CN105244750B - The heavy caliber crystal double frequency conversion equipment of crystal temperature effect regulation and control is realized under vacuum environment - Google Patents
The heavy caliber crystal double frequency conversion equipment of crystal temperature effect regulation and control is realized under vacuum environment Download PDFInfo
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- CN105244750B CN105244750B CN201510658591.6A CN201510658591A CN105244750B CN 105244750 B CN105244750 B CN 105244750B CN 201510658591 A CN201510658591 A CN 201510658591A CN 105244750 B CN105244750 B CN 105244750B
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Abstract
The heavy caliber crystal double frequency conversion equipment of crystal temperature effect regulation and control is realized under vacuum environment, it is related to heavy caliber crystal double frequency conversion equipment, and in particular to the heavy caliber crystal double frequency conversion equipment of crystal temperature effect regulation and control is realized under vacuum environment.The present invention is to solve the problems, such as that existing heating unit can not realize that heavy caliber crystal accurate temperature controls and crystal can be kept to have higher temperature surface uniformity.First babinet includes case and the first outer container in first, first outer container is sleeved in first outside case, the first intake chamber, the first return flume and a plurality of first bypass channel are machined in first on the outer surface of case, first intake chamber and the first return flume are set up in parallel along the length direction of case in first, a plurality of first bypass channel is set up in parallel around the lateral wall of case in first, one end of every first bypass channel is connected with the first intake chamber, and the other end of every first bypass channel is connected with the first return flume.The present invention is used to implement the frequency-doubled conversion of high-throughput large-caliber laser.
Description
Technical field
The present invention relates to heavy caliber crystal double frequency conversion equipments, and in particular to crystal temperature effect regulation and control are realized under vacuum environment
Heavy caliber crystal double frequency conversion equipment.
Background technology
Frequency-doubled conversion technology is to obtain the important method of a certain specific wavelength laser, mainly by crystal such as KDP, DKDP,
The frequency-doubled effect of ADP etc. obtains the laser of high-frequency, high-energy, since crystal has higher temperature susceplibility, smaller
Temperature change under just the shg efficiency of crystal can be greatly lowered, therefore crystal is needed to carry out high-precision temperature control.
But at present during the use of heavy caliber crystal double frequency mechanism, the temperature of heavy caliber crystal can not be effectively controlled, and this problem
It is urgently to be resolved hurrily.Meanwhile in the frequency-doubled conversion technology of high energy laser, 90 ° of noncritical phase matching technologies because its have compared with
Big effective nonlinear optical coefficient, smaller phase matched angular sensitivity, no optics walk off with the advantages such as utilization rate height and
More and more applied, and the main realization condition of 90 ° of noncritical phase matching technologies is ensuring that crystal is operated in certain
Under one determining temperature condition.At present, for the temperature control technology comparative maturity of small crystals, device also commercialization, but
Be, as previously described, because propose increasingly higher demands to the control of the temperature control precision of heavy caliber crystal, and it is existing plus
Thermal can not realize that heavy caliber crystal accurate temperature controls and crystal can be kept to have higher temperature surface uniformity problem.
Invention content
The present invention can not realize the control of heavy caliber crystal accurate temperature for the existing heating unit of solution and can keep crystal
With higher temperature surface uniformity problem, and then the heavy caliber crystal double frequency for proposing to realize crystal temperature effect regulation and control under vacuum environment turns
Changing device.
The present invention adopts the technical scheme that in order to solve the above problem：Heavy caliber crystal double frequency conversion equipment of the present invention
Including ontology, water flow control valve, inlet channel, constant temperature water tank, water return pipeline, vacuum tube, vacuum machine, heavy caliber crystal double frequency machine
Structure and multiple water pipe heads, the ontology include first end cover, the first babinet, the second babinet and second end cover, the first babinet
One end is tightly connected with first end cover, and the other end of the first babinet and one end of the second babinet are detachably connected, the second babinet
The other end is provided with second end cover, and heavy caliber crystal double frequency mechanism is arranged between the first babinet and the second babinet, and described first
Babinet includes case and the first outer container in first, and the first outer container is sleeved in first outside case, is machined on the outer surface of case in first
First intake chamber, the first return flume and a plurality of first bypass channel, the first intake chamber and the first return flume along case in first length
Degree direction is set up in parallel, and a plurality of first bypass channel is set up in parallel around the lateral wall of case in first, and the one of every first bypass channel
End is connected with the first intake chamber, and the other end of every first bypass channel is connected with the first return flume, corresponding on first outer container
The first water inlet is machined at first intake chamber, the first intake chamber is connected with the first water inlet, first time corresponding on the first outer container
The first water return outlet is machined at sink, the first return flume is connected with the first water return outlet；
The structure of second babinet is identical with the structure of the first babinet, be respectively arranged on the lateral wall of the second babinet second into
The mouth of a river and the second water return outlet are additionally provided with end cover on the lateral wall of the second babinet, are provided on the lateral wall of end cover
Third water inlet and third water return outlet, inlet channel are connect respectively with the first water inlet, the second water inlet and third water inlet, are returned
Waterpipe is connect respectively with the first water return outlet, the second water return outlet and third water return outlet, and water flow control valve is provided on inlet channel
And water pipe head, multiple water pipe heads are provided on water return pipeline, inlet channel and water return pipeline are connected with constant temperature water tank, and
Vacuum port is provided on the lateral wall of one babinet, vacuum machine is connect by vacuum tube with vacuum port.
The beneficial effects of the invention are as follows：The present invention have the advantages that it is easy-operating safely, using under vacuum conditions, passing through control
The temperature of water controls the temperature of heavy caliber crystal in constant temperature water tank processed, in constant temperature water tank the temperature of water be normally controlled in 10 DEG C-
Between 40 DEG C, control mode is fairly simple, while vacuum environment can prevent heavy caliber crystal caused by the heat convection of air
The variation of temperature, can control heavy caliber crystal to reach required temperature, and ontology is ensureing the temperature needed for heavy caliber crystal
It can pass through big beam laser again simultaneously.
Control accuracy of the present invention is high, and the surface uniformity that can control large-size crystals surface temperature is within 0.2 DEG C, is realized
The high accuracy temperature control of heavy caliber frequency-doubling crystal ensures the frequency-doubling conversion efficiency of heavy caliber frequency-doubling crystal.Safe operation is reliable.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention, and Fig. 2 is the structure diagram of ontology, and Fig. 3 is the front view of ontology,
Fig. 4 is sectional view at the A-A of Fig. 3, and Fig. 5 is sectional view at the B-B of Fig. 3, and Fig. 6 is the signal of heavy caliber crystal double frequency mechanism structure
Figure, Fig. 7 is the structure diagram of crystal frame, and Fig. 8 is the structure diagram of first end cover, and Fig. 9 is the water route of case 11-1 in first
Distribution schematic diagram.
Specific embodiment
Specific embodiment one：Illustrate present embodiment with reference to Fig. 1 to Fig. 9, heavy caliber crystal described in present embodiment times
Frequency conversion equipment includes ontology 1, water flow control valve 3, inlet channel 4, constant temperature water tank 5, water return pipeline 6, vacuum tube 7, vacuum machine
8th, heavy caliber crystal double frequency mechanism 9 and multiple water pipe heads 2, the ontology 1 include first end cover 10, the first babinet 11, second
Babinet 12 and second end cover 13, one end and the first end cover 10 of the first babinet 11 are tightly connected, the other end of the first babinet 11 with
One end of second babinet 12 is detachably connected, and the other end of the second babinet 12 is provided with second end cover 13, heavy caliber crystal double frequency
Mechanism 9 is arranged between the first babinet 11 and the second babinet 12, and first babinet 11 is included in first outside case 11-1 and first
Case 11-2, the first outer container 11-2 are sleeved in first outside case 11-1, are machined with the first water inlet in first on the outer surface of case 11-1
Slot 11-1-1, the first return flume 11-1-2 and a plurality of first bypass channel 11-1-3, the first intake chamber 11-1-1 and the first return flume
11-1-2 is set up in parallel along the length direction of case 11-1 in first, and a plurality of first bypass channel 11-1-3 is around case 11-1 in first
Lateral wall be set up in parallel, one end of every first bypass channel 11-1-3 is connected with the first intake chamber 11-1-1, first point every
The other end of sink 11-1-3 is connected with the first return flume 11-1-2, corresponding first intake chamber 11- on the first outer container 11-2
The first water inlet 11-2-1 is machined at 1-1, the first intake chamber 11-1-1 is connected with the first water inlet 11-2-1, the first outer container
On 11-2 the first water return outlet 11-2-2, the first return flume 11-1-2 and the first return water are machined at corresponding first return flume 11-1-2
Mouth 11-2-2 connections；
The structure of second babinet 12 is identical with the structure of the first babinet 11, is respectively arranged on the lateral wall of the second babinet 12
Second water inlet 12-2-1 and the second water return outlet 12-2-2 is additionally provided with end cover 14 on the lateral wall of the second babinet 12, close
Block and be provided with third water inlet 14-1 and third water return outlet 14-2 on the lateral wall of lid 14, inlet channel 4 respectively with first into
Mouth of a river 11-2-1, the second water inlet 12-2-1 are connected with third water inlet 14-1, water return pipeline 6 respectively with the first water return outlet 11-
2-2, the second water return outlet 12-2-2 are connected with third water return outlet 14-2, and water flow control valve 3 is provided on inlet channel 4 and water pipe connects
First 2, multiple water pipe heads 2 are provided on water return pipeline 6, inlet channel 4 and water return pipeline 6 are connected with constant temperature water tank 5, and first
Vacuum port 11-2-3 is provided on the lateral wall of babinet 11, vacuum machine 8 is connect by vacuum tube 7 with vacuum port 11-2-3.
In the present invention, the first bypass channel 11-1-3 is 6 to 8, and the shape of the first intake chamber 11-1-1 is wide, another for one end
Relative to the relatively narrow bar shaped groove body in one end, the first return flume 11-1-2 is identical with the shape of the first intake chamber 11-1-1 at end, the
One return flume 11-1-2 and the first intake chamber 11-1-1 sets in the same plane and is set up in parallel, the first return flume 11-1-2's
Wide end is arranged on the same side, the narrow end of the first return flume 11-1-2 and the first intake chamber 11- with the first intake chamber 11-1-1 narrow ends
1-1 wide ends are arranged on the same side, and the first intake chamber 11-1-1 of such setting can preferably be a plurality of first bypass channel 11-1-3
Water inlet is provided, and the water in a plurality of first bypass channel 11-1-3 is facilitated to flow back into the first return flume 11-1-2, is formed good
Water circulation path.The equal sealed set in both ends of first intake chamber 11-1-1 and the first return flume 11-1-2, prevents water excessive.
In the present invention, first end cover 10 is tightly connected with the first babinet 11, close between the first babinet 11 and the second babinet 12
Envelope connection, the second babinet 12 are directly fixedly connected with right side end cap 13, so set, ensureing the vacuum state in ontology 1.
In the present invention, the structure of heavy caliber crystal double frequency mechanism 9 is disclosed in Patent No. CN201310156653.4,
Its structure is identical with a kind of structure of mixer crystal four-dimensional high-precision adjustment mechanism.
Specific embodiment two：Illustrate present embodiment with reference to Fig. 6 and Fig. 7, heavy caliber crystal described in present embodiment times
Frequency mechanism 9 includes fixed frame 15 and crystal frame 16, and the slip of crystal frame 16 is inserted into fixed frame 15, and crystal frame 16 is equipped with crystal
Temperature control runner 16-1, crystal temperature control runner 16-1 are connected respectively with third water inlet 14-1 and third water return outlet 14-2.Crystal frame
Heavy caliber crystal is fixed in 16, setting crystal temperature control runner 16-1 can preferably control the face of heavy caliber plane of crystal temperature
Uniformity.Other compositions are same as the specific embodiment one with connection relation.
Specific embodiment three：Illustrate present embodiment with reference to Fig. 4, Fig. 6 and Fig. 7, crystal temperature control described in present embodiment
Runner 16-1 is connected respectively with third water inlet 14-1 and third water return outlet 14-2 by vacuum corrugated pipe 22.So set, by
It is flexible in the good airproof performance of vacuum corrugated pipe 22, it can not only ensure the vacuum state in ontology 1, but also can ensure heavy caliber
The motion of crystal double frequency mechanism 9 ensures precision during exercise.Other compositions and connection relation and specific embodiment two-phase
Together.
Specific embodiment four：Illustrate present embodiment with reference to Fig. 8, the first end cover 10 described in present embodiment includes
Connecting flange 17, sealing ring 18, mounting flange 19, cushion rubber 20 and window 21, window 21 are arranged on connecting flange 17 and fixation
In orchid 19, sealed between window 21 and connecting flange 17 by sealing ring 18, pass through cushion rubber between window 21 and mounting flange 19
20 sealings, the structure of second end cover 13 are identical with the structure of first end cover 10.So set, for ontology 1 provide one completely it is close
The environment of envelope, so as to ensure the vacuum state in ontology 1.Other compositions are same as the specific embodiment one with connection relation.
Specific embodiment five：Illustrate present embodiment, the first end cover described in present embodiment with reference to Fig. 3 and Fig. 4
Vacuum air plug 23 is provided in 10 front end surface.It is arranged such, it is ensured that the input and output of electricity and temperature signal, and
Do not influence heat dissipation effect.Other compositions are identical with connection relation with specific embodiment one or four.
Specific embodiment six：Illustrate present embodiment with reference to Fig. 4, the case of second babinet 12 described in present embodiment
Outlet 12-3 is provided on body sidewall, is sealed on outlet 12-3 using sealing ring 18 and end cover 14.So set, outlet
12-3 conveniently can crystal frame 16 dismounting, sealing ring 18 and end cover 14 can ensure the sealing of ontology 1, ensure its vacuum ring
Border.Other compositions are same as the specific embodiment one with connection relation.
Specific embodiment seven：Illustrate present embodiment with reference to Fig. 7, temperature is provided on crystal frame 16 described in present embodiment
Spend sensor 24.So set, the temperature in crystal frame 16 can be detected constantly, heavy caliber plane of crystal can be preferably controlled
The surface uniformity of temperature.Other compositions are identical with embodiment two with connection relation.
Operation principle
First babinet 11 and the second babinet 12 are mainly realized by babinet temperature control runner, babinet temperature control runner is taken again
Special manufacturing mode and structure type, can ensure that the water of each bypass channel is identical, ensure the wall temperature of ontology 1
Uniformly.Ontology 1 is made of aluminum alloy material, has very high heat conductivility, the constant temperature of a certain specific temperature by setting
Circulating water flow can heat the first babinet 11 and the second babinet 12 through the temperature control runner in the first babinet 11 and the second babinet 12
To a certain temperature, since thermostatical circulating water flows in the temperature control runner inside the first babinet 11 and the second babinet 12, Ke Yibao
The constant temperature in a certain setting of inner wall temperature of the first babinet 11 and the second babinet 12 is demonstrate,proved, is reached so as to regulate and control box house
To the temperature of a certain setting, and vacuum machine 8 vacuumizes ontology 1 by vacuum tube 7, is the control of heavy caliber plane of crystal temperature
System establishes the vacuum environment of an opposite constant temperature.
Crystal frame is on the basis of it can clamp crystal, to be heated using the crystal temperature control runner 16-1 of the thermostatted water of cycle
Heavy caliber crystal controls the temperature of heavy caliber crystal by controlling the temperature of thermostatted water, realizes lasting control, others control
Mode is compared, and has many advantages, such as safe operation, simple in structure, easily controllable, realizes the control of heavy caliber crystal accurate temperature simultaneously
The control of crystal face temperature gradient can be kept within 0.2 DEG C.
The temperature control effect of the present apparatus is embodied in：On the one hand, thermostatical circulating water is passed through to ontology 1, to 1 inner wall of ontology and ontology
1 interior zone realizes temperature control, and 1 inside of ontology has completely cut off between heavy caliber crystal and air in vacuum state by right
The heat that the mode of stream heat exchange is lost；On the other hand, thermostatical circulating water, crystal are passed through to the crystal frame 16 for clamping heavy caliber crystal
Frame 16 is clamped with heavy caliber crystal, and accurate temperature control is carried out to heavy caliber crystal by way of heat transfer.
As described above, by a large amount of temperature control experiments, find after thermostatical circulating water is passed through 2 hours, heavy caliber is brilliant
Body reaches equalized temperature state by heat transfer types, heavy caliber crystal such as heat transfer, and the temperature of heavy caliber crystal reaches a certain solid
Definite value.
Claims (7)
1. the heavy caliber crystal double frequency conversion equipment of crystal temperature effect regulation and control is realized under vacuum environment, it is characterised in that：The big mouth
Diameter crystal double frequency conversion equipment includes ontology (1), water flow control valve (3), inlet channel (4), constant temperature water tank (5), water return pipeline
(6), vacuum tube (7), vacuum machine (8), heavy caliber crystal double frequency mechanism (9) and multiple water pipe heads (2), ontology (1) packet
Include first end cover (10), the first babinet (11), the second babinet (12) and second end cover (13), one end of the first babinet (11) and the
One end cap (10) is tightly connected, and one end of the other end and the second babinet (12) of the first babinet (11) is detachably connected, the second case
The other end of body (12) is provided with second end cover (13), and heavy caliber crystal double frequency mechanism (9) is arranged on the first babinet (11) and
Between two babinets (12), first babinet (11) includes case (11-1) and the first outer container (11-2) in first, the first outer container
(11-2) is sleeved on case in first (11-1) outside, is machined with the first intake chamber (11-1- in first on the outer surface of case (11-1)
1), the first return flume (11-1-2) and a plurality of first bypass channel (11-1-3), the first intake chamber (11-1-1) and the first return flume
(11-1-2) is set up in parallel along the length direction of case (11-1) in first, and a plurality of first bypass channel (11-1-3) is in first
The lateral wall of case (11-1) is set up in parallel, and one end and the first intake chamber (11-1-1) of every first bypass channel (11-1-3) connect
Logical, the other end of every first bypass channel (11-1-3) is connected with the first return flume (11-1-2), first outer container (11-2)
Be machined with the first water inlet (11-2-1) at upper the first intake chamber of correspondence (11-1-1), the first intake chamber (11-1-1) with first into
The mouth of a river (11-2-1) connects, and the first water return outlet (11- is machined at corresponding first return flume (11-1-2) on the first outer container (11-2)
2-2), the first return flume (11-1-2) is connected with the first water return outlet (11-2-2)；
The structure of second babinet (12) is identical with the structure of the first babinet (11), is set respectively on the lateral wall of the second babinet (12)
There are the second water inlet (12-2-1) and the second water return outlet (12-2-2), sealed end is additionally provided on the lateral wall of the second babinet (12)
It covers (14), third water inlet (14-1) and third water return outlet (14-2), water inlet pipe is provided on the lateral wall of end cover (14)
Road (4) connects respectively with the first water inlet (11-2-1), the second water inlet (12-2-1) and third water inlet (14-1), return pipe
Road (6) connects respectively with the first water return outlet (11-2-2), the second water return outlet (12-2-2) and third water return outlet (14-2), water inlet pipe
Water flow control valve (3) and water pipe head (2) are provided on road (4), multiple water pipe heads (2) are provided on water return pipeline (6), into
Waterpipe (4) and water return pipeline (6) are connected with constant temperature water tank (5), and vacuum port is provided on the lateral wall of the first babinet (11)
(11-2-3), vacuum machine (8) are connect by vacuum tube (7) with vacuum port (11-2-3).
2. the heavy caliber crystal double frequency conversion equipment of crystal temperature effect regulation and control is realized under vacuum environment according to claim 1,
It is characterized in that：The heavy caliber crystal double frequency mechanism (9) includes fixed frame (15) and crystal frame (16), and crystal frame (16) slides
It is inserted into fixed frame (15), crystal frame (16) is equipped with crystal temperature control runner (16-1), and crystal temperature control runner (16-1) is respectively
It is connected with third water inlet (14-1) and third water return outlet (14-2).
3. the heavy caliber crystal double frequency conversion equipment of crystal temperature effect regulation and control is realized under vacuum environment according to claim 2,
It is characterized in that：Crystal temperature control runner (16-1) passes through vacuum with third water inlet (14-1) and third water return outlet (14-2) respectively
Bellows (22) connects.
4. the heavy caliber crystal double frequency conversion equipment of crystal temperature effect regulation and control is realized under vacuum environment according to claim 1,
It is characterized in that：The first end cover (10) includes connecting flange (17), sealing ring (18), mounting flange (19), cushion rubber (20)
With window (21), window (21) is arranged in connecting flange (17) and mounting flange (19), window (21) and connecting flange (17)
Between by sealing ring (18) seal, between window (21) and mounting flange (19) pass through cushion rubber (20) sealing, second end cover
(13) structure is identical with the structure of first end cover (10).
5. the heavy caliber crystal double frequency converting means of crystal temperature effect regulation and control is realized under the vacuum environment according to claim 1 or 4
It puts, it is characterised in that：Vacuum air plug (23) is provided in the front end surface of the first end cover (10).
6. the heavy caliber crystal double frequency conversion equipment of crystal temperature effect regulation and control is realized under vacuum environment according to claim 1,
It is characterized in that：Outlet (12-3) is provided on the wall box of second babinet (12), using close in outlet (12-3)
Seal (18) and end cover (14) sealing.
7. the heavy caliber crystal double frequency conversion equipment of crystal temperature effect regulation and control is realized under vacuum environment according to claim 2,
It is characterized in that：Temperature sensor (24) is provided on crystal frame (16).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510658591.6A CN105244750B (en) | 2015-10-12 | 2015-10-12 | The heavy caliber crystal double frequency conversion equipment of crystal temperature effect regulation and control is realized under vacuum environment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510658591.6A CN105244750B (en) | 2015-10-12 | 2015-10-12 | The heavy caliber crystal double frequency conversion equipment of crystal temperature effect regulation and control is realized under vacuum environment |
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| CN105244750A CN105244750A (en) | 2016-01-13 |
| CN105244750B true CN105244750B (en) | 2018-07-06 |
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| EP2921303A2 (en) * | 2014-03-17 | 2015-09-23 | Seiko Epson Corporation | Liquid supply unit |
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| CN101656392B (en) * | 2009-09-11 | 2011-05-04 | 天津大学 | Cooling device for resisting heat distortion for laser crystal and implementation method |
| CN103124043A (en) * | 2011-11-18 | 2013-05-29 | 中国科学院理化技术研究所 | Device for improving stability of deep ultraviolet laser |
| US9441416B2 (en) * | 2012-09-27 | 2016-09-13 | Guardian Industries Corp. | Low temperature hermetic sealing via laser |
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|---|---|---|---|---|
| CN2359725Y (en) * | 1998-12-01 | 2000-01-19 | 中国科学院半导体研究所 | Thermostat |
| CN102393769A (en) * | 2011-12-06 | 2012-03-28 | 广西科学院 | Sample temperature adjusting device applied to spectral analysis experiment |
| CN103235464A (en) * | 2013-04-28 | 2013-08-07 | 哈尔滨工业大学 | Built-in high flux and large diameter laser frequency conversion device |
| CN103258575A (en) * | 2013-04-28 | 2013-08-21 | 哈尔滨工业大学 | Vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system |
| EP2921303A2 (en) * | 2014-03-17 | 2015-09-23 | Seiko Epson Corporation | Liquid supply unit |
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