CN103258575A - Vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system - Google Patents
Vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system Download PDFInfo
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- CN103258575A CN103258575A CN2013101559812A CN201310155981A CN103258575A CN 103258575 A CN103258575 A CN 103258575A CN 2013101559812 A CN2013101559812 A CN 2013101559812A CN 201310155981 A CN201310155981 A CN 201310155981A CN 103258575 A CN103258575 A CN 103258575A
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- 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
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Abstract
The invention relates to a vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system and belongs to the technical field of optical focusing and frequency conversion. The vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system solves the problem that an integral structure of an existing optical focusing and frequency conversion system is not beneficial to on-line replacement. The vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system comprises a target window unit part, a frequency conversion unit part, a focusing lens unit part and a light beam measuring sampling part, wherein the tail end of the target window unit part is in sealing connection with a shell body at the head end of the frequency conversion unit part through a flange, the tail end of the frequency conversion unit part is in sealing connection with a shell body at the head end of the focusing lens unit part through a flange, the tail end of the focusing lens unit part is in sealing connection with a shell body at the head end of the light beam measuring sampling part through a flange, and an atmosphere chamber is formed by the target window unit part, the frequency conversion unit part and the focusing lens unit part. The mechanical structure is designed into a detachable assembly, and rapid replacement of each composition part and each internal assembly can be achieved by a rapid disassembly mechanism through corresponding hatches formed in the shell bodies. The vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system is applicable to the heavy-caliber optical focusing and frequency conversion.
Description
Technical field
The present invention relates to the controlled high flux large-aperture optical of a kind of vacuum and focus on and frequency conversion system, belong to optical focus and frequency convener technology field.
Background technology
Under the traction of laser fusion technology, U.S. worldwide, method, in, state such as Russia successively setting up huge laser aid, the national portfire NIF and the megajoule laser instrument LMJ that are building respectively as the U.S. and France.One of important essential elements assembly of the target range Light Electronic Control System of refreshing light-III laser aid that China is developing is exactly that the controlled high flux large-aperture optical of vacuum focuses on and frequency conversion system, this system's major function is to finish frequency inverted, harmonic separation, focus on transmission, focal spot control and beam sampling etc., as light, machine, the electricity assembled unit, the integrated multiple heavy caliber that frequently is subjected to the superlaser irradiation, the high value optical element, contained the accurate dress of optical element school, the nearly high-precision motion control of eight coordinates, the parasitic light management, hundred grades of cleanings, vacuum obtains, the structure static and dynamic performance optimize and complex conditions under many-sided contents such as dismounting maintenance, be a kind of large complicated highly difficult, high precision special optical device.
The optical element that relates in the controlled high flux large-aperture optical focusing of the vacuum of using and the frequency conversion system when certain optical element is damaged, can't carry out online replacing owing to adopt the integral type setting; And supporting setting had again both influenced work efficiency, can cause great waste again.
Summary of the invention
The present invention is the problem that is unfavorable for online replacing for the integral structure that solves existing optical focus and frequency conversion system, provides the controlled high flux large-aperture optical of a kind of vacuum to focus on and frequency conversion system.
The controlled high flux large-aperture optical of vacuum of the present invention focuses on and frequency conversion system, and it comprises target window unit portion, frequency translation unit portion, condenser lens unit portion and light velocity measurement sampling portion,
Between the terminal housing with frequency translation unit radicals by which characters are arranged in traditional Chinese dictionaries end of target window unit portion, frequency translation unit portion is terminal with the housing of condenser lens unit radicals by which characters are arranged in traditional Chinese dictionaries end between and condenser lens unit portion end and light velocity measurement take a sample and all be connected by flange seal between the housing of radicals by which characters are arranged in traditional Chinese dictionaries end, target window unit portion, frequency translation unit portion and condenser lens unit portion form the atmosphere chamber, form the condenser lens air chamber by the vacuum insulating window isolation between the condenser lens unit portion of this atmosphere chamber and the light velocity measurement sampling portion and measure the sampling air chamber, the condenser lens air chamber is different with the vacuum tightness of measuring the air chamber of taking a sample;
Target window unit portion end side arranges the sealed window pressing plate,
The first side wall of frequency translation unit portion housing is provided with crystal and safeguards hatch door, crystal locking operation hatch door is set on the 3rd sidewall of frequency translation unit portion housing, and described the first side wall and the 3rd sidewall are two sidewalls that are in relative direction of frequency translation unit portion housing;
On the first side wall of condenser lens unit portion housing optical element is set and safeguards hatch door, the lens motor is set on second sidewall of condenser lens unit portion housing hatch door is installed, the 3rd sidewall of condenser lens unit portion housing is provided with atmosphere chamber inflation inlet flange, the first atmosphere chamber control interface flange and optical element locking operation hatch door, vacuum insulation assembly plug-and-pull port hatch door is set on the 4th sidewall of condenser lens unit portion housing
The side of flange arranges and safeguards the dismounting locating piece between condenser lens unit portion and the light velocity measurement sampling portion, and this safeguards that the dismounting locating piece is positioned at this flange and is connected on the end face of side with condenser lens unit portion,
Light velocity measurement sampling portion is near shielding sheet plug hatch door is set on the 4th sidewall of first end-side, bag installation hatch door is measured near frequency tripling is set on the 4th sidewall of end side by light velocity measurement sampling portion, light velocity measurement sampling portion arranges the second atmosphere chamber control interface flange near on the 3rd sidewall of end side, the end of light velocity measurement sampling portion connects the target chamber joint flange, is provided with frequency tripling in the light velocity measurement sampling portion and measures bag;
Plug-in mounting shielding sheet in the shielding sheet plug hatch door;
Frequency translation unit portion, condenser lens unit portion and the sidewall of light velocity measurement sampling point in same surface correspond to the first side wall, second sidewall, the 3rd sidewall and the 4th sidewall.
A phase optical element installation position, default position on the described target window unit portion inner walls.
Described atmosphere chamber is operated under the 1000Pa vacuum condition.
Light velocity measurement sampling portion is operated in 5 * 10
-4Under the Pa vacuum condition.
Advantage of the present invention is: the present invention is connected and sealed by unified flange between its each composition portion as laser fusion target range optical terminal equipment, and it has adopted modular design, and physical construction is designed to dismantled and assembled assembly.Each composition portion and inner assembly all can be by the corresponding hatch that arranges on the housing, adopt quick-release mechanism to realize changing fast, improved work efficiency, and near the vacuum insulation window assembly of target chamber and two safeguard structures of shielding chip module formation, both realized vacuum insulation, protect the fragment sputter of avoiding practicing shooting of vacuum insulating window optical element again and polluted, and can satisfy the frequent functional requirement of changing of shielding sheet.
The present invention has carried out the standardization of element with optical focus and frequency conversion system, the modularization of each assembly, and the plug-in unitization of unit components, and the cleaningization of device have and are convenient to online replacing, dismounting, are convenient to advantages such as clean cleaning again.
Description of drawings
Fig. 1 is perspective view of the present invention;
Fig. 2 is the first side wall place floor map of each composition portion of the present invention;
Fig. 3 is the second sidewall place floor map of each composition portion of the present invention;
Fig. 4 is the 3rd sidewall place floor map of each composition portion of the present invention;
Fig. 5 is the 4th sidewall place floor map of each composition portion of the present invention;
Fig. 6 arranges the light path principle figure of optical element for inside of the present invention, A is fundamental frequency heavy caliber continuous phase plate CPP among the figure, B is the window glass of target window unit portion, C is two frequency-doubling crystals, and D is mixer crystal, and E is wedge-shaped lens, F is beam sampling grating BSG, G is frequency tripling heavy caliber continuous phase plate CPP, and H is the vacuum insulation sheet, and I is the shielding sheet.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1 to Fig. 5, the controlled high flux large-aperture optical of the described vacuum of present embodiment focuses on and frequency conversion system, it is characterized in that: it comprises target window unit portion 1, frequency translation unit portion 2, condenser lens unit portion 3 and light velocity measurement sampling portion 4
Between the housing of target window unit portion 1 end and frequency translation unit portion 2 head ends, all be connected by flange seal between the terminal housing with condenser lens unit portion 3 head ends of frequency translation unit portion 2 and between the housing of condenser lens unit portion 3 ends and light velocity measurement sampling portion 4 head ends, target window unit portion 1, frequency translation unit portion 2 and condenser lens unit portion 3 form the atmosphere chamber, form the condenser lens air chamber by the vacuum insulating window isolation between the condenser lens unit portion 3 of this atmosphere chamber and the light velocity measurement sampling portion 4 and measure the sampling air chamber, the condenser lens air chamber is different with the vacuum tightness of measuring the air chamber of taking a sample;
Target window unit portion 1 end side arranges sealed window pressing plate 1-1,
The first side wall of frequency translation unit portion 2 housings is provided with crystal and safeguards hatch door 2-1, crystal locking operation hatch door 2-2 is set on the 3rd sidewall of frequency translation unit portion 2 housings, and described the first side wall and the 3rd sidewall are two sidewalls that are in relative direction of frequency translation unit portion 2 housings;
On the first side wall of condenser lens unit portion 3 housings optical element is set and safeguards hatch door 3-1, the lens motor is set on second sidewall of condenser lens unit portion 3 housings hatch door 3-2 is installed, the 3rd sidewall of condenser lens unit portion 3 housings is provided with atmosphere chamber inflation inlet flange 3-3, the first atmosphere chamber control interface flange 3-4 and optical element locking operation hatch door 3-5, vacuum insulation assembly plug-and-pull port hatch door 3-6 is set on the 4th sidewall of condenser lens unit portion 3 housings
The side of flange arranges and safeguards dismounting locating piece 3-7 between condenser lens unit portion 3 and the light velocity measurement sampling portion 4, and this safeguards that dismounting locating piece 3-7 is positioned at this flange and is connected on the end face of side with condenser lens unit portion 3,
Light velocity measurement sampling portion 4 is near shielding sheet plug hatch door 4-1 is set on the 4th sidewall of first end-side, bag installation hatch door 4-2 measures near frequency tripling is set on the 4th sidewall of end side in light velocity measurement sampling portion 4, light velocity measurement sampling portion 4 arranges the second atmosphere chamber control interface flange 4-3 near on the 3rd sidewall of end side, the end of light velocity measurement sampling portion 4 connects target chamber joint flange 4-4, is provided with frequency tripling in the light velocity measurement sampling portion 4 and measures bag 4-5;
Plug-in mounting shielding sheet in the shielding sheet plug hatch door 4-1;
The sidewall that frequency translation unit portion 2, condenser lens unit portion 3 and light velocity measurement sampling portion 4 are positioned at same surface corresponds to the first side wall, second sidewall, the 3rd sidewall and the 4th sidewall.
Present embodiment in use; cooperate with concrete assembly; can be used as combined system light, mechanical, electrical and control; be used for realizing focusing and the frequency translation function of the multiple optical elements of large caliber of high flux under the vacuum controllable state; it is the essential elements assembly of laser fusion target range system; it be used for to realize the functions such as measurement sampling of large-aperture optical frequency inverted, light beam focusing, harmonic separation, focal spot shaping, light beam, also plays simultaneously from the light beam pipeline to the vacuum transition the vacuum target chamber and to the clean protective effect of optical element the assembly.Present embodiment focuses on the controlled high flux large-aperture optical of vacuum with frequency conversion system and adopts modular design, and physical construction is designed to dismantled and assembled assembly.Described focusing and frequency conversion system can be connected and sealed by flange and vacuum target chamber, the position phase optical element of its inner corresponding installation, frequency inverted crystal, wedge-shaped lens assembly, position phase optical element BSG/CPP assembly and vacuum insulation window assembly all can be by the corresponding hatch that arranges on the housing, adopt quick-release mechanism to realize changing fast, can satisfy the functional requirement of frequent replacing near the shielding sheet of target chamber.
In the present embodiment, except sealed window, optical element is online replaceable unit in each composition portion, can carry out online replacing during daily servicing.
In the present embodiment, the sealed window pressing plate 1-1 of target window unit portion 1 can play the effect that is connected with light tunnel.Target window unit portion 1 inside has a phase optical element to reserve the installation position, and position phase optical module can carry out dismounting by crystal locking operation hatch door 2-2 fast.Target window unit portion 1 is made up of clamp structure and the relevant hermetically-sealed construction of vacuum seal window, two optical elements, the one end interface is designed to square being used for and is connected with the light beam pipeline, and the standard flange form that the other end is designed to have vacuum seal structure is connected with frequency translation unit portion 2.
The frequency translation unit portion relevant optical element of 2 configurations can be realized the matching angle of frequency multiplication, mixer crystal is accurately adjusted, and realizes the efficient frequency conversion.Optical crystal adopts spool the quadrature electronic adjustment of two dimension and the adjustment of one dimension manual installation, and two mixing optical crystal spacings can be carried out the electronic adjustment of one dimension, and each crystal assembly can carry out dismounting from corresponding dismounting hatch, and realizes unstressed being installed.The assembly of its inside comprises mechanism's casing, two frequency multiplication angle modulation assemblies, the first mixing angle modulation assembly and second mixing angle modulation and the moving assembly, includes the two-dimentional mirror holder of axle, crystal assembly, micro driving mechanism etc. in each assembly again.
The condenser lens unit portion 3 inner optical modules that arrange have wedge-shaped lens, position phase optical element CPP/BSG, vacuum insulation sheet and shielding sheet, wherein the vacuum insulation sheet can carry out fast assembling-disassembling by vacuum insulation assembly plug-and-pull port hatch door 3-6, the shielding sheet is disposable protective sheet, and 4-1 carries out fast assembling-disassembling by shielding sheet plug hatch door.
Wedge-shaped lens can adopt one dimension vertically to focus clean frequency tripling light is focused on target spot, and by position phase optical element a certain proportion of frequency tripling light beam is sampled to frequency tripling measurement bag 4-5 by certain angle, finishes the even cunning of light beam simultaneously.
The major function of vacuum insulation sheet and shielding sheet is to realize vacuum insulation and fragment protection from splash, and the function of shielding sheet is to prevent that the fragment that target surface produces in the target practice process is attached on the important optical element surface.The function of vacuum insulation sheet is to realize vacuum insulation between vacuum controlled high flux large-aperture optical focusing and frequency conversion system and target chamber, the controlled high flux large-aperture optical of vacuum is focused on frequency conversion system work in about 1 * 10
3The low vacuum environment of Pa is to improve the serviceable life of frequency tripling element chemical films.Condenser lens unit portion 3 inside comprise parts such as condenser lens module mechanism assembly, vacuum insulation window assembly, shielding chip module and hard orientation angle.
Light velocity measurement sampling portion 4 has realized being connected with the transition of vacuum target chamber in total system on the one hand, constitute the supporting section of the controlled high flux large-aperture optical focusing of vacuum and frequency conversion system, on the other hand frequency tripling light is guided to frequency tripling by flange-interface and measure bag 4-5.
Light velocity measurement sampling portion 4 inside comprise that sample beam splits the relevant clamp structure of plate and energy calorimeter, disposable protective sheet service port, energy calorimeter handle hole and target ball counter flange etc.Target chamber joint flange 4-4 one end is connected with the flange that vacuum target chamber matches, and the other end focuses on the controlled high flux large-aperture optical of vacuum and is connected with the frequency conversion system main body, and inside has frequency tripling to measure bag 4-5, and the electronic catoptron of sampling also is installed.
Embodiment two: present embodiment is for to the further specifying of embodiment one, a phase optical element installation position, default position on described target window unit portion 1 inner walls.
Embodiment three: present embodiment is for to the further specifying of embodiment one or two, and described atmosphere chamber is operated under the 1000Pa vacuum condition.
By the atmosphere chamber that target window unit portion 1, frequency translation unit portion 2 and condenser lens unit portion 3 form, condition of work is under the 1000Pa vacuum condition.
Embodiment four: present embodiment is for to embodiment one, two or three further specify, and light velocity measurement sampling portion 4 is operated under 5 * 10-4Pa vacuum condition.
Shown in Figure 6, superlaser enters optical focus of the present invention and frequency conversion system through heavy caliber continuous phase plate CPP, it is by the window glass B of target window unit portion 1, be incident to fundamental crystal C and two mixer crystal D that frequency translation unit portion 2 inside set gradually, the wedge-shaped lens E of line focus lens unit portion 3 inside again, beam sampling grating BSG, it is the light beam of 1.053um that vacuum insulation sheet H and shielding sheet I obtain fundamental frequency 1 ω wavelength, two frequencys multiplication, 2 ω wavelength are that light beam and the frequency tripling 3 ω wavelength of 0.532um are the light beam of 0.351um, after the light of shielding sheet arrives the frequency tripling measurement bag 4-5 of light velocity measurement sampling portion 4, obtain frequency tripling 3 ω sample beam.
The course of work of the present invention:
Superlaser enters optical focus of the present invention and frequency conversion system by target window unit portion 1, target window unit portion 1 has realized the vacuum seal of described optical focus and frequency conversion system, realize simultaneously and being connected and locking of Laser Transmission pipeline, and being connected of realization and frequency translation unit portion 2.
Superlaser enters frequency translation unit portion 2 by target window unit portion 1, realizes accurate location and efficient frequency conversion to the optimum matching angle of a frequency multiplication, two frequencys multiplication and frequency tripling crystal.Crystal locking operation hatch door 2-2 is used for fast assembling-disassembling and the fast online replacement of frequency multiplication, mixer crystal module.
The wedge-shaped lens of condenser lens unit portion 3 inside is used for the realization one dimension and vertically focuses; so that clean frequency tripling light is focused on target spot; position phase optical element is realized the even cunning of superlaser light beam; vacuum insulation equipment is realized atmosphere chamber vacuum insulation and pressure reduction control; shielding device is used for realizing superlaser target practice process fragment protection from splash, protects the optical elements of large caliber in the system of the present invention to avoid infringement.Wherein, atmosphere chamber inflation inlet flange 3-3 is used for the clean certainly of terminal assembly operational process system, the first atmosphere chamber control interface flange 3-4 is used for auxiliary dismounting and the quick online replacing of vacuum insulation equipment, optical element locking operation hatch door 3-5 is used for system of the present invention operational process, On line inspection, fast assembling-disassembling and online replacing in the phase optical element operational process of position.
The superlaser light beam enters target chamber by light velocity measurement sampling portion 4.Light velocity measurement sampling portion 4 has realized being connected of optical focus of the present invention and frequency conversion system and vacuum target chamber, has constituted the supporting section of system, simultaneously the frequency tripling light beam is guided to frequency tripling and measures diagnostic device.The second atmosphere chamber control interface flange 4-3 is used for the online and off-line inspection of sealing property of vacuum insulation equipment between atmosphere chamber and vacuum target chamber.
Claims (4)
1. the controlled high flux large-aperture optical of vacuum focuses on and frequency conversion system, and it is characterized in that: it comprises target window unit portion (1), frequency translation unit portion (2), condenser lens unit portion (3) and light velocity measurement sampling portion (4),
Between the housing of target window unit portion (1) end and frequency translation unit portion (2) head end, all be connected by flange seal between the terminal housing with condenser lens unit portion (3) head end of frequency translation unit portion (2) and between the housing of condenser lens unit portion (3) end and light velocity measurement sampling portion (4) head end, target window unit portion (1), frequency translation unit portion (2) and condenser lens unit portion (3) form the atmosphere chamber, form the condenser lens air chamber by the vacuum insulating window isolation between the condenser lens unit portion (3) of this atmosphere chamber and the light velocity measurement sampling portion (4) and measure the sampling air chamber, the condenser lens air chamber is different with the vacuum tightness of measuring the air chamber of taking a sample;
Target window unit portion (1) end side arranges sealed window pressing plate (1-1),
The first side wall of frequency translation unit portion (2) housing is provided with crystal and safeguards hatch door (2-1), on the 3rd sidewall of frequency translation unit portion (2) housing crystal locking operation hatch door (2-2) is set, described the first side wall and the 3rd sidewall are two sidewalls that are in relative direction of frequency translation unit portion (2) housing;
On the first side wall of condenser lens unit section (3) housing, optical element is set and safeguards hatch door (3-1), the lens motor is set on the second sidewall of condenser lens unit section (3) housing hatch door (3-2) is installed, be provided with atmosphere chamber inflation inlet flange (3-3), the first atmosphere chamber control interface flange (3-4) and optical element locking operation hatch door (3-5) on the 3rd sidewall of condenser lens unit section (3) housing, on the 4th sidewall of condenser lens unit section (3) housing, vacuum insulation assembly plug-and-pull port hatch door (3-6) is set
The side of flange arranges and safeguards dismounting locating piece (3-7) between condenser lens unit portion (3) and the light velocity measurement sampling portion (4), and this safeguards that dismounting locating piece (3-7) is positioned at this flange and is connected on the end face of side with condenser lens unit portion (3),
Light velocity measurement sampling portion (4) is near shielding sheet plug hatch door (4-1) is set on the 4th sidewall of first end-side, bag installation hatch door (4-2) is measured near frequency tripling is set on the 4th sidewall of end side by light velocity measurement sampling portion (4), light velocity measurement sampling portion (4) arranges the second atmosphere chamber control interface flange (4-3) near on the 3rd sidewall of end side, the end of light velocity measurement sampling portion (4) connects target chamber joint flange (4-4), is provided with frequency tripling in the light velocity measurement sampling portion (4) and measures bag (4-5);
The interior plug-in mounting shielding of shielding sheet plug hatch door (4-1) sheet;
The sidewall that frequency translation unit portion (2), condenser lens unit portion (3) and light velocity measurement sampling portion (4) are positioned at same surface corresponds to the first side wall, second sidewall, the 3rd sidewall and the 4th sidewall.
2. the controlled high flux large-aperture optical of vacuum according to claim 1 focuses on and frequency conversion system, it is characterized in that: phase optical element installation position, default position on described target window unit portion (1) inner walls.
3. the controlled high flux large-aperture optical of vacuum according to claim 1 focuses on and frequency conversion system, and it is characterized in that: described atmosphere chamber is operated under the 1000Pa vacuum condition.
4. the controlled high flux large-aperture optical of vacuum according to claim 1 focuses on and frequency conversion system, and it is characterized in that: light velocity measurement sampling portion (4) is operated in 5 * 10
-4Under the Pa vacuum condition.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310155981.2A CN103258575B (en) | 2013-04-28 | 2013-04-28 | Vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system |
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| CN201310155981.2A CN103258575B (en) | 2013-04-28 | 2013-04-28 | Vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system |
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| CN103258575A true CN103258575A (en) | 2013-08-21 |
| CN103258575B CN103258575B (en) | 2015-06-24 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538833A (en) * | 2015-01-19 | 2015-04-22 | 中国工程物理研究院激光聚变研究中心 | Quadruplicated-frequency laser terminal optical system |
| CN105161966A (en) * | 2015-10-12 | 2015-12-16 | 哈尔滨工业大学 | Large-aperture crystal frequency-doubling conversion device realizing crystal temperature regulation and control under forced convection |
| 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 |
| CN105226497A (en) * | 2015-10-12 | 2016-01-06 | 哈尔滨工业大学 | A kind of heavy caliber crystal double frequency conversion equipment of controllable crystal temperature effect |
| CN105223978A (en) * | 2015-10-12 | 2016-01-06 | 哈尔滨工业大学 | A kind of casing adopting thermostatted water recycle design to realize temperature adjusting function |
| CN105244751A (en) * | 2015-10-12 | 2016-01-13 | 哈尔滨工业大学 | Frequency multiplication conversion apparatus for realizing temperature regulation of large-caliber crystals with double temperature control modes |
| CN105244750A (en) * | 2015-10-12 | 2016-01-13 | 哈尔滨工业大学 | Frequency multiplication conversion apparatus for realizing temperature regulation of large-caliber crystals in vacuum environment |
| CN105281192A (en) * | 2015-10-12 | 2016-01-27 | 哈尔滨工业大学 | Large-aperture laser frequency multiplication conversion and focusing device with crystal temperature regulating and control function |
| CN109683309A (en) * | 2018-12-06 | 2019-04-26 | 中国工程物理研究院激光聚变研究中心 | It is a kind of for improving the system and method for the laser induced damage of vacuum window element |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538833A (en) * | 2015-01-19 | 2015-04-22 | 中国工程物理研究院激光聚变研究中心 | Quadruplicated-frequency laser terminal optical system |
| CN105161966A (en) * | 2015-10-12 | 2015-12-16 | 哈尔滨工业大学 | Large-aperture crystal frequency-doubling conversion device realizing crystal temperature regulation and control under forced convection |
| 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 |
| CN105226497A (en) * | 2015-10-12 | 2016-01-06 | 哈尔滨工业大学 | A kind of heavy caliber crystal double frequency conversion equipment of controllable crystal temperature effect |
| CN105223978A (en) * | 2015-10-12 | 2016-01-06 | 哈尔滨工业大学 | A kind of casing adopting thermostatted water recycle design to realize temperature adjusting function |
| CN105244751A (en) * | 2015-10-12 | 2016-01-13 | 哈尔滨工业大学 | Frequency multiplication conversion apparatus for realizing temperature regulation of large-caliber crystals with double temperature control modes |
| CN105244750A (en) * | 2015-10-12 | 2016-01-13 | 哈尔滨工业大学 | Frequency multiplication conversion apparatus for realizing temperature regulation of large-caliber crystals in vacuum environment |
| CN105281192A (en) * | 2015-10-12 | 2016-01-27 | 哈尔滨工业大学 | Large-aperture laser frequency multiplication conversion and focusing device with crystal temperature regulating and control function |
| CN105223978B (en) * | 2015-10-12 | 2017-06-13 | 哈尔滨工业大学 | A kind of use constant temperature water-cycling mode realizes the casing of temperature adjusting function |
| 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 |
| CN105281192B (en) * | 2015-10-12 | 2018-06-22 | 哈尔滨工业大学 | Large-caliber laser frequency-doubled conversion and focusing device with crystal temperature effect adjusting function |
| CN105226497B (en) * | 2015-10-12 | 2018-07-03 | 哈尔滨工业大学 | A kind of heavy caliber crystal double frequency conversion equipment of controllable crystal temperature effect |
| CN105244750B (en) * | 2015-10-12 | 2018-07-06 | 哈尔滨工业大学 | The heavy caliber crystal double frequency conversion equipment of crystal temperature effect regulation and control is realized under vacuum environment |
| CN105161966B (en) * | 2015-10-12 | 2018-09-07 | 哈尔滨工业大学 | The heavy caliber crystal double frequency conversion equipment of crystal temperature effect regulation and control is realized under forced convertion |
| CN109683309A (en) * | 2018-12-06 | 2019-04-26 | 中国工程物理研究院激光聚变研究中心 | It is a kind of for improving the system and method for the laser induced damage of vacuum window element |
| CN109683309B (en) * | 2018-12-06 | 2021-08-24 | 中国工程物理研究院激光聚变研究中心 | System and method for improving laser-induced damage of vacuum window element |
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| CN103258575B (en) | 2015-06-24 |
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