CN105576482A - Longitudinal cooler system for laser crystal - Google Patents
Longitudinal cooler system for laser crystal Download PDFInfo
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- CN105576482A CN105576482A CN201610131882.4A CN201610131882A CN105576482A CN 105576482 A CN105576482 A CN 105576482A CN 201610131882 A CN201610131882 A CN 201610131882A CN 105576482 A CN105576482 A CN 105576482A
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- water
- flaggy
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- width
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/0407—Liquid cooling, e.g. by water
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/042—Arrangements for thermal management for solid state lasers
Abstract
The invention provides a longitudinal cooler system for laser crystal. An upper cover plate layer, a heat dissipation layer, a small-hole water diversion plate layer, a width water diversion plate layer, a cooling water merging layer, an auxiliary soldering tag layer and a bottom cover plate layer of the longitudinal cooler system are stacked up from the bottom up in sequence; the layers are tightly sealed through a welding manner; and a water incoming channel and a water outgoing channel between the layers form cooling loops with a water outlet and a water inlet of a temperature control refrigeration device. A heat dissipation channel formed through layer-by-layer subdivision of the water incoming channel enables the upper cover plate layer to be cooled into a heat dissipation surface, the temperature distribution of which is uniform, so that heat generated by the laser crystal attached on the heat dissipation surface in the working process can be taken away efficiently, uniformity of transverse temperature of the laser crystal is kept, thermal gradient and thermal stress in the laser crystal are reduced, and normal work of the laser is ensured.
Description
Technical field
The invention belongs to laser crystal cooling field, be specifically related to a kind of Longitudinal chiller system for laser crystal.
Background technology
In lath gain module laser system, the service behaviour of Optical Maser System be ensured, need the heat management problems solving laser crystal; This adopts reasonable manner to be walked in the torrid zone produced in laser crystal work with regard to requiring, and keeps the uniformity of laser crystal transverse temperature, reduces to make laser crystal internal thermal gradients, thermal stress.The laser crystal cooler design of current use is unreasonable, and temperature difference of cooler is comparatively large, and temperature distributing disproportionation is even, and hot tonsure, the thermal stress of laser crystal inside are comparatively large, have impact on the normal work of Optical Maser System.
Summary of the invention
The technical problem to be solved in the present invention there is provided a kind of Longitudinal chiller system for laser crystal.
Longitudinal chiller system for laser crystal of the present invention, is characterized in, comprise upper cover flaggy, heat dissipating layer, aperture divide water flaggy, width divides water flaggy, cooling water amalgamation layer, auxiliary weld tabs layer, bottom flaggy, temperature control cool equipment;
Described upper cover flaggy, heat dissipating layer, aperture divide water flaggy, width divides water flaggy, cooling water amalgamation layer, auxiliary weld tabs layer and bottom flaggy superpose from bottom to up successively, adopt welding manner to carry out fit sealing between levels; Described auxiliary weld tabs layer and bottom flaggy have the total water inlet and total delivery port that communicate, and the total water inlet of bottom flaggy communicates with the delivery port of temperature control cool equipment, and total delivery port of bottom flaggy communicates with the water inlet of temperature control cool equipment; The total water inlet of described bottom flaggy divides water flaggy with auxiliary weld tabs layer, cooling water amalgamation layer, width, aperture divides the water inlet of water flaggy, heat dissipating layer order to communicate, and total water outlet divides water flaggy with mouth heat dissipating layer, aperture, width divides water flaggy, the delivery port order of cooling water amalgamation layer, auxiliary weld tabs layer communicates; Form the cooling circuit closed;
Described cooling water amalgamation layer is divided into inhalant region and exhalant region, has the water inlet of cooling water amalgamation layer in inhalant region, has the delivery port of cooling water amalgamation layer in exhalant region;
Described width divides the water inlet of water flaggy and delivery port to be the circular channel that mutually isolated width is equal, and be listed in the center that width divides water flaggy, centered by the center of circle of water inlet and delivery port, divide water muscle rib respectively to both sides radial distribution, a point water muscle rib forms fan-shaped intake tunnel and fan-shaped exhalant canal;
Described aperture divides water flaggy to have into water aperture, divide the fan-shaped intake tunnel of the water inlet of water flaggy to communicate with width, aperture divides water flaggy to have ostium excurrens, divides the fan-shaped exhalant canal of the delivery port of water flaggy to communicate with width, water inlet aperture is identical with ostium excurrens quantity, position one_to_one corresponding;
The water inlet of the heat dissipation channel of described heat dissipating layer and aperture divide the water inlet aperture one_to_one corresponding of water flaggy, are interconnected, the heat dissipation channel distribution in comb-tooth-type along its length, gap between heat dissipation channel is equal, and the delivery port of the heat dissipation channel of heat dissipating layer and aperture divide the ostium excurrens one_to_one corresponding of water flaggy, are interconnected.
Described upper cover flaggy, heat dissipating layer, aperture divide water flaggy, width divides water flaggy, cooling water amalgamation layer, auxiliary weld tabs layer and bottom flaggy adopt conductive coefficient to be more than or equal to 300W/ (mK) metal material and make, and the contact-making surface of each layer is before welding for flatness is less than or equal to the minute surface of 30 μm.
The lower surface of described upper cover flaggy is the minute surface that flatness is less than or equal to 10 μm.
Described aperture divides the water inlet aperture of water flaggy and the width of ostium excurrens to be less than or equal to 500um, the length of aperture is less than or equal to 1.5mm, aperture is separate, the width of the heat dissipation channel of heat dissipating layer is less than or equal to 500um, heat dissipation channel is separate, and single heat dissipation channel length and width ratio is less than or equal to 155:1.
Described upper cover flaggy and aperture divide the upper surface of water flaggy to be coated with solder that thickness is more than or equal to 8 μm.
Described width divides the radial fan-shaped distribution of water flaggy to divide water muscle rib relative to the distribution of widthwise central axial symmetry, and the end of point water muscle is divided equally along on the Width of basin, and point water muscle thickness is less than or equal to 1mm.
Described solder is silver, yellow gold or silver-colored ashbury metal.
Described flow of cooling water process is, cooling water passes through bottom flaggy successively from the delivery port of temperature control cool equipment, the total water inlet of auxiliary weld tabs layer flows into the water inlet of cooling water amalgamation layer inhalant region, divide the water inlet of water flaggy to flow into fan-shaped intake tunnel from width more tentatively to shunt, flow through afterwards after aperture divides the water inlet aperture of water flaggy and carry out preliminary uniform divided flows, the heat dissipation channel flowing through heat dissipating layer subsequently carries out uniform divided flows, make the underlaying surface temperature of upper cover flaggy even, after Homogeneous cooling is carried out to laser crystal to be cooled, cooling water flows into aperture and divides water flaggy ostium excurrens, through the delivery port that width divides the fan-shaped exhalant canal of water flaggy to be collected to width to divide water flaggy, again through the delivery port of cooling water amalgamation layer exhalant region, successively from auxiliary weld tabs layer, total delivery port of bottom flaggy flows out, arrive the water inlet of temperature control cool equipment, use through temperature control cool equipment cooling Posterior circle.
Described upper cover flaggy, heat dissipating layer, aperture divide water flaggy, width divides water flaggy, cooling water amalgamation layer, auxiliary welding process between weld tabs layer and the levels of bottom flaggy are as follows:
A. upper cover flaggy, heat dissipating layer, aperture divides water flaggy, width divides water flaggy, cooling water amalgamation layer, auxiliary weld tabs layer, bottom flaggy according to laminated structure from bottom to up together, use special weld jig clamping, adopt high temperature spacer to isolate between chiller assembly and weld jig, when preventing from welding, fixture and cooler bond together;
B. by clamping cooler together with weld jig, put into vacuum brazing stove, each assembly of cooler is welded into a cooler entirety;
C. cooler is overall and laser crystal bonding together without shrinkage cavity, temperature control cool equipment carries out heat management by the total water inlet of cooler bottom flaggy and total delivery port to crystal.
Longitudinal chiller system for laser crystal of the present invention, can cool according to the shape of laser crystal to be cooled and the multiple Longitudinal cooler of size combinations, laser crystal for sheet type can the multiple Longitudinal cooler of symmetry arrangement up and down, and the laser crystal for cuboid-type can the multiple Longitudinal cooler of symmetry arrangement up and down.The cooling water amalgamation layer of multiple Longitudinal coolers can packet combining, such as, upper and lower symmetry arrangement Longitudinal cooler can be divided into upper and lower two groups, and respectively the water inlet mouth region of the Longitudinal cooler of upper and lower two groups is connected, water outlet mouth region is connected, water inlet and the delivery port of respective amount is offered again according to the quantity often organizing Longitudinal cooler, each water inlet is communicated with delivery port is corresponding with each Longitudinal cooler, make cooling water realize in the water inlet mouth region of cooling water amalgamation layer uniform distribution, water outlet mouth region realize Homogeneous phase mixing.
Longitudinal chiller system for laser crystal of the present invention is the condition that laser crystal provides a steady operation, the heat produced in laser crystal work efficiently can be taken away, and keep the uniformity of laser crystal transverse temperature, reduce thermal gradient, the thermal stress of laser crystal inside, ensure that the normal work of laser.
Accompanying drawing explanation
Fig. 1 is the two-dimentional cutaway view of the Longitudinal chiller system for laser crystal of the present invention;
Fig. 2 is the three dimensional sectional view of the Longitudinal cooler for laser crystal of the present invention;
In figure, 1. upper cover flaggy 2. heat dissipating layer 3. aperture divides water flaggy 4. width to divide water flaggy 5. cooling water amalgamation layer 6. to assist weld tabs layer 7. bottom flaggy 8. temperature control cool equipment.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Embodiment 1
As Figure 1-Figure 2, Longitudinal chiller system for laser crystal of the present invention, comprise upper cover flaggy 1, heat dissipating layer 2, aperture divide water flaggy 3, width divides water flaggy 4, cooling water amalgamation layer 5, auxiliary weld tabs layer 6, bottom flaggy 7, temperature control cool equipment;
Described upper cover flaggy 1, heat dissipating layer 2, aperture divide water flaggy 3, width divides water flaggy 4, cooling water amalgamation layer 5, auxiliary weld tabs layer 6 and bottom flaggy 7 superpose from bottom to up successively, adopt welding manner to carry out fit sealing between levels; Described auxiliary weld tabs layer 6 and bottom flaggy 7 have the total water inlet and total delivery port that communicate, and the total water inlet of bottom flaggy 7 communicates with the delivery port of temperature control cool equipment, and total delivery port of bottom flaggy 7 communicates with the water inlet of temperature control cool equipment; Described bottom flaggy 7 total water inlet divides water flaggy 4 with auxiliary weld tabs layer 6, cooling water amalgamation layer 5, width, aperture divides water flaggy 3, the water inlet of heat dissipating layer 2 order communicates, total water outlet divides water flaggy 3 with mouth heat dissipating layer 2, aperture, width divides water flaggy 4, the delivery port of cooling water amalgamation layer 5, auxiliary weld tabs layer 6 sequentially communicates; Form the cooling circuit closed;
Described cooling water amalgamation layer 5 is divided into inhalant region and exhalant region, has the water inlet of cooling water amalgamation layer 5 in inhalant region, has the delivery port of cooling water amalgamation layer 5 in exhalant region;
Described width divides the water inlet of water flaggy 4 and delivery port to be the circular channel that mutually isolated width is equal, and be listed in the center that width divides water flaggy 4, centered by the center of circle of water inlet and delivery port, divide water muscle rib respectively to both sides radial distribution, a point water muscle rib forms fan-shaped intake tunnel and fan-shaped exhalant canal;
Described aperture divides water flaggy 3 to have into water aperture, divide the fan-shaped intake tunnel of the water inlet of water flaggy 4 to communicate with width, aperture divides water flaggy 3 to have ostium excurrens, divides the fan-shaped exhalant canal of the delivery port of water flaggy 4 to communicate with width, water inlet aperture is identical with ostium excurrens quantity, position one_to_one corresponding;
The water inlet of the heat dissipation channel of described heat dissipating layer 2 and aperture divide the water inlet aperture one_to_one corresponding of water flaggy 3, are interconnected, the heat dissipation channel distribution in comb-tooth-type along its length, gap between heat dissipation channel is equal, and the delivery port of the heat dissipation channel of heat dissipating layer 2 and aperture divide the ostium excurrens one_to_one corresponding of water flaggy 3, are interconnected.
Described upper cover flaggy 1, heat dissipating layer 2, aperture divide water flaggy 3, width divides water flaggy 4, cooling water amalgamation layer 5, auxiliary weld tabs layer 6 and bottom flaggy 7 adopt conductive coefficient to be that 300W/ (mK) metal material is made, and the contact-making surface of each layer is minute surface that flatness equals 30 μm before welding.
The lower surface of described upper cover flaggy 1 is the minute surface that flatness equals 10 μm.
Described aperture divides the water inlet aperture of water flaggy 3 and the width of ostium excurrens to equal 500um, and the length of aperture equals 1.5mm, and the width of the heat dissipation channel of heat dissipating layer 2 equals 500um, and single heat dissipation channel length and width ratio equals 150:1.
The solder that described upper cover flaggy 1 and aperture divide the upper surface of water flaggy 3 to be coated with thickness to equal 8 μm.
Described width divides point water muscle thickness of water flaggy 4 to equal 1mm.
Described solder is silver.
Described laser crystal is sheet type, upper and lower symmetry arrangement 2 groups is totally 4 Longitudinal coolers, the water inlet mouth region of upper group 2 Longitudinal coolers is connected, water outlet mouth region is connected, 2 water inlets are offered the water inlet mouth region of upper group, 2 delivery ports are offered in water outlet mouth region, 2 water inlets and 2 delivery ports are corresponding with 2 Longitudinal coolers of upper group to be communicated with, make cooling water realize in the water inlet mouth region of cooling water amalgamation layer 5 uniform distribution, water outlet mouth region realize Homogeneous phase mixing.
Described flow of cooling water process is, cooling water passes through bottom flaggy 7 successively from the delivery port of temperature control cool equipment, the total water inlet of auxiliary weld tabs layer 6 flows into the water inlet of cooling water amalgamation layer 5 inhalant region, divide the water inlet of water flaggy 4 to flow into fan-shaped intake tunnel from width more tentatively to shunt, flow through afterwards after aperture divides the water inlet aperture of water flaggy 3 and carry out preliminary uniform divided flows, the heat dissipation channel flowing through heat dissipating layer 2 subsequently carries out uniform divided flows, make the underlaying surface temperature of upper cover flaggy 1 even, after Homogeneous cooling is carried out to the laser crystal of attachment, cooling water flows into aperture and divides water flaggy 3 ostium excurrens, through the delivery port that width divides the fan-shaped exhalant canal of water flaggy 4 to be collected to width to divide water flaggy 4, again through the delivery port of cooling water amalgamation layer 5 exhalant region, successively from auxiliary weld tabs layer 6, total delivery port of bottom flaggy 7 flows out, arrive the water inlet of temperature control cool equipment, use through temperature control cool equipment cooling Posterior circle.
Embodiment 2
Embodiment 2 is substantially identical with execution mode with the structure of embodiment 1, and the main distinction is:
Described upper cover flaggy 1, heat dissipating layer 2, aperture divide water flaggy 3, width divides water flaggy 4, cooling water amalgamation layer 5, auxiliary weld tabs layer 6 and bottom flaggy 7 adopt conductive coefficient to be that 350W/ (mK) metal material is made, and the contact-making surface of each layer is minute surface that flatness equals 20 μm before welding.
The lower surface of described upper cover flaggy 1 is the minute surface that flatness equals 8 μm.
Described aperture divides the water inlet aperture of water flaggy 3 and the width of ostium excurrens to equal 400um, and the width of the heat dissipation channel of heat dissipating layer 2 equals 400um, and the length of aperture equals 1.2mm, and single heat dissipation channel length and width ratio equals 130:1.
The solder that described upper cover flaggy 1 and aperture divide the upper surface of water flaggy 3 to be coated with thickness to equal 10 μm.
Described width divides point water muscle thickness of water flaggy 4 to equal 0.8mm.
Described solder is yellow gold.
Embodiment 3
Embodiment 3 is substantially identical with execution mode with the structure of embodiment 1, and the main distinction is:
Described upper cover flaggy 1, heat dissipating layer 2, aperture divide water flaggy 3, width divides water flaggy 4, cooling water amalgamation layer 5, auxiliary weld tabs layer 6 and bottom flaggy 7 adopt conductive coefficient to be that 400W/ (mK) metal material is made, and the contact-making surface of each layer is minute surface that flatness equals 10 μm before welding.
The lower surface of described upper cover flaggy 1 is the minute surface that flatness equals 6 μm.
Described aperture divides the water inlet aperture of water flaggy 3 and the width of ostium excurrens to equal 300um, and the length of aperture equals 0.9mm, and the width of the heat dissipation channel of heat dissipating layer 2 equals 300um, and single heat dissipation channel length and width ratio equals 110:1.
The solder that described upper cover flaggy 1 and aperture divide the upper surface of water flaggy 3 to be coated with thickness to equal 12 μm.
Described width divides point water muscle thickness of water flaggy 4 to equal 0.3mm.
Described solder is silver-colored ashbury metal.
The present invention is not limited to above-mentioned embodiment, and person of ordinary skill in the field is from above-mentioned design, and without performing creative labour, done all conversion, all drop within protection scope of the present invention.
Claims (7)
1. the Longitudinal chiller system for laser crystal, it is characterized in that, comprise upper cover flaggy (1), heat dissipating layer (2), aperture divides water flaggy (3), width divides water flaggy (4), cooling water amalgamation layer (5), auxiliary weld tabs layer (6), bottom flaggy (7), temperature control cool equipment (8);
Described upper cover flaggy (1), heat dissipating layer (2), aperture divide water flaggy (3), width divides water flaggy (4), cooling water amalgamation layer (5), auxiliary weld tabs layer (6) and bottom flaggy (7) superpose from bottom to up successively, adopt welding manner to carry out fit sealing between levels; Described auxiliary weld tabs layer (6) and bottom flaggy (7) have the total water inlet and total delivery port that communicate, the total water inlet of bottom flaggy (7) communicates with the delivery port of temperature control cool equipment (8), and total delivery port of bottom flaggy (7) communicates with the water inlet of temperature control cool equipment (8); Described bottom flaggy (7) total water inlet divides water flaggy (4) with auxiliary weld tabs layer (6), cooling water amalgamation layer (5), width, aperture divides water flaggy (3), the water inlet of heat dissipating layer (2) order communicates, total water outlet divides water flaggy (3) with mouth heat dissipating layer (2), aperture, width divides water flaggy (4), the delivery port of cooling water amalgamation layer (5), auxiliary weld tabs layer (6) sequentially communicates; Form the cooling circuit closed;
Described cooling water amalgamation layer (5) is divided into inhalant region and exhalant region, has the water inlet of cooling water amalgamation layer (5), have the delivery port of cooling water amalgamation layer (5) in exhalant region in inhalant region;
Described width divides the water inlet of water flaggy (4) and delivery port to be the circular channel that mutually isolated width is equal, and be listed in the center that width divides water flaggy (4), centered by the center of circle of water inlet and delivery port, divide water muscle rib respectively to the radial fan-shaped distribution in both sides, a point water muscle rib forms fan-shaped intake tunnel and fan-shaped exhalant canal;
Described aperture divides water flaggy (3) to have into water aperture, the fan-shaped intake tunnel of the water inlet of water flaggy (4) is divided to communicate with width, aperture divides water flaggy (3) to have ostium excurrens, the fan-shaped exhalant canal of the delivery port of water flaggy (4) is divided to communicate with width, water inlet aperture is identical with ostium excurrens quantity, position one_to_one corresponding;
The water inlet of described heat dissipating layer (2) heat dissipation channel and aperture divide the water inlet aperture one_to_one corresponding of water flaggy (3), are interconnected, the heat dissipation channel distribution in comb-tooth-type along its length, gap between heat dissipation channel is equal, and the delivery port of the heat dissipation channel of heat dissipating layer (2) and aperture divide the ostium excurrens one_to_one corresponding of water flaggy (3), are interconnected.
2. the Longitudinal chiller system for laser crystal according to claim 1, it is characterized in that, described upper cover flaggy (1), heat dissipating layer (2), aperture divide water flaggy (3), width divides water flaggy (4), cooling water amalgamation layer (5), auxiliary weld tabs layer (6) and bottom flaggy (7) adopt conductive coefficient to be more than or equal to 300W/ (mK) metal material and make, and the contact-making surface of each layer is before welding for flatness is less than or equal to the minute surface of 30 μm.
3. the Longitudinal chiller system for laser crystal according to claim 1, is characterized in that, the lower surface of described upper cover flaggy (1) is the minute surface that flatness is less than or equal to 10 μm.
4. the Longitudinal chiller system for laser crystal according to claim 1, it is characterized in that, described aperture divides the water inlet aperture of water flaggy (3) and the width of ostium excurrens to be less than or equal to 500um, the length of aperture is less than or equal to 1.5mm, aperture is separate, the width of the heat dissipation channel of heat dissipating layer (2) is less than or equal to 500um, and heat dissipation channel is separate, and single heat dissipation channel length and width ratio is less than or equal to 155:1.
5. the Longitudinal chiller system for laser crystal according to claim 1, is characterized in that, described upper cover flaggy (1) and aperture divide the upper surface of water flaggy (3) to be coated with the solder that thickness is more than or equal to 8 μm.
6. the Longitudinal chiller system for laser crystal according to claim 1, it is characterized in that, described width divides the radial fan-shaped distribution of water flaggy (4) to divide water muscle rib to distribute relative to widthwise central axial symmetry, divide the end of water muscle to divide equally along on the Width of basin, point water muscle thickness is less than or equal to 1mm.
7. the Longitudinal chiller system for laser crystal according to claim 1, is characterized in that, described solder is silver, yellow gold or silver-colored ashbury metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610131882.4A CN105576482B (en) | 2016-03-09 | 2016-03-09 | A kind of Longitudinal chiller system for laser crystal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610131882.4A CN105576482B (en) | 2016-03-09 | 2016-03-09 | A kind of Longitudinal chiller system for laser crystal |
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| Publication Number | Publication Date |
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| CN105576482A true CN105576482A (en) | 2016-05-11 |
| CN105576482B CN105576482B (en) | 2018-07-03 |
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| CN201610131882.4A Expired - Fee Related CN105576482B (en) | 2016-03-09 | 2016-03-09 | A kind of Longitudinal chiller system for laser crystal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109361138A (en) * | 2018-11-16 | 2019-02-19 | 中国电子科技集团公司第十研究所 | A kind of slab laser gain media packaging method |
| CN111375864A (en) * | 2020-04-28 | 2020-07-07 | 中山市微焊科技有限公司 | Double-row multi-head circulating water-cooling welding chuck |
| CN112797812A (en) * | 2021-03-24 | 2021-05-14 | 四川绵竹剑南春酒厂有限公司 | Water-saving condensing device for brewing wine |
| CN114583532A (en) * | 2022-05-05 | 2022-06-03 | 中国工程物理研究院应用电子学研究所 | Thin-sheet laser crystal cooling device and laser |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111375864A (en) * | 2020-04-28 | 2020-07-07 | 中山市微焊科技有限公司 | Double-row multi-head circulating water-cooling welding chuck |
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| CN114583532B (en) * | 2022-05-05 | 2022-08-05 | 中国工程物理研究院应用电子学研究所 | Thin-sheet laser crystal cooling device and laser |
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| Publication number | Publication date |
|---|---|
| CN105576482B (en) | 2018-07-03 |
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