CN205622034U - Second harmonic generation crystal fixing device in laser instrument - Google Patents
Second harmonic generation crystal fixing device in laser instrument Download PDFInfo
- Publication number
- CN205622034U CN205622034U CN201620467636.1U CN201620467636U CN205622034U CN 205622034 U CN205622034 U CN 205622034U CN 201620467636 U CN201620467636 U CN 201620467636U CN 205622034 U CN205622034 U CN 205622034U
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- China
- Prior art keywords
- frequency
- doubling crystal
- temperature
- support
- seat
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- Expired - Fee Related
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Abstract
The utility model discloses a second harmonic generation crystal fixing device in laser instrument, including support and fixed mounting the second harmonic generation crystal fixing base on support of fixed connection on the laser base board, be provided with a temperature regulation apparatus between second harmonic generation crystal fixing base and the support, temperature regulation apparatus include an electrical heating piece and two respectively attached about the electrical heating piece insulation board on two sides, two insulation boards are hugged closely with support and second harmonic generation crystal fixing base respectively, be provided with the temperature sensor who measures second harmonic generation crystal fixing base temperature on the second harmonic generation crystal fixing base, temperature sensor and temperature regulation apparatus are connected with the temperature control system electricity jointly. Through be provided with a temperature regulation apparatus between second harmonic generation crystal fixing base and support, control the temperature of fixing base, through the fixing base with temperature conductivity to second harmonic generation crystal to the operating temperature of indirect control second harmonic generation crystal realizes the control to second harmonic generation crystal operating temperature.
Description
Technical field
The utility model belongs to field of lasers, relates to the frequency-doubling crystal fixing device in a kind of laser instrument.
Background technology
In laser instrument, original laser utilizes frequency-doubling crystal to change the frequency of laser self, but frequency-doubling crystal changes
The efficiency (hereinafter referred " efficiency of frequency-doubling crystal) becoming laser frequency is not 100%, the effect of frequency-doubling crystal
The quality of rate and crystal itself, operating temperature and other factors have relation, in traditional laser instrument, generally
By fixing at frequency-doubling crystal, cooling duct is set on seat to realize the cooling to frequency-doubling crystal (for frequency multiplication
The cooling purpose of crystal, frequency-doubling crystal is fixed seat and is generally made up of the metal material of good heat conductivity), it is to avoid times
Frequently crystal temperature after laser irradiates for a long time is too high causes efficiency to reduce, but according to experiment discovery, at low temperature
Under state, the efficiency of frequency-doubling crystal is also unable to reach optimum efficiency, therefore, it is necessary to design one can be right
The frequency-doubling crystal fixing device that the operating temperature of frequency-doubling crystal is controlled.
Utility model content
Technical problem to be solved in the utility model is: provides and a kind of can heat up frequency-doubling crystal
For the frequency-doubling crystal fixing device in laser instrument.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: the frequency multiplication in laser instrument is brilliant
Body fixing device, including the support being fixedly connected on laser base board and the frequency multiplication being fixedly mounted on support
Crystal fixes seat, and described frequency-doubling crystal is fixed and is provided with a temperature-adjusting device between seat and support, described temperature
Degree adjusting means includes one piece of electric heating sheets and two pieces of insulation boards being attached to electric heating sheets upper and lower surface respectively,
Two insulation boards are fixed seat with support and frequency-doubling crystal respectively and are close to, and described frequency-doubling crystal is fixed and is provided with survey on seat
Amount frequency-doubling crystal fixes the temperature sensor of seat temperature, described temperature sensor common with temperature-adjusting device with
Temperature control system electrically connects.
Described electric heating sheets is become array type arrangement to be formed by the many metal cartridges waiting height, all metal cartridges
All some sheet metals by being close on its top insulation board or on bottom insulation plate are connected in series in, and are formed
Article one, single current path.
The resistance of described sheet metal is more than the resistance of metal cartridge.
Described insulation board is silica gel plate.
Described insulation board is fixed seat with support or frequency-doubling crystal and is bonded by thermal conductive adhesive.
Described support includes a L-shaped fixed plate and a L-shaped portable plate, and described fixed plate and portable plate are back-to-back
Ground is hinged by a hinge, is positioned at the fixed plate of hinge side and on face that portable plate fits point
Not being provided with a spring groove, two spring grooves mutually axially misplace, two spring grooves just to part cooperatively form
One spring cavity, has precompressed stage clip along spring groove is axially arranged in spring cavity, and described stage clip is extending across
Journey is ordered about portable plate rotate around hinge relative to fixed plate, another relative with spring groove on described portable plate
Side is provided with a projection to fixed plate projection, projection is provided with a screw thread being parallel to spring cavity and leads to
Hole, is provided with bulb plunger in tapped through hole, described stage clip and bulb plunger lay respectively at the both sides of hinge,
The head of described bulb plunger and fixed plate side offset, and when tightening bulb plunger, portable plate turns around hinge
Dynamic, described frequency-doubling crystal is fixed seat and is fixedly mounted on portable plate.
The beneficial effects of the utility model are: be provided with a temperature between seat and support by fixing at frequency-doubling crystal
Degree adjusting means, controls the temperature of fixing seat, by fixing seat by temperature conduction to frequency-doubling crystal, thus
Indirectly control the operating temperature of frequency-doubling crystal, it is achieved the control to frequency-doubling crystal operating temperature.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the A portion enlarged drawing in Fig. 1；
Fig. 3 is the B-B sectional view in Fig. 2；
Fig. 4 is the perspective view of No. 22 part portable plates in Fig. 1.
In Fig. 1～Fig. 4: the 1st, laser base board, the 2nd, support, the 3rd, frequency-doubling crystal fixes seat, and the 4th, temperature is adjusted
Regulating device, the 5th, electric heating sheets, the 6th, insulation board, the 7th, temperature sensor, the 8th, temperature control system, the 9th, metal column
Body, the 10th, sheet metal, the 11st, thermal conductive adhesive, the 21st, fixed plate, the 22nd, portable plate, the 23rd, hinge,
24th, spring groove, the 25th, spring cavity, the 26th, stage clip, the 27th, projection, the 28th, bulb plunger, the 29th, screw thread leads to
Hole.
Detailed description of the invention
Below in conjunction with the accompanying drawings, specific embodiments of the present utility model is described in detail.
Frequency-doubling crystal fixing device in laser instrument, including the support 2 being fixedly connected on laser base board 1
Fix seat 3 with the frequency-doubling crystal being fixedly mounted on support 2, it is characterised in that described frequency-doubling crystal fixes seat
Being provided with a temperature-adjusting device 4 between 3 and support 2, described temperature-adjusting device 4 includes one piece of electrical heating
Piece 5 and two pieces are attached to the insulation board 6 of electric heating sheets 5 upper and lower surface respectively, two insulation boards 6 respectively with support
2 and frequency-doubling crystal fix seat 3 and be close to, described frequency-doubling crystal fix be provided with on seat 3 measurement frequency-doubling crystal fix
The temperature sensor 7 of seat 3 temperature, described temperature sensor 7 is common with temperature-adjusting device 4 and temperature control system
8 electrical connections.
It is provided with a temperature-adjusting device between seat and support by fixing at frequency-doubling crystal, control fixing seat
Temperature, by fixing seat by temperature conduction to frequency-doubling crystal, thus indirectly control the work temperature of frequency-doubling crystal
Degree, it is achieved the control to frequency-doubling crystal operating temperature
Described electric heating sheets 5 is become array type arrangement to be formed by the many metal cartridges 9 waiting height, all metals
Cylinder 9 is all gone here and there by the some sheet metals 10 being close on its top insulation board 6 or on bottom insulation plate 6
Downlink connection, forms a single current path.
Many metal cartridges 9 become array type arrangement, add the area of dissipation of heating plate 5, work as frequency-doubling crystal
When fixing seat 3 temperature is too high, electric heating sheets 5 may act as fin, accelerates frequency-doubling crystal and fixes seat 3
Radiating rate, make the operating temperature of frequency-doubling crystal be in the range of reasonably.
The resistance of described sheet metal 10 more than the resistance of metal cartridge 9, so when electric heating sheets 5 be energized with
After, the caloric value of sheet metal 10 is more than metal master 9, and sheet metal 10 is close to insulation board 6, can be straight
Connect and transfer heat on insulation board 6, then be transferred to frequency-doubling crystal and fix seat 3, thus it is brilliant quickly to improve frequency multiplication
The operating temperature of body.
Described insulation board 6 is silica gel plate or the ceramic wafer of good heat conductivity, at temperature-adjusting device 4 to frequency multiplication
Crystal fixes seat 3 when heating, and can accelerate the transmission of heat, reduce the loss of heat；In electrical heating
When piece 5 serves as fin, heat can be accelerated and frequency-doubling crystal is fixed seat 3 transmit to metal cartridge 9, accelerate
Dissipating of heat, improves cooling rate.
Described insulation board 6 and support 2 or frequency-doubling crystal are fixed seat 3 and are bonded by thermal conductive adhesive 11.So
Insulation board 6 and support 2 can be eliminated or frequency-doubling crystal fixes the gap between seat 3, make the transmission efficiency of temperature
Higher, transmission speed is faster.
Described support 2 includes a L-shaped fixed plate 21 and a L-shaped portable plate 22, described fixed plate 21 and work
Dynamic plate 22 is hinged by a hinge 23 back-to-back, is positioned at the fixed plate 21 of hinge 23 side
Being respectively arranged with a spring groove 24 on the face fitting with portable plate 22, two spring grooves 24 are mutually axially wrong
Position, two spring grooves 24 just to part cooperatively form a spring cavity 25, along spring groove 24 in spring cavity 25
Axially arranged have precompressed stage clip 26, described stage clip 26 order about in stretching process portable plate 22 relative to
Fixed plate 21 rotates around hinge 23, and on described portable plate 22, the opposite side relative with spring groove 24 is provided with
One projection 27 to fixed plate 21 projection, projection 27 is provided with a screw thread being parallel to spring cavity 25
Through hole 29, is provided with bulb plunger 28 in tapped through hole 29, described stage clip 26 and bulb plunger 28 are respectively
Being positioned at the both sides of hinge 23, the head of described bulb plunger 28 offsets with fixed plate 21 side, when tightening ball
During headpin plug 28, portable plate 22 rotates around hinge 23, and described frequency-doubling crystal is fixed seat 3 and is fixedly mounted on work
On dynamic plate 22.
Operation principle of the present utility model is: when using laser instrument, frequency-doubling crystal described in the utility model
The real-time temperature signal that frequency-doubling crystal can be fixed seat 3 by the temperature sensor 7 arranging in fixing device is transferred to
Temperature control system 8, when the temperature that frequency-doubling crystal fixes seat 3 is less than in temperature control system 8 temperature range arranging,
Temperature control system 8 controls temperature-adjusting device 4 to be fixed seat 3 and heats to frequency-doubling crystal, until frequency-doubling crystal
After the temperature of fixing seat 3 rises to the temperature range that temperature control system 8 is preset, cut off temperature-adjusting device 4
Power supply, stops fixing frequency-doubling crystal the heating of seat 3, makes the temperature of frequency-doubling crystal be in efficiency temperature the highest
In degree is interval.
After temperature-adjusting device 4 quits work, frequency-doubling crystal is under the irradiation of laser, and temperature may proceed to
Rising, at this time the heat of frequency-doubling crystal can be fixed seat 3 by the good frequency-doubling crystal of heat conductivility and outwards distributes,
Outwards can also be distributed by the metal cartridge 9 in electric heating sheets 5, accelerate heat distributes speed, has
Effect the operating temperature of frequency-doubling crystal is made to be in high efficiency temperature range.
During the use of laser instrument, offsetting if running into light path, adjusting ball head plunger can also be passed through
28 regulate the anglec of rotation between portable plate 22 and fixed plate 21, thus regulate the activity of being fixedly mounted on
Frequency-doubling crystal on plate 22 fixes the angle of inclination of seat 3, to realize that the trace to frequency-doubling crystal angle of inclination is adjusted
Joint, realizes the regulation of the trace to laser traffic direction indirectly.
Claims (6)
1. the frequency-doubling crystal fixing device in laser instrument, including be fixedly connected on laser base board (1)
Support (2) and the frequency-doubling crystal being fixedly mounted on support (2) fix seat (3), it is characterised in that institute
State frequency-doubling crystal to fix and between seat (3) and support (2), be provided with a temperature-adjusting device (4), described temperature
Degree adjusting means (4) include one piece of electric heating sheets (5) and two pieces be attached to electric heating sheets (5) respectively up and down
The insulation board (6) on two sides, it is tight that two insulation boards (6) fix seat (3) respectively with support (2) and frequency-doubling crystal
Patch, described frequency-doubling crystal is fixed and is provided with the temperature that measurement frequency-doubling crystal fixes seat (3) temperature on seat (3)
Sensor (7), described temperature sensor (7) and temperature-adjusting device (4) be common and temperature control system (8)
Electrical connection.
2. the frequency-doubling crystal fixing device in laser instrument according to claim 1, it is characterised in that institute
Stating electric heating sheets (5) is become array type arrangement to be formed by the many metal cartridges (9) waiting height, all metals
Cylinder (9) is all by being close to some metals above or on bottom insulation plate (6) for its top insulation board (6)
Thin slice (10) is connected in series in, and forms a single current path.
3. the frequency-doubling crystal fixing device in laser instrument according to claim 2, it is characterised in that institute
State the resistance more than metal cartridge (9) for the resistance of sheet metal (10).
4. the frequency-doubling crystal fixing device in laser instrument according to claim 3, it is characterised in that institute
Stating insulation board (6) is silica gel plate (or ceramic wafer).
5. the frequency-doubling crystal fixing device in laser instrument according to claim 4, it is characterised in that institute
State insulation board (6) and fix seat (3) by thermal conductive adhesive (11) bonding with support (2) or frequency-doubling crystal.
6. the frequency-doubling crystal fixing device in laser instrument according to claim 5, it is characterised in that institute
State support (2) and include a L-shaped fixed plate (21) and a L-shaped portable plate (22), described fixed plate (21)
Hinged by a hinge (23) back-to-back with portable plate (22), it is positioned at hinge (23)
It is respectively arranged with a spring groove (24) on the face that the fixed plate (21) of side and portable plate (22) fit,
Two spring grooves (24) mutually axially misplace, two spring grooves (24) just to part cooperatively form a spring
, there are precompressed stage clip (26), institute in chamber (25) along spring groove (24) is axially arranged in spring cavity (25)
State stage clip (26) and in stretching process, order about portable plate (22) relative to fixed plate (21) around hinge (23)
Rotating, the upper opposite side relative with spring groove (24) of described portable plate (22) is provided with one to fixed plate
(21) protruding projection (27), projection (27) is provided with a screw thread being parallel to spring cavity (25)
Through hole (29), is provided with bulb plunger (28), described stage clip (26) and bulb in tapped through hole (29)
Plunger (28) lays respectively at the both sides of hinge (23), the head of bulb plunger (28) and fixed plate (21)
Side offsets, and when tightening bulb plunger (28), portable plate (22) rotates around hinge (23), described
Frequency-doubling crystal is fixed seat (3) and is fixedly mounted on portable plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620467636.1U CN205622034U (en) | 2016-05-23 | 2016-05-23 | Second harmonic generation crystal fixing device in laser instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620467636.1U CN205622034U (en) | 2016-05-23 | 2016-05-23 | Second harmonic generation crystal fixing device in laser instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205622034U true CN205622034U (en) | 2016-10-05 |
Family
ID=57024736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620467636.1U Expired - Fee Related CN205622034U (en) | 2016-05-23 | 2016-05-23 | Second harmonic generation crystal fixing device in laser instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205622034U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814317A (en) * | 2018-12-28 | 2019-05-28 | 中国科学院合肥物质科学研究院 | Nonlinear optical crystal temperature control and optical path adjustment device |
| CN109888601A (en) * | 2019-04-08 | 2019-06-14 | 北京理工大学 | A kind of clamping device of the double-frequency microchip laser tunable for frequency difference |
| CN111244731A (en) * | 2018-11-28 | 2020-06-05 | 中国科学院大连化学物理研究所 | Crystal constant temperature equipment with adjustable angle |
-
2016
- 2016-05-23 CN CN201620467636.1U patent/CN205622034U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244731A (en) * | 2018-11-28 | 2020-06-05 | 中国科学院大连化学物理研究所 | Crystal constant temperature equipment with adjustable angle |
| CN109814317A (en) * | 2018-12-28 | 2019-05-28 | 中国科学院合肥物质科学研究院 | Nonlinear optical crystal temperature control and optical path adjustment device |
| CN109814317B (en) * | 2018-12-28 | 2021-11-02 | 中国科学院合肥物质科学研究院 | Nonlinear optical crystal temperature control and light path adjusting device |
| CN109888601A (en) * | 2019-04-08 | 2019-06-14 | 北京理工大学 | A kind of clamping device of the double-frequency microchip laser tunable for frequency difference |
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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: 20200110 Address after: 401120 Chongqing kangston Laser Technology Co., Ltd., No. 105, dataguzhong Road, Xiantao street, Yubei District, Chongqing Patentee after: Chongqing kangston Laser Technology Co., Ltd Address before: 215636, Suzhou, Jiangsu, Zhangjiagang Daxin Town, new East Road, Suzhou purple Albert Laser Technology Co., Ltd. Patentee before: Suzhou purple light great achievement laser Science and Technology 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: 20161005 Termination date: 20210523 |