CN109814317B - Nonlinear optical crystal temperature control and optical path adjustment device - Google Patents
Nonlinear optical crystal temperature control and optical path adjustment device Download PDFInfo
- Publication number
- CN109814317B CN109814317B CN201811621108.7A CN201811621108A CN109814317B CN 109814317 B CN109814317 B CN 109814317B CN 201811621108 A CN201811621108 A CN 201811621108A CN 109814317 B CN109814317 B CN 109814317B
- Authority
- CN
- China
- Prior art keywords
- crystal
- temperature control
- tec
- optical path
- thermal insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000013078 crystal Substances 0.000 title claims abstract description 153
- 230000003287 optical effect Effects 0.000 title claims abstract description 84
- 238000009413 insulation Methods 0.000 claims abstract description 37
- 230000003993 interaction Effects 0.000 claims abstract description 23
- 239000000523 sample Substances 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000005057 refrigeration Methods 0.000 claims description 31
- 238000012546 transfer Methods 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 abstract description 2
- 239000010949 copper Substances 0.000 abstract description 2
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 13
- 230000017525 heat dissipation Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000673 Indium arsenide Inorganic materials 0.000 description 1
- 229910003334 KNbO3 Inorganic materials 0.000 description 1
- 229910013321 LiB3O5 Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- -1 level Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
本发明公开了一种非线性光学晶体温控及光路调整装置，包括光路调整部分以及温控部分。其中光路调整部分含有导热性能好的铜制加工零件若干、保温绝缘外壳，温控部分含有TEC制冷片、热敏电阻探头、散热风扇，温控部分还含有TEC温控专用集成芯片，内含完整PID控制算法、A/D 和D/A采集和输出口、PWM式TEC驱动芯片、风机控制接口、与人机交互单元的通讯接口等；人机交互单元含有液晶显示板，操作按键、与控制单元的接口等；开关电源供电，实现市电转化为低压直流电。本发明可实现对内置的非线性晶体进行10‑100℃，控制精度为±0.1℃的恒温控制，并可以实现非线性光学晶体在光路中360︒旋转、上下俯仰、左右俯仰、光路传播方向的平移多维调整。
The invention discloses a non-linear optical crystal temperature control and optical path adjustment device, which comprises an optical path adjustment part and a temperature control part. The optical path adjustment part contains a number of copper processing parts with good thermal conductivity, a thermal insulation shell, the temperature control part contains a TEC cooling chip, a thermistor probe, and a cooling fan, and the temperature control part also contains a TEC temperature control dedicated integrated chip, which contains complete PID control algorithm, A/D and D/A acquisition and output port, PWM type TEC driver chip, fan control interface, communication interface with human-computer interaction unit, etc.; human-computer interaction unit includes liquid crystal display panel, operation buttons, and control The interface of the unit, etc.; the switching power supply is powered to realize the conversion of mains into low-voltage direct current. The invention can realize constant temperature control of 10-100°C and control accuracy of ±0.1°C for the built-in nonlinear crystal, and can realize 360° rotation of the nonlinear optical crystal in the optical path, pitch up and down, pitch left and right, and the propagation direction of the optical path. Pan multidimensional adjustment.
Description
Technical Field
The invention relates to the field of optical crystal control devices, in particular to a nonlinear optical crystal temperature control and light path adjusting device.
Background
The nonlinear optical crystal is a device which utilizes the effect of generating secondary or above nonlinear effect under the action of strong laser and strong external field to expand the wavelength and wavelength range of the existing laser, and can be used for frequency conversion technology such as frequency doubling, frequency mixing, parametric oscillation and optical parametric amplification. The nonlinear optical crystal is a functional material and has important application value in the technical field of laser. Widely used is KDP, KD P, CsH2A5O4(CDA)；KTiOPO4、KNbO3、NiNbO3、 Ba2NaNb5O15；BaB2O4(BBO)、LiB3O5(LBO)、NaNO2(ii) a GaAs, InSb, InAs, ZnS, etc.
The complexity and diversity of the internal structure of the nonlinear optical crystal, the tangential direction in the processing process, the error from a theoretical cutting surface and the like. The nonlinear optical crystal placed in the laser light path needs to be rotationally adjusted to tune the incident angle in addition to ensuring enough light passing surface.
The nonlinear optical crystal has various types and wide application. When nonlinear optical crystals are used for temperature matching and wavelength tuning, temperature regulation and thermostatic control of the temperature are required. When nonlinear optical crystals are used for non-temperature matching and wavelength tuning, the necessary temperature control of the crystal is also required to obtain optimal power conversion efficiency and to reduce thermal stress of the crystal. Therefore, a device is needed, which not only can perform temperature adjustment and thermostatic control on the nonlinear optical crystal, but also can perform angle adjustment of rotation, left-right pitching and up-down pitching on the crystal.
The constant temperature furnace is available in the market at present for controlling the temperature of the crystal, but the constant temperature furnace is large in size, is not easy to assemble in an optical path, and even if the constant temperature furnace can be assembled in the optical path, the constant temperature furnace also needs to be assembled in an optical adjusting frame because the angle can not be adjusted, so that the size and the weight of the device are further increased.
The invention aims to provide a nonlinear optical crystal temperature control and light path adjusting device to realize constant temperature control of a nonlinear optical crystal and realize multi-dimensional adjustment of level, pitch, rotation and the like in a light path so as to meet the requirement on the work of a laser.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
nonlinear optical crystal temperature control and light path adjusting device, its characterized in that: including light path adjustment part and temperature control part, wherein:
the light path adjusting part comprises an adjusting part base made of heat conducting materials and a heat-insulating shell made of heat insulating materials, a supporting seat is integrally formed on the adjusting part base, the heat-insulating shell is installed on one side of the supporting seat through a rotating shaft in a pitching rotating mode, a crystal clamping device is arranged in the heat-insulating shell and made of heat conducting materials, a nonlinear optical crystal is coaxially arranged in the crystal clamping device, the axial level of the nonlinear optical crystal and the axial level of the crystal clamping device are perpendicular to the axial direction of the rotating shaft connected with the heat-insulating shell, the nonlinear optical crystal rotates in the heat-insulating shell along with the crystal clamping device, the nonlinear optical crystal and the crystal clamping device integrally rotate in the pitching rotating mode along with the heat-insulating shell, light through holes are respectively formed in the side wall of the heat-insulating shell corresponding to the end portions of the nonlinear optical crystal, and a fixing hole vertically penetrating through the adjusting part base is further formed in the adjusting part base, one fixing hole is a round hole, and the other fixing hole is a waist-shaped hole;
the temperature control part comprises a switching power supply, a man-machine interaction unit, a small constant temperature control unit, a TEC temperature control special integrated chip, a thermistor probe, a TEC refrigerating sheet and a heat dissipation fan, wherein the heat dissipation fan is fixed on the other side of the supporting seat; the input end of the switch power supply is connected with commercial power, the output end of the switch power supply is respectively connected with power ends of the human-computer interaction unit and the small-sized constant temperature control unit, the commercial power is converted into working voltage of the human-computer interaction unit and the small-sized constant temperature control unit by the switch power supply and is supplied to the human-computer interaction unit and the small-sized constant temperature control unit, the human-computer interaction unit and the small-sized constant temperature control unit are connected through a communication interface, the TEC temperature control special integrated chip and the small-sized constant temperature control unit are integrated into a whole to be used as a central processing element of the small-sized constant temperature control unit, the small-sized constant temperature control unit is respectively electrically connected with the thermistor probe, the TEC refrigeration chip and the cooling fan, the small-sized constant temperature control unit receives electric signals of the thermistor probe and converts the electric signals into data to be sent to the TEC temperature control special integrated chip, the TEC temperature control special integrated chip contains a PID control algorithm, the acquired temperature data is compared with preset temperature data through the PID control algorithm and then outputs instruction data, the instruction data is converted into PWM signals by the small constant temperature control unit and then sent to the TEC refrigeration piece and the cooling fan, and PID control driving of the TEC refrigeration piece and the cooling fan is achieved.
The nonlinear optical crystal temperature control and light path adjusting device is characterized in that: the utility model discloses a heat preservation insulation support, including heat preservation insulation casing, supporting seat, pivot, TEC refrigeration piece and connection support seat, heat preservation insulation casing has a face opening, and heat preservation insulation casing open-ended one face lid closes to be connected with the switching piece, the switching piece is made by the heat conduction material, and the switching piece is connected the pivot is rotated through the pivot and is installed in the supporting seat and correspond the side, and it is gapped between crystal clamping device in the heat preservation insulation casing and the switching piece, is equipped with the PVC piece in the clearance in order to keep apart crystal clamping device and switching piece, constitutes the insulation can and seals the insulation can through the switching piece by heat preservation insulation casing and PVC piece, the TEC refrigeration piece is located the clearance between crystal clamping device and the switching piece, and the TEC refrigeration piece one side contacts with crystal clamping device, and the switching piece another side contacts with the switching piece, and refrigeration piece contacts the supporting seat through the switching piece.
The nonlinear optical crystal temperature control and light path adjusting device is characterized in that: the crystal clamping device comprises a crystal installation cylinder and a crystal clamping block, wherein the crystal installation cylinder is fixed in the heat-insulating shell, the axial direction of the crystal installation cylinder is horizontal to the axial direction of the rotating shaft, an installation through hole is formed in the crystal clamping block, the crystal clamping block is coaxially rotatably assembled in the crystal installation cylinder, and the nonlinear optical crystal is coaxially fixed in the crystal clamping block.
The nonlinear optical crystal temperature control and light path adjusting device is characterized in that: the crystal clamping block is internally provided with a deep hole, and the thermistor probe is inserted into the deep hole and is fully contacted with the crystal clamping block.
The nonlinear optical crystal temperature control and light path adjusting device is characterized in that: one side of the TEC refrigeration piece is embedded into the crystal installation cylinder and fully contacted with the crystal clamping block, and the other side of the TEC refrigeration piece is contacted with the switching block or fully contacted with the switching block after being embedded into the switching block.
The invention designs a constant temperature control technology based on TEC module and PWM regulation, and a miniaturized nonlinear optical crystal temperature control and light path regulation device based on an optical-mechanical-electrical integration mechanical structure, which can simultaneously meet the control requirements of nonlinear optical crystal temperature control and light path regulation.
The invention can realize the multi-dimensional adjustment of the non-linear optical crystal such as level, pitch, rotation and the like; the temperature control part comprises a small constant temperature control unit, a man-machine interaction unit and a switching power supply, and realizes the acquisition and control of temperature.
In the invention, a complete PID algorithm is adopted, and the TEC refrigeration pieces are controlled in two directions. And accurately calculating the current of the TEC according to the temperature difference. The current of the TEC is driven by PWM and LC continuous processing without an OFF stage, so that the temperature is continuously and stably ensured in a control period.
In the invention, the man-machine interaction unit is connected with the small-sized constant temperature control unit through the communication interface. The small-sized constant temperature control unit can memorize set data, can be separated from the human-computer interaction unit to work independently, can be controlled in real time, and can be connected with other control systems to realize data acquisition and control.
The invention has simple mechanical structure, small volume, large adjustment range and lower adjustment precision, but can meet the requirement of angle tuning of the nonlinear optical crystal.
The invention has the advantages of small volume, simple structure, low cost, high temperature control precision and wide temperature control range, and can be widely applied to the field of production and scientific research of frequency conversion of nonlinear optical crystals such as laser frequency doubling, difference frequency, sum frequency, OPO, OPA and the like.
Drawings
Fig. 1 is an isometric view of an optical path adjustment portion of the present invention.
Fig. 2 is a front view of the optical path adjusting part of the present invention.
Fig. 3 is a front sectional view of the optical path adjusting part of the present invention.
FIG. 4 is a schematic block diagram of the temperature control part of the present invention.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1-4, the temperature control and optical path adjusting device for a nonlinear optical crystal includes an optical path adjusting part and a temperature control part, wherein:
the light path adjusting part comprises an adjusting part base 1 made of heat conducting materials and a heat insulation insulating shell 9 made of heat insulation materials, a supporting seat 10 is integrally formed on the adjusting part base 1, the heat insulation insulating shell 9 is installed on one side of the supporting seat 10 through a rotating shaft 11 in a pitching rotating mode, a crystal clamping device is arranged in the heat insulation insulating shell 9 and is made of heat conducting materials, a nonlinear optical crystal 6 is coaxially arranged in the crystal clamping device, the axial level of the nonlinear optical crystal 6 and the axial level of the crystal clamping device are perpendicular to the axial direction of the rotating shaft 11 connected with the heat insulation insulating shell 9, the nonlinear optical crystal 6 rotates in the heat insulation insulating shell 9 along with the crystal clamping device, the nonlinear optical crystal 6 and the crystal clamping device integrally rotate along with the heat insulation insulating shell 9 in the pitching rotating mode, light through holes are respectively formed in the side wall of the heat insulation insulating shell 9 and correspond to the end positions of the nonlinear optical crystal 6, the adjusting component base 1 is also provided with fixing holes 12 vertically penetrating through the adjusting component base 10, wherein one fixing hole is a round hole, and the other fixing hole is a kidney-shaped hole;
the temperature control part comprises a switching power supply 13, a man-machine interaction unit 14, a small constant temperature control unit 15, a TEC temperature control special integrated chip 16, a thermistor probe 7, a TEC refrigerating piece 3 and a heat dissipation fan 8, wherein the heat dissipation fan 8 is fixed on the other side of the supporting seat 10, the thermistor probe 7 is embedded into the crystal clamping device, one side of the TEC refrigerating piece 3 enters the heat insulation shell 9 to be contacted with the crystal clamping device, and the other side of the TEC refrigerating piece 3 is directly or indirectly contacted with the supporting seat 10; the input end of a switch power supply 13 is connected with commercial power, the output end of the switch power supply 13 is respectively connected with power ends of a man-machine interaction unit 14 and a small-sized constant temperature control unit 15, the commercial power is converted into working voltage of the man-machine interaction unit 14 and the small-sized constant temperature control unit 15 by the switch power supply 13 and is supplied to the man-machine interaction unit 14 and the small-sized constant temperature control unit 15, the man-machine interaction unit 14 is connected with the small-sized constant temperature control unit 15 through a communication interface 17, a TEC temperature control special integrated chip 16 and the small-sized constant temperature control unit 15 are integrated into a whole to be used as a central processing element of the small-sized constant temperature control unit 15, the small-sized constant temperature control unit 15 is respectively electrically connected with a thermistor probe 7, a TEC refrigerating sheet 3 and a cooling fan 8, the small-sized constant temperature control unit 15 receives electric signals of a thermistor probe 7 and converts the electric signals into data to be sent to the TEC temperature control special integrated chip 16, and the TEC temperature control special integrated chip 16 contains a PID control algorithm, the acquired temperature data is compared with preset temperature data through a PID control algorithm, and then instruction data is output, the instruction data is converted into PWM signals by the small constant temperature control unit 15 and then is sent to the TEC refrigerating piece 3 and the cooling fan 8, and PID control driving of the TEC refrigerating piece 3 and the cooling fan 8 is achieved.
The crystal clamping device comprises a crystal installation cylinder 4 and a crystal clamping block 5, wherein the crystal installation cylinder 4 is fixed in a heat-insulating shell 9, the axial direction of the crystal installation cylinder 4 is horizontal to the axial direction of a rotating shaft 11, an installation through hole is formed inside the crystal clamping block 5, the crystal clamping block 5 is coaxially assembled in the crystal installation cylinder 4 in a rotating mode, and a nonlinear optical crystal 6 is coaxially fixed in the crystal clamping block 5.
The crystal clamping block 5 is provided with a deep hole, and the thermistor probe 7 is inserted into the deep hole and is fully contacted with the crystal clamping block 5. One side of the TEC refrigeration piece 3 is embedded into the crystal installation cylinder 4 and fully contacts with the crystal clamping block 5, and the other side of the TEC refrigeration piece 3 contacts with the transfer block 2 or fully contacts with the transfer block 2 after being embedded into the transfer block 2.
As shown in fig. 4, the temperature control part of the invention comprises a switching power supply 13, a man-machine interaction unit 14, a communication interface 17, a small-sized constant temperature control unit 15, a thermistor probe 7, a TEC refrigeration plate 3, a TEC temperature control dedicated integrated chip 16, and a cooling fan 8.
The switching power supply 13 realizes the conversion of 220V alternating current into +5V direct current power supply of the man-machine interaction unit 14 and the small-sized constant temperature control unit 15.
The human-computer interaction unit 14 and the small-sized constant temperature control unit 15 are connected through a communication interface 17, and the communication interface 17 is a serial port, so that the issuing of instructions and the transmission of data are realized. The human-computer interaction unit 14 is a liquid crystal display module and a key switch, and can realize the setting of constant temperature and the setting of control precision.
The small-sized constant temperature control unit 15 is connected with the thermistor probe 7, the TEC refrigeration piece 3 and the cooling fan 8. The thermistor probe 7 is placed in the crystal block 5 in fig. 3, and the change in resistance of the thermistor probe 7 can be indicative of the temperature of the nonlinear optical crystal.
The TEC temperature control dedicated integrated chip 16 is a central processing element of the small-sized constant temperature control unit 15, and contains a complete PID control algorithm, and the temperature control precision can reach 0.01 ℃. The collected temperature is compared with the set temperature, an instruction is output through a complete PID control algorithm, the current of the TEC is driven by PWM and LC continuous processing, and the temperature is ensured to be continuous and stable in a control period.
The TEC refrigerating plate 3 is controlled in two directions, and heating and refrigerating modes can be realized. When in the refrigeration mode, the cooling fan 8 is started at the same time, and the refrigeration efficiency is improved. When the heating mode is in, the heat radiation fan 8 is turned off, and the heating efficiency is improved.
As shown in fig. 1-3, the optical path adjusting part includes an adjusting component base 1, a switching block 2, a TEC refrigerating plate 3, a crystal mounting cylinder 4, a crystal clamping block 5, a nonlinear optical crystal 6, a thermistor probe 7, a heat dissipation fan 8, and a heat insulation housing 9. The adjusting part base 1, the switching block 2, the crystal mounting cylinder 4 and the crystal clamping block 5 are all made of red copper materials, the heat conducting performance is good, the heat-insulating shell 9 is made of PVC or nylon materials, and the heat conducting performance is poor.
The nonlinear optical crystal 6 is wrapped by indium paper with good heat conductivity, clamped by a crystal clamping block 5 and placed in the crystal installation cylinder 4. The crystal clamping block 5 is a complete cylinder consisting of 2 symmetrical semi-cylinders, the interior of the cylinder is cut into the shape of the nonlinear optical crystal 6, the interior of the crystal mounting cylinder 4 is processed into a cylinder through hole, the inner diameter of the cylinder is matched with the outer diameter of the cylinder of the crystal clamping block 5, the crystal clamping block 5 can rotate in the crystal mounting cylinder 4 by 360 degrees, and therefore the nonlinear optical crystal 6 can freely rotate in a plane vertical to the optical axis.
A deep hole with the diameter of 2mm is formed in the body of the crystal clamping block 5, heat-conducting silicone grease is filled in the deep hole, the thermistor probe 7 is inserted into the deep hole, and the inlet of the deep hole is sealed by epoxy resin glue. The crystal clamp splice 5 adopts plastics screwed connection and fastening with the switching piece 2, places TEC refrigeration piece 3 between crystal clamp splice 5 and switching piece 2, and TEC refrigeration piece 3 both sides face all scribbles heat conduction silicone grease to fully contact with crystal clamp splice 5 and switching piece 2 respectively, have 2mm clearance between crystal clamp splice 5 and the switching piece 2, and keep apart with the PVC piece, can not realize heat transfer. And then covered with a heat-insulating housing 9. The PVC sheet and the heat insulation shell 9 form a heat insulation box.
One side of the connecting block 2 is provided with a cylindrical bulge which is used as a rotating shaft 11, a supporting seat 10 of the adjusting component base 1 is provided with a cylindrical through hole matched with the rotating shaft 11, and the connecting block 2 and all elements (the TEC refrigeration sheet 3, the crystal mounting cylinder 4, the crystal clamping block 5, the nonlinear optical crystal 6, the thermistor probe 7 and the heat-insulating shell 9) connected with the connecting block can rotate around the shaft center. Thereby realizing the pitch adjustment of the nonlinear optical crystal 6 in the optical path. And after the adjustment is finished, fastening the steel wire with screws.
The cooling fan 8 is installed to supporting seat 10 one side of adjusting part base 1, and adjusting part base 1's lower plane is connected and is fastened with optical platform with the screw, and adjusting part base 1 has 2 fixed orificess 12, and 1 hole is the round hole, and another hole is the waist hole, and adjusting part base 1 can suitably rotate round the round hole to realize the level adjustment of nonlinear optical crystal 6 in the light path. And after the adjustment is finished, fastening the steel wire with screws.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811621108.7A CN109814317B (en) | 2018-12-28 | 2018-12-28 | Nonlinear optical crystal temperature control and optical path adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811621108.7A CN109814317B (en) | 2018-12-28 | 2018-12-28 | Nonlinear optical crystal temperature control and optical path adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109814317A CN109814317A (en) | 2019-05-28 |
| CN109814317B true CN109814317B (en) | 2021-11-02 |
Family
ID=66602636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811621108.7A Active CN109814317B (en) | 2018-12-28 | 2018-12-28 | Nonlinear optical crystal temperature control and optical path adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109814317B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290369A (en) * | 2020-12-24 | 2021-01-29 | 武汉奇致激光技术股份有限公司 | Device for adjusting electro-optical Q-switch and optical equipment mounted with the device |
| CN113867448B (en) * | 2021-10-27 | 2022-09-16 | 北京工业大学 | A temperature control device for nonlinear optical crystals |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203218694U (en) * | 2012-11-19 | 2013-09-25 | 中国电子科技集团公司第十一研究所 | Heat conduction temperature control device |
| CN104485569A (en) * | 2014-12-25 | 2015-04-01 | 合肥知常光电科技有限公司 | Precise adjustment device for nonlinear optical crystal of laser and adjusting method of precise adjustment device |
| WO2016084825A1 (en) * | 2014-11-28 | 2016-06-02 | ブラザー工業株式会社 | Laser machining device and laser machining method |
| CN205622034U (en) * | 2016-05-23 | 2016-10-05 | 苏州紫光伟业激光科技有限公司 | Second harmonic generation crystal fixing device in laser instrument |
| CN206022880U (en) * | 2016-09-07 | 2017-03-15 | 苏州英谷激光有限公司 | A kind of crystal temperature effect control device of high stable type multi-angle regulation |
-
2018
- 2018-12-28 CN CN201811621108.7A patent/CN109814317B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203218694U (en) * | 2012-11-19 | 2013-09-25 | 中国电子科技集团公司第十一研究所 | Heat conduction temperature control device |
| WO2016084825A1 (en) * | 2014-11-28 | 2016-06-02 | ブラザー工業株式会社 | Laser machining device and laser machining method |
| CN104485569A (en) * | 2014-12-25 | 2015-04-01 | 合肥知常光电科技有限公司 | Precise adjustment device for nonlinear optical crystal of laser and adjusting method of precise adjustment device |
| CN205622034U (en) * | 2016-05-23 | 2016-10-05 | 苏州紫光伟业激光科技有限公司 | Second harmonic generation crystal fixing device in laser instrument |
| CN206022880U (en) * | 2016-09-07 | 2017-03-15 | 苏州英谷激光有限公司 | A kind of crystal temperature effect control device of high stable type multi-angle regulation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109814317A (en) | 2019-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109814317B (en) | Nonlinear optical crystal temperature control and optical path adjustment device | |
| CN101916958B (en) | Constant temperature control device of frequency doubling crystals of solid laser | |
| CN108666856A (en) | Power stable solid-state laser and control method | |
| CA2474413A1 (en) | Reliable outdoor instrument cooling system | |
| CN203218694U (en) | Heat conduction temperature control device | |
| CN106885993A (en) | A kind of cryogenic test equipment and its control method for battery | |
| CN104299482B (en) | A kind of two-way variable semiconductor temperature control teaching experiment system | |
| CN115032230A (en) | A test equipment for thermoelectric material devices | |
| CN203846884U (en) | A new type of freely assembled smart door lock | |
| CN107328846B (en) | Mass spectrometry sampling system and cooling device | |
| CN209896432U (en) | Structure of splayed annular cavity | |
| CN213341063U (en) | Nonlinear crystal temperature control device | |
| CN210487889U (en) | Testing device for thermoelectric module | |
| CN208752474U (en) | Intelligent temperature controller | |
| CN107765191A (en) | A kind of aging equipment of power module | |
| CN214335412U (en) | LCD display module with heat conduction backing plate device | |
| CN114122896B (en) | Device for adjusting electro-optical Q-switch | |
| CN113867448B (en) | A temperature control device for nonlinear optical crystals | |
| CN215529669U (en) | Converter heat abstractor suitable for extremely cold environment | |
| CN209487925U (en) | The temperature regulating device of deliquescent crystal | |
| CN207833165U (en) | A kind of low-temperature resistance type liquid crystal display | |
| CN220271779U (en) | Constant temperature device | |
| CN212936518U (en) | A heat dissipation structure for image processing equipment | |
| CN112322491A (en) | A micro-fluidic device for cell culture | |
| CN207457675U (en) | The radiator structure and moving camera of compact camera |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |