along the slip of guide pillar 6.
Described cam 11 is oval.Oval cam 11 can be more steady when rotating, and is conducive to the stable movement of frequency-doubling crystal fixed block 2.
As Fig. 1, shown in Fig. 2, the below of described base plate 5 is provided with one piece of substrate 16, the upper surface of this substrate 16 has been horizontally disposed with a slide rail 17, the bearing of trend of this slide rail 17 is perpendicular to the axis direction of crystal fixing hole 3, base plate 5 can slidably reciprocate along the bearing of trend of slide rail 17, one that substrate 16 is positioned at slide rail 17 is provided with a telescope motor 19, the output shaft of this telescope motor 19 is parallel to slide rail 17, output shaft end is towards base plate 5, and offset with the side of base plate 5, the both sides of telescope motor 19 are respectively arranged with the spring stop 20 that be vertically connected to substrate 16 upper surface on relative with base plate 5, described base plate 5 is connected on spring stop 20 by extension spring 13.In time starting telescope motor 19, the output shaft end of telescope motor 19 promotes base plate 5 and slides to the direction away from telescope motor 19 along slide rail 17, when the output shaft of telescope motor 19 is retracted, base plate 5 is retracted original position by extension spring 13, and keeps offseting with the output shaft end of telescope motor 19.
Operation principle of the present utility model is: in high power solid state laser use procedure, rotate separately through drive motors 12 drive shaft 10, rotating shaft 10 is with moving cam 11 to rotate, cam 11 drives supporting bracket 7 to move up and down along guide pillar 6, realize that frequency-doubling crystal 4 is relative with the light path of fundamental frequency light to be vertically moved, or drive base plate 5 to move around along slide rail 17 separately through telescope motor 19, realize frequency-doubling crystal 4 transverse shifting relative to the light path of fundamental frequency light, or jointly realize crystal 4 frequently by drive motors 12 and telescope motor 19 to move relative to horizontal and vertical compound with the light path of fundamental frequency light, avoid because fundamental frequency light is radiated at for a long time on the same point of frequency-doubling crystal 4 and make frequency-doubling crystal 4 occur bad point, in actual use, drive motors 12 and the sustainable running of telescope motor 19, frequency-doubling crystal 4 is driven ceaselessly to move, realize the technical goal extending frequency-doubling crystal 4 useful life.
Claims (7)
1. the frequency-doubling crystal support in high power solid state laser, comprise base (1) and be fixed on the frequency-doubling crystal fixed block (2) on base (1), frequency-doubling crystal fixed block (2) is horizontally disposed with crystal fixing hole (3), frequency-doubling crystal (4) is arranged in crystal fixing hole (3), it is characterized in that, described base (1) comprises one piece of horizontally disposed base plate (5), base plate (5) upper surface is vertically connected with the guide pillar (6) that at least three are not in same row, the top of base plate (5) is provided with the supporting bracket (7) that a piece is parallel to base plate (5), this supporting bracket (7) is fixedly installed the guide pin bushing (8) corresponding with each guide pillar (6), described supporting bracket (7) is slidably socketed on guide pillar (6) by guide pin bushing (8), described base plate (5) upper surface is fixedly connected with two supports (9), two stands (9) lays respectively at supporting bracket (7) both sides, rotate between two stands (9) and be provided with the rotating shaft (10) that is parallel to supporting bracket (7), described rotating shaft (10) is positioned between base plate (5) and supporting bracket (7), rotating shaft (10) is fixedly installed at least one cam (11), cam (11) offsets with the bottom surface of supporting bracket (7), one end of described rotating shaft (10) is connected with drive motors (12), described frequency-doubling crystal fixed block (2) is fixedly connected on supporting bracket (7) upper surface.
2. the frequency-doubling crystal support in high power solid state laser according to claim 1, it is characterized in that, several extension springs (13) are also provided with between described supporting bracket (7) and described base plate (5), extension spring (13) one end is connected with supporting bracket (7), and the other end is connected with base plate (5).
3. the frequency-doubling crystal support in high power solid state laser according to claim 1, it is characterized in that, one piece of relative resonant panel (14) parallel with supporting bracket (7) is also provided with between described rotating shaft (10) and base plate (5), this resonant panel (14) is provided with and each guide pillar through hole (15) one to one, through hole (15) internal fixtion is provided with the guide pin bushing (8) matched with guide pillar (6), described resonant panel (14) is slidably connected on guide pillar (6) by guide pin bushing (8), several extension springs (13) are provided with between resonant panel (14) and supporting bracket (7), extension spring (13) one end is connected with supporting bracket (7), the other end is connected with resonant panel (14), described resonant panel (14) and supporting bracket (7) are under the pulling force effect of extension spring (13), offset with cam (11) respectively.
4. according to the frequency-doubling crystal support in the high power solid state laser one of claims 1 to 3 Suo Shu, it is characterized in that, described cam (11) center of rotation is less than the vertical height of crystal fixing hole (3) to the longest distance at cam (11) edge and the difference of beeline.
5. the frequency-doubling crystal support in high power solid state laser according to claim 4, it is characterized in that, described guide pillar (6) has four, be symmetricly set on the both sides of rotating shaft (10) respectively, described cam (11) has two, be symmetricly set on the both sides of supporting bracket (7) respectively, the quantity of described extension spring (13) is consistent with guide pillar (6) quantity, and is arranged on correspondingly respectively near each guide pillar (6).
6. the frequency-doubling crystal support in high power solid state laser according to claim 5, is characterized in that, described cam (11) is oval.
7. the frequency-doubling crystal support in high power solid state laser according to claim 4, it is characterized in that, the below of described base plate (5) is provided with one piece of substrate (16), the upper surface of this substrate (16) has been horizontally disposed with a slide rail (17), the bearing of trend of this slide rail (17) is perpendicular to the axis direction of crystal fixing hole (3), base plate (5) can slidably reciprocate along the bearing of trend of slide rail (17), one that substrate (16) is positioned at slide rail (17) is provided with a telescope motor (19), the output shaft of this telescope motor (19) is parallel to slide rail (17), output shaft end is towards base plate (5), and offset with the side of base plate (5), the both sides of telescope motor (19) are respectively arranged with the spring stop (20) that be vertically connected to substrate (16) upper surface on relative with base plate (5), described base plate (5) is connected on spring stop (20) by extension spring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520463767.8U CN204760734U (en) | 2015-07-01 | 2015-07-01 | Second harmonic generation crystal support among high power solid laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520463767.8U CN204760734U (en) | 2015-07-01 | 2015-07-01 | Second harmonic generation crystal support among high power solid laser |
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| Publication Number | Publication Date |
|---|---|
| CN204760734U true CN204760734U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520463767.8U Withdrawn - After Issue CN204760734U (en) | 2015-07-01 | 2015-07-01 | Second harmonic generation crystal support among high power solid laser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966980A (en) * | 2015-07-01 | 2015-10-07 | 苏州紫光伟业激光科技有限公司 | Frequency doubling crystal holder in high power solid laser |
-
2015
- 2015-07-01 CN CN201520463767.8U patent/CN204760734U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966980A (en) * | 2015-07-01 | 2015-10-07 | 苏州紫光伟业激光科技有限公司 | Frequency doubling crystal holder in high power solid laser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151111 Effective date of abandoning: 20171128 |