CN103794971A - High-precision temperature control device with adjustable crystal caliber - Google Patents
High-precision temperature control device with adjustable crystal caliber Download PDFInfo
- Publication number
- CN103794971A CN103794971A CN201410066534.4A CN201410066534A CN103794971A CN 103794971 A CN103794971 A CN 103794971A CN 201410066534 A CN201410066534 A CN 201410066534A CN 103794971 A CN103794971 A CN 103794971A
- Authority
- CN
- China
- Prior art keywords
- end cap
- copper
- fixing end
- temperature control
- face
- 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.)
- Granted
Links
Images
Landscapes
- Crystals, And After-Treatments Of Crystals (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention relates to a crystal temperature control device, in particular to a high-precision temperature control device with an adjustable crystal caliber. The high-precision temperature control device with the adjustable crystal caliber aims to solve the problem that an existing heating device cannot achieve precise temperature control over crystals with different calibers and cannot keep a small temperature gradient of crystal surfaces. A heater is fixed to the outer side of a copper ring. Inner baffle rings are arranged in the copper ring. A crystal is arranged in copper sleeves. The copper sleeves are arranged between the two inner baffle rings. A sealing glass sheet is arranged on each inner baffle ring. A first inner fixing end cap is arranged on the outer side of each sealing glass sheet. Each first inner fixing end cap is connected with the copper ring. The heater is sleeved with a protective shell. The protective shell is connected with second inner fixing end caps. A vacuum shell is connected with second outer fixing end caps. A first outer fixing end cap is connected with the corresponding second outer fixing end cap. Each first outer fixing end cap is sealed through a molten quartz plate. A temperature thermocouple is fixed to the copper ring and connected with a display instrument. Temperature data output by the display instrument are transmitted to a temperature control instrument, and the temperature control instrument is connected with the heater. The high-precision temperature control device with the adjustable crystal caliber is used for high-precision temperature control over the crystals with large calibers.
Description
Technical field
The present invention relates to a kind of crystal temperature effect control device.
Background technology
Frequency-doubled conversion technology is the important method that obtains high energy laser, mainly obtain high-frequency, high-octane laser by crystal as the frequency-doubled effect of KDP, DKDP, ADP etc., because crystal has higher temperature susceplibility, the shg efficiency that just can significantly reduce crystal under less variations in temperature, therefore need to carry out high-precision temperature control to crystal.In a lot of fields, the demand of large light beam high-frequency laser is more and more urgent, simultaneously, 90 ° of noncritical phase matching technology, because it has compared with large effective nonlinear optical coefficients, compared with little phase matched angular sensitivity, does not have optics to walk from more and more being applied with the advantage such as utilance height, are therefore carried out high-precision temperature control to different bore crystal and have been proposed more and more higher requirement.
And adopt existing heater cannot realize the problem that the control of different bore crystal accurate temperature also can keep the less temperature gradient of crystal face.
Summary of the invention
The object of the invention is cannot realize the control of different bore crystal accurate temperature and can keep the problem of the less temperature gradient of crystal face in order to solve existing heater, and then provide a kind of crystal bore adjustable high-precision temperature control device.
The present invention addresses the above problem and takes following technical scheme:
The adjustable high-precision temperature control device of a kind of crystal bore, it comprises heater, the adjustable high-precision temperature control device of described crystal bore also comprises fixing in two, two of vaccum cases, copper ring, protecting sheathing, fixed support, temperature control system, two copper sheathings, two inner baffle rings, one, two sealing rings of two sealing rings to be fixed one, two outer fixing two, two of end caps of two, two outer fixing end caps of end cap in one, two of end caps and melts quartz plate and two seal glass sheets, described temperature control system comprises temperature thermocouple and temperature controller, an end face of each inner baffle ring is straight end face, another end face relative with this straight end face is angled end-face, the outer circumference surface of described copper ring is fixed with heater, the straight end face of two inner baffle rings is oppositely arranged and is sleeved in copper ring, two inner baffle rings all radially removably connect with copper ring, the inner chamber of each copper sheathing is made up of the large diameter hole and the small diameter bore that communicate, on each copper sheathing outer wall, be positioned at large diameter hole one end and be fixed with two connection handles, described two connection handles are symmetrical arranged with respect to the center line of copper sheathing, two large diameter hole one end of two copper sheathings are oppositely arranged, crystal is arranged in two large diameter holes of two copper sheathings, the connection handle of two copper sheathings is corresponding and removably connect one by one, two copper sheathings are arranged between two inner baffle rings, and the connection handle of two copper sheathings is fixedly clamped between two inner baffle rings, on the angled end-face of each inner baffle ring, be provided with a seal glass sheet, the lateral surface of two seal glass sheets is respectively provided with and in one, fixes end cap one, the inner face of interior fixing end cap one is oblique inner face, the interior fixing oblique inner face of end cap one and the angled end-face gradient of inner baffle ring are consistent, each interior fixing end cap one is connected with the abutting end of copper ring, each seal glass sheet is fixed on the angled end-face of inner baffle ring by the oblique inner face sealing of interior fixing end cap one, two seal glass sheets be arranged in parallel, a protecting sheathing of outside suit of heater, the two ends of protecting sheathing respectively with in one, fix end cap two and be connected, the bottom of protecting sheathing is supported fixing by fixed support, fixed support is connected with the bottom of vaccum case inwall, the two ends of vaccum case connect with corresponding outer fixing end cap two, between the two ends of vaccum case and corresponding outer fixing end cap two, seal by a sealing ring two, the top of vaccum case sidewall is provided with vacuum interface, in two, fix and in one and two of end caps, fix end cap two and be equipped with central through hole, the middle part of the medial surface of two outer fixing end caps two is respectively provided with an outer fixing end cap one, outer fixing end cap one is connected with outer fixing end cap two, the middle part of outer fixing end cap one is provided with notch cuttype fenestra, the notch cuttype fenestra of each outer fixing end cap one melts quartz plate sealing by one, the middle part of outer fixing end cap two is provided with spies on fenestra, melt between quartz plate and outer fixing end cap two and seal by sealing ring one, temperature thermocouple is fixed on the lateral wall of copper ring through vaccum case, protecting sheathing and heater, the Displaying Meter of temperature thermocouple is arranged on temperature controller, temperature thermocouple is connected with the Displaying Meter of temperature thermocouple by wire, the temperature data of described Displaying Meter output is to temperature controller, and temperature controller is connected with heater by wire.
The present invention's beneficial effect is compared with prior art:
1, the present invention, by the temperature value of temperature thermocouple test copper ring being installed as the closure of feedback signal control heater, maintains the heat source temperature of crystal, can obtain copper ring temperature value accurately.The present invention also has simple in structure, simple to operation, and control precision is high, the advantage of control precision △ T≤0.2 ℃ and low cost of manufacture.
2, the present invention controls the temperature of copper ring by the switching of temperature controller control heater, thereby heats crystal; In addition owing to being provided with vacuum-tight housing, in vacuum-tight space, heat crystal, guarantee that crystal has lower temperature gradient thereby can form a stable temperature province around crystal, crystal temperature gradient is controlled in 0.2 ℃, therefore, there is higher temperature control precision.Device of the present invention can not only, to the heating of heavy caliber crystal, can also maintain higher surface uniformity simultaneously.
3, the present invention is realized different bore crystal is installed by the closure of two copper sheathings, simultaneously by the temperature value of temperature thermocouple test copper ring being installed as the closure of feedback signal control heater, maintain the heat source temperature of crystal, can obtain copper ring temperature value accurately, resolution is 0.1 ℃.That the present invention also has is simple in structure, control precision is high, and control resolution is 0.1 ℃, control precision △ T≤0.2 ℃, the advantage of low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is that overall structure master of the present invention looks schematic diagram, and Fig. 2 is that the master of inner baffle ring looks cutaway view, and Fig. 3 is that the master of copper ring looks cutaway view, and Fig. 4 is the A place partial enlarged drawing of Fig. 1, and Fig. 5 is the B place partial enlarged drawing of Fig. 1.
Description of reference numerals: vaccum case 1, interior fixing end cap 1, interior fixing end cap 23, inner baffle ring 4, copper ring 5, key 6, vacuum interface 7, crystal 8, protecting sheathing 11, sealing ring 2 14, outer fixing end cap 2 15, outer fixing end cap 1, sealing ring 1, melt quartz plate 18, seal glass sheet 19, fixed support 20, temperature thermocouple 21, heater 22, keyway 23, copper sheathing 24, screwed hole 25, groove 26, straight end face 27, angled end-face 28, Displaying Meter 29, spy on fenestra 30, temperature controller 31, connection handle 35.
Embodiment
Below in conjunction with concrete accompanying drawing explanation the specific embodiment of the present invention.
Embodiment one: in conjunction with Fig. 1～Fig. 5 explanation, the adjustable high-precision temperature control device of a kind of crystal bore of present embodiment, it comprises heater 22; The adjustable high-precision temperature control device of described crystal bore also comprises vaccum case 1, copper ring 5, vacuum interface 7, protecting sheathing 11, fixed support 20, temperature control system, two copper sheathings 24, two inner baffle rings 4, two sealing rings 1, two sealing rings 2 14, fix end cap 1 in two, fix end cap 23 in two, the outer fixing end cap of two outer fixing end caps 1, two 2 15, two melt quartz plate 18 and two seal glass sheets 19; Described temperature control system comprises temperature thermocouple 21 and temperature controller 31; An end face of each inner baffle ring 4 is straight end face 27, and another end face relative with this straight end face 27 is angled end-face 28,
The outer circumference surface of described copper ring 5 is fixed with heater 22(for heating copper ring 5), the straight end face 27 of two inner baffle rings 4 is oppositely arranged and is sleeved in copper ring 5, two inner baffle rings 4 all radially removably connect with copper ring 5, the inner chamber of each copper sheathing 24 is made up of the large diameter hole and the small diameter bore that communicate, on each copper sheathing 24 outer walls, be positioned at large diameter hole one end and be fixed with two connection handles 35, described two connection handles 35 are symmetrical arranged with respect to the center line of copper sheathing 24, two large diameter hole one end of two copper sheathings 24 are oppositely arranged, crystal 8 is arranged in two large diameter holes of two copper sheathings 24, the connection handle 35 of two copper sheathings 24 is corresponding and removably connect one by one, two copper sheathings 24 are arranged between two inner baffle rings 4, and the connection handle 35 of two copper sheathings 24 is fixedly clamped between two inner baffle rings 4, on the angled end-face 28 of each inner baffle ring 4, be provided with a seal glass sheet 19, the lateral surface of two seal glass sheets 19 is respectively provided with and in one, fixes end cap 1, the inner face of interior fixing end cap 1 is oblique inner face, the interior fixing oblique inner face of end cap 1 and angled end-face 28 gradients of inner baffle ring 4 are consistent,
Each interior fixing end cap 1 is connected (adopting screw to connect) with the abutting end of copper ring 5, each seal glass sheet 19 is fixed on the angled end-face 28 of inner baffle ring 4 by the oblique inner face sealing of interior fixing end cap 1, two seal glass sheets 19 be arranged in parallel, a protecting sheathing 11 of outside suit of heater 22, the two ends of protecting sheathing 11 respectively with in one, fix end cap 23 and be connected (being connected by screw), the bottom of protecting sheathing 11 is supported fixing by fixed support 20, fixed support 20 is connected with the bottom of vaccum case 1 inwall, the two ends of vaccum case 1 connect (being connected by screw) with corresponding outer fixing end cap 2 15, between the two ends of vaccum case 1 and corresponding outer fixing end cap 2 15, seal by a sealing ring 2 14, the top of vaccum case 1 sidewall is provided with vacuum interface 7, in two, fix and in end cap 1 and two, fix end cap 23 and be equipped with central through hole, the middle part of the medial surface of two outer fixing end caps 2 15 is respectively provided with an outer fixing end cap 1, outer fixing end cap 1 is connected (being connected by screw) with outer fixing end cap 2 15, the middle part of outer fixing end cap 1 is provided with notch cuttype fenestra, the notch cuttype fenestra of each outer fixing end cap 1 melts quartz plate 18 by one and seals, the middle part of outer fixing end cap 2 15 is provided with spies on fenestra 30, melt between quartz plate 18 and outer fixing end cap 2 15 by sealing ring one 17 sealings, temperature thermocouple 21 is fixed on the lateral wall of copper ring 5 through vaccum case 1, protecting sheathing 11 and heater 22, the Displaying Meter 29 of temperature thermocouple 21 is arranged on temperature controller 31, temperature thermocouple 21 is connected with the Displaying Meter 29 of temperature thermocouple 21 by wire, temperature thermocouple 21 is for detection of the temperature of copper ring 5, the temperature data that described Displaying Meter 29 is exported is to temperature controller 31, temperature controller 31 is connected with heater 22 by wire, realizes the closure of the circuit of heater 22 by control system.
Described two seal glass sheets 19 in present embodiment be arranged in parallel.
Embodiment two: in conjunction with Fig. 1, Fig. 3 and Fig. 4 explanation, described in present embodiment, the lateral wall of two copper sheathings 24 respectively offers a keyway 23, two keyways 23 are arranged on same straight line, on the inwall of copper ring 5, offer along its length groove 26, groove 26 is corresponding with two keyways 23, in each corresponding keyway 23 and groove 26, a key 6 is housed, two copper sheathings 24 respectively radially removably connect by a key 6 and copper ring 5, and close contact between the lateral wall of two copper sheathings 24 and the madial wall of copper ring 5.In present embodiment, undocumented technical characterictic is identical with embodiment one.
Embodiment three: in conjunction with Fig. 1 and Fig. 3 explanation, offer screwed hole 25 described in present embodiment on the lateral wall of copper ring 5, temperature thermocouple 21 is connected with the screwed hole 25 of copper ring 5.In present embodiment, undocumented technical characterictic is identical with embodiment two.
Embodiment four: in conjunction with Fig. 1 explanation, heater 22 is resistance heater described in present embodiment.In present embodiment, undocumented technical characterictic is identical with embodiment two.
Embodiment five: in conjunction with Fig. 1 explanation, the optical axis of crystal 8, the center line that two melt quartz plate 18 and two copper sheathings 24 overlap described in present embodiment.So arrange, can guarantee that laser beam passes through.In present embodiment, undocumented technical characterictic is identical with embodiment two.
Embodiment six: in conjunction with Fig. 2 explanation, the angled end-face 28 of each inner baffle ring 4 is α with the angle between end face 27 directly described in present embodiment, α=5 °.So arrange, can eliminate the impact of stray light.In present embodiment, undocumented technical characterictic is identical with embodiment one.
The course of work of the present invention (referring to Fig. 1):
Crystal is carefully placed in copper sheathing, is screwed.Two keys are arranged on respectively in the keyway of two inner baffle rings, then fix by an adjacent outer face of trip bolt and inner baffle ring fixing end cap one in one of them, in copper ring, put in turn a seal glass sheet, an inner baffle ring, be placed with the copper sheathing of crystal, remaining next inner baffle ring and remaining next seal glass sheet, in installation process, keep away manual-free and directly contact seal glass sheet, finally interior fixing end cap two is connected with the end face of protecting sheathing, in two, fixing end cap two is fixedly clamped copper ring, protecting sheathing packs in vaccum case, protecting sheathing is fixed in vaccum case with fixed support, the two ends of vaccum case are connected with two outer fixing end caps two, outer fixing end cap two is connected with outer fixing end cap one, between outer fixing end cap two and outer fixing end cap one, seal by sealing ring one, between vaccum case and outer fixing end cap two, seal by sealing ring two.
Finally, temperature thermocouple is fixed in the screwed hole of copper ring, temperature value in setup control instrument as required, power-on also heats crystal, and after 50min, crystal temperature effect can reach stable, temperature value on control instrument can be set simultaneously, the value of fluctuating of control of heat source, in the time finely tuning plane of crystal temperature at needs, can control by control instrument, when setting after new temperature value, after 15min, can again reach balance.
In the time of needs vacuum environment, be connected with vacuum interface by vacuum suction device, inner air is found time, and then heating crystal.
Claims (6)
1. the adjustable high-precision temperature control device of crystal bore, it comprises heater (22), it is characterized in that: the adjustable high-precision temperature control device of described crystal bore also comprises vaccum case (1), copper ring (5), protecting sheathing (11), fixed support (20), temperature control system, two copper sheathings (24), two inner baffle rings (4), two sealing rings one (17), two sealing rings two (14), in two, fix end cap one (2), in two, fix end cap two (3), two outer fixing end caps one (16), two outer fixing end caps two (15), two melt quartz plate (18) and two seal glass sheets (19), described temperature control system comprises temperature thermocouple (21) and temperature controller (31), an end face of each inner baffle ring (4) is straight end face (27), another end face relative with this straight end face (27) is angled end-face (28), the outer circumference surface of described copper ring (5) is fixed with heater (22), the straight end face (27) of two inner baffle rings (4) is oppositely arranged and is sleeved in copper ring (5), two inner baffle rings (4) all radially removably connect with copper ring (5), the inner chamber of each copper sheathing (24) is made up of the large diameter hole and the small diameter bore that communicate, on each copper sheathing (24) outer wall, be positioned at large diameter hole one end and be fixed with two connection handles (35), described two connection handles (35) are symmetrical arranged with respect to the center line of copper sheathing (24), two large diameter hole one end of two copper sheathings (24) are oppositely arranged, crystal (8) is arranged in two large diameter holes of two copper sheathings (24), the connection handle (35) of two copper sheathings (24) is corresponding and removably connect one by one, two copper sheathings (24) are arranged between two inner baffle rings (4), and the connection handle (35) of two copper sheathings (24) is fixedly clamped between two inner baffle rings (4), on the angled end-face (28) of each inner baffle ring (4), be provided with a seal glass sheet (19), the lateral surface of two seal glass sheets (19) is respectively provided with and in one, fixes end cap one (2), the inner face of interior fixing end cap one (2) is oblique inner face, the interior fixing oblique inner face of end cap one (2) and angled end-face (28) gradient of inner baffle ring (40) are consistent, each interior fixing end cap one (2) is connected with the abutting end of copper ring (5), each seal glass sheet (19) is fixed on the angled end-face (28) of inner baffle ring (4) by the oblique inner face sealing of interior fixing end cap one (2), two seal glass sheets (19) be arranged in parallel, an outside protecting sheathing of suit (11) of heater (22), the two ends of protecting sheathing (11) respectively with in one, fix end cap two (3) and be connected, the bottom of protecting sheathing (11) is supported fixing by fixed support (20), fixed support (20) is connected with the bottom of vaccum case (1) inwall, the two ends of vaccum case (1) connect with corresponding outer fixing end cap two (15), between the two ends of vaccum case (1) and corresponding outer fixing end cap two (15), seal by a sealing ring two (14), the top of vaccum case (1) sidewall is provided with vacuum interface (7), in two, fix and in end cap one (2) and two, fix end cap two (3) and be equipped with central through hole, the middle part of the medial surface of two outer fixing end caps two (15) is respectively provided with an outer fixing end cap one (16), outer fixing end cap one (16) is connected with outer fixing end cap two (15), the middle part of outer fixing end cap one (16) is provided with notch cuttype fenestra, the notch cuttype fenestra of each outer fixing end cap one (16) melts quartz plate (18) sealing by one, the middle part of outer fixing end cap two (15) is provided with spies on fenestra (30), melt between quartz plate (18) and outer fixing end cap two (15) by sealing ring one (17) sealing, temperature thermocouple (21) is fixed on the lateral wall of copper ring (5) through vaccum case (1), protecting sheathing (11) and heater (22), the Displaying Meter (29) of temperature thermocouple (21) is arranged on temperature controller (31), temperature thermocouple (21) is connected with the Displaying Meter (29) of temperature thermocouple (21) by wire, the temperature data of described Displaying Meter (29) output is to temperature controller (31), and temperature controller (31) is connected with heater (22) by wire.
2. the adjustable high-precision temperature control device of a kind of crystal bore according to claim 1, it is characterized in that: the lateral wall of described two copper sheathings (24) respectively offers a keyway (23), two keyways (23) are arranged on same straight line, on the inwall of copper ring (5), offer along its length groove (26), groove (26) is corresponding with two keyways (23), in each corresponding keyway (23) and groove (26), a key (6) is housed, two copper sheathings (24) respectively radially removably connect by a key (6) and copper ring (5), and close contact between the madial wall of the lateral wall of two copper sheathings (24) and copper ring (5).
3. the adjustable high-precision temperature control device of a kind of crystal bore according to claim 2, is characterized in that: on the lateral wall of described copper ring (5), offer screwed hole (25), temperature thermocouple (21) is connected with the screwed hole (25) of copper ring (5).
4. the adjustable high-precision temperature control device of a kind of crystal bore according to claim 2, is characterized in that: described heater (22) is resistance heater.
5. the adjustable high-precision temperature control device of a kind of crystal bore according to claim 2, is characterized in that: the optical axis of described crystal (8), the center line that two melt quartz plate (18) and two copper sheathings (24) overlap.
6. the adjustable high-precision temperature control device of a kind of crystal bore according to claim 1, is characterized in that: the angle between the angled end-face (28) of described each inner baffle ring (4) and straight end face (27) is α, α=5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410066534.4A CN103794971B (en) | 2014-02-26 | 2014-02-26 | The adjustable high accuracy temperature control device of a kind of crystal bore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410066534.4A CN103794971B (en) | 2014-02-26 | 2014-02-26 | The adjustable high accuracy temperature control device of a kind of crystal bore |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103794971A true CN103794971A (en) | 2014-05-14 |
| CN103794971B CN103794971B (en) | 2016-04-20 |
Family
ID=50670420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410066534.4A Active CN103794971B (en) | 2014-02-26 | 2014-02-26 | The adjustable high accuracy temperature control device of a kind of crystal bore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103794971B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161965A (en) * | 2015-10-12 | 2015-12-16 | 哈尔滨工业大学 | Large-aperture crystal frequency-doubling conversion device realizing frequency conversion and light beam focusing |
| CN111367331A (en) * | 2020-03-05 | 2020-07-03 | 南京工业大学 | System and method for realizing high-precision temperature control of large-caliber nonlinear crystal by adopting local intensified heating |
| CN114122896A (en) * | 2020-12-24 | 2022-03-01 | 武汉奇致激光技术股份有限公司 | Device for adjusting electro-optical Q-switch |
| CN114122896B (en) * | 2020-12-24 | 2024-07-26 | 武汉奇致激光技术股份有限公司 | Device for adjusting electro-optical Q-switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5790575A (en) * | 1996-07-15 | 1998-08-04 | Trw Inc. | Diode laser pumped solid state laser gain module |
| JP2000089006A (en) * | 1998-09-11 | 2000-03-31 | Mitsubishi Electric Corp | Solid optical element mount cell |
| CN102394463A (en) * | 2011-11-18 | 2012-03-28 | 中国工程物理研究院应用电子学研究所 | Cooling system for crystal used by laser |
| CN103474865A (en) * | 2013-09-27 | 2013-12-25 | 北京无线电计量测试研究所 | Device used for cooling sheet-shaped laser gain media |
-
2014
- 2014-02-26 CN CN201410066534.4A patent/CN103794971B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5790575A (en) * | 1996-07-15 | 1998-08-04 | Trw Inc. | Diode laser pumped solid state laser gain module |
| JP2000089006A (en) * | 1998-09-11 | 2000-03-31 | Mitsubishi Electric Corp | Solid optical element mount cell |
| CN102394463A (en) * | 2011-11-18 | 2012-03-28 | 中国工程物理研究院应用电子学研究所 | Cooling system for crystal used by laser |
| CN103474865A (en) * | 2013-09-27 | 2013-12-25 | 北京无线电计量测试研究所 | Device used for cooling sheet-shaped laser gain media |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161965A (en) * | 2015-10-12 | 2015-12-16 | 哈尔滨工业大学 | Large-aperture crystal frequency-doubling conversion device realizing frequency conversion and light beam focusing |
| CN105161965B (en) * | 2015-10-12 | 2018-03-27 | 哈尔滨工业大学 | A kind of heavy caliber crystal double frequency conversion equipment for realizing frequency conversion and light beam focusing |
| CN111367331A (en) * | 2020-03-05 | 2020-07-03 | 南京工业大学 | System and method for realizing high-precision temperature control of large-caliber nonlinear crystal by adopting local intensified heating |
| CN111367331B (en) * | 2020-03-05 | 2021-06-29 | 南京工业大学 | System and method for realizing high-precision temperature control of large-caliber nonlinear crystal by adopting local intensified heating |
| CN114122896A (en) * | 2020-12-24 | 2022-03-01 | 武汉奇致激光技术股份有限公司 | Device for adjusting electro-optical Q-switch |
| CN114122896B (en) * | 2020-12-24 | 2024-07-26 | 武汉奇致激光技术股份有限公司 | Device for adjusting electro-optical Q-switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103794971B (en) | 2016-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2021277701B2 (en) | Tunable Source Bi-Photons | |
| CN102889929B (en) | A kind of ultraviolet spectrometer (UVS) method for wavelength calibration | |
| CN101615755B (en) | Double-longitudinal-mode laser heat frequency stabilization method and device based on iodine frequency stabilization reference light | |
| CN103794971B (en) | The adjustable high accuracy temperature control device of a kind of crystal bore | |
| CN104538833B (en) | A kind of laser of quadruple final-optics system | |
| CN110473649A (en) | A kind of asymmetric two-dimensional magneto-optical trap method and apparatus preparing super long type Cold atomic cloud | |
| CN103794972B (en) | A kind of heavy caliber crystal high accuracy temperature control device | |
| WO2016186302A1 (en) | Rapid heat treatment apparatus | |
| Song et al. | Efficient nearly-circularly-polarized terahertz generation from an air plasma pumped by collinear and circularly polarized two-color laser fields | |
| CN103794970B (en) | Heavy caliber crystal high accuracy temperature control device under a kind of vacuum condition | |
| CN102192797A (en) | Smelting temperature measuring device for directional solidification | |
| CN104949921A (en) | Optical measuring system for measuring optical polarization properties of sample | |
| CN103808694A (en) | Large-diameter crystal defect detection method and large-diameter crystal defect detection device | |
| CN112432904B (en) | Novel liquid crystal polarization modulator and detection method thereof | |
| CN204045925U (en) | Deep ultraviolet laser generating and transmitting device | |
| CN203643133U (en) | A test system | |
| CN204918836U (en) | Sapphire single crystal growth furnace window | |
| CN105974598A (en) | Naked-eye 3D display lens apparatus and preparation method thereof, and naked-eye 3D display apparatus | |
| CN105044476A (en) | Electric field measuring device | |
| CN204405719U (en) | A kind of external current mutual inductor | |
| CN220233716U (en) | Temperature control device | |
| CN108614341A (en) | Anti-vibration coaxial optical path device and manufacturing method thereof | |
| CN114076575B (en) | Vacuum interferometer device and optical detection method thereof | |
| Zhai et al. | Measurement of thermal refractive index coefficients of nonlinear optical crystal RbBe2BO3F2 | |
| CN206638589U (en) | A kind of resin transparent degree monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Peng Inventor after: Lu Lihua Inventor after: Sun Fuzhong Inventor after: Liang Yingchun Inventor before: Liang Yingchun Inventor before: Zhang Peng Inventor before: Lu Lihua Inventor before: Sun Fuzhong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIANG YINGCHUN ZHANG PENG LU LIHUA SUN FUZHONG TO: ZHANG PENG LU LIHUA SUNFUZHONG LIANG YINGCHUN |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |