CN106680213A - Miniature laser-induced water condensation simulating device - Google Patents
Miniature laser-induced water condensation simulating device Download PDFInfo
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- CN106680213A CN106680213A CN201710105521.7A CN201710105521A CN106680213A CN 106680213 A CN106680213 A CN 106680213A CN 201710105521 A CN201710105521 A CN 201710105521A CN 106680213 A CN106680213 A CN 106680213A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
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Abstract
The invention relates to a miniature laser-induced water condensation simulating device. The device is characterized in that a cavity is a small hexahedral closed cavity synthesized by six red copper blocks; a plurality of densely distributed small slots are uniformly formed in the inner walls of the red copper blocks on the top and bottom of the cavity; the outer surfaces of the red copper blocks on the top and bottom are in full contact with cooling surfaces of semiconductor refrigerating sheets; the heat dissipating surfaces of the semiconductor refrigerating sheets are in full contact with the heat dissipating sheets of the red copper blocks; the semiconductor refrigerating sheets connected in series through a guide wire in a serial manner are connected to a direct current power supply source; and a humidity adjusting channel is also arranged on a side surface of the cavity to be connected to a humidity adjusting device. The device provided by the invention is more compact and simple in structure. The whole device is more miniature, is convenient to move, can realize a low-temperature environment without a temperature gradient, and is suitable for more conveniently researching and analyzing a laser-induced water condensation phenomenon.
Description
Technical field
Condensed the present invention relates to induced with laser water, particularly a kind of miniaturization induced with laser water condenses analogue means.
Background technology
In recent years, with the increasingly maturation of femtosecond laser technology, ultra-intense ultra-short laser pulse is in long-range remote sensing, thunder and lightning control
And the application that condenses etc. in terms of weather of induced with laser water causes the extensive concern of people.Ultra-intense ultra-short laser pulse is in medium
In originate from optical kerr effect generation self-focusing and plasma formed scattered focusing effect a dynamic equilibrium.It is this dynamic
State balances the plasma channel to be formed and is commonly called as femtosecond chevilled silk, and femtosecond chevilled silk can produce supercontinuum, form cone of radiation
And the characteristics such as light intensity are clamped down on, based on these unique properties of laser chevilled silk, cause ultra-intense ultra-short laser pulse to femtosecond laser
Induction water condensation aspect has huge potential application.Therefore, the basic research and explorative research research for carrying out correlation have very
Important meaning.
At present, on induced with laser water condense correlative study in outfield and laboratory had many reports [referring to
Document 1：J.Kasparian,M.Rodriguez,G.Méjean,J.Yu,E.Salmon,H.Wille,R.Bourayou,
S.Frey,Y.-B.André,A.Mysyrowicz,R.Sauerbrey,J.-P.Wolf,and L.“White-
light filaments for atmospheric analysis,”Science 301(5629),61–64(2003)；2：
P.Rohwetter,J.Kasparian,K.Stelmaszczyk,Z.Hao,S.Henin,N.Lascoux,W.M.Nakaema,
Y.Petit,M.Queiβer,R.Salamé,E.Salmon,L.and J.-P.Wolf,“Laser-induced
water condensation in air,”Nat.Photonics 4(7),451–456,2010；3：S.Henin,Y.Petit,
P.Rohwetter,K.Stelmaszczyk,Z.Q.Hao,W.M.Nakaema,A.Vogel,T.Pohl,F.Schneider,
J.Kasparian,K.Weber,L.and J.-P.Wolf,“Field measurements suggest the
mechanism of laser-assisted water condensation,”Nat.Commun.2,456,2011].And for
Induced with laser water condenses in the research in cloud chambers, at present, generally using the face condenser pipe under cloud chamber base plate, then by pressure
The mode of contracting machine compression cooling condenser pipe adjusts the environment temperature of chamber, and this complex structure is relatively costly.In addition, also having
Adjust the temperature in cloud chambers by way of dry ice refrigeration, dry ice due to its it is volatile the features such as, have in terms of refrigeration extensively
Application.The method operation of dry ice refrigeration is simple, and cost is also than relatively low, but due to its highly volatile, distillation can discharge largely
Carbon dioxide, so can not easily be caused quick-fried in good seal performance, the container of small volume using dry ice refrigeration
It is fried, meanwhile, dry ice refrigeration can not accurately control the environment temperature of cloud chambers.
On the basis of above, we are recently proposed what a kind of induced with laser water of semiconductor refrigerating component control condensed
Simulation system：Referring to patent：Grant number：ZL201510398978.2.Although the system easy-to-operate, in structure also
It is relatively cumbersome, whole chamber is more huge, it is heavy, and it is not easily accomplished the low temperature environment without thermograde.
The content of the invention
The present invention proposes that a kind of induced with laser water of miniaturization condenses analogue means, and the device is small using red copper block construction
Die cavity room, apparatus structure is simpler, compact, adjusts simpler and more direct, mobile more to facilitate, and can realize without the low of thermograde
Warm environment, is applicable to induced with laser water coagulation experiment research under different condition.
Technical solution of the invention is as follows：
One kind miniaturization induced with laser water condenses analogue means, and the device includes：Femto-second laser, lens, chamber, light beam
Collection device, humiture detection device and dc source；The center of four sides of described chamber is respectively equipped with first laser
Window, first laser watch window, second laser window and second laser watch window, four windows pass through quartz glass
Sealing, a side of the chamber is provided with humiture detection channels and is connected with described humiture detection device, along described
The laser beam direction of femto-second laser output is successively described lens, first laser window, second laser window and light beam
Collection device, the laser beam that described femto-second laser is launched, by described lens focus in described closed chamber
Centre forms plasma channel, and its feature is：
Described chamber is using six pieces of small-sized hexahedron closing chambers of red copper block synthesis, in the red copper on described chamber top
The inwall of the red copper block at block and bottom is equipped with multiple densely covered sulculuses, the red copper block on the top of described chamber and the red copper block at bottom
Outer surface is all fully contacted with the cooling surface of semiconductor chilling plate, and the radiating surface of described semiconductor chilling plate is fully contacted in purple
Copper billet fin, described semiconductor chilling plate in series by being connected with described dc source after wired in series,
One side of the chamber is additionally provided with humidity regulation passage and is connected with humidity control apparatus.
It is for increasing that the inwall of the red copper block on described chamber top and the red copper block at bottom is equipped with multiple densely covered sulculuses
The contact area of the chamber indoor environment gas, so that the semiconductor chilling plate is improved to the refrigeration in chamber, it is described
One side of chamber is provided with humiture detection channels and humidity regulation passage；
Described regulation psychrometric means, the ambient humidity in the described chamber of regulation.
Compared with prior art, the present invention has following distinguishing feature：
1st, chamber of the present invention is using six pieces of small-sized hexahedron closing chambers of red copper block synthesis, this apparatus structure
More rationally, structure is compacter, and whole induced with laser water condensing means are more miniaturized；
2nd, the top layer of chamber of the invention and bottom outer surface whole uniform fold semiconductor chilling plate, both effective regulation
Environment temperature in chamber, eliminates environment temperature gradient again, and can realize low temperature environment, and described half is added in by changing
The electric current of conductor cooling piece can be realized continuously adjusting the environment temperature in chamber.
3rd, apparatus of the present invention can not only preferably realize the basic research that the induced with laser water in varying environment condenses；And
And the device movement that this induced with laser simulation water condenses is more conveniently and quickly.
Brief description of the drawings
Fig. 1 is the structural perspective that present invention miniaturization induced with laser water condenses analogue means；
Fig. 2 is closed chamber top layer and base semiconductor chill surface AA sectional views；
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples, but should not therefore limit protection model of the invention
Enclose.
Refering to Fig. 1, Fig. 1 is the structural perspective that present invention miniaturization induced with laser water condenses analogue means, as illustrated,
Present invention miniaturization induced with laser water condenses analogue means, and the device includes：Femto-second laser 1, lens 2, chamber 4, light beam are received
Acquisition means 10, humiture detection device 12 and dc source 15；The center of four sides of described chamber 4 is respectively equipped with first
Laser window 3, first laser watch window 5, second laser window 7 and second laser watch window 6, four windows pass through
Quartz glass seals a, side of the chamber 4 is provided with humiture detection channels 8 with the described phase of humiture detection device 12
Even, the laser beam direction for being exported along described femto-second laser 1 is successively described lens 2, first laser window 3, second
Laser window 7 and beam collection device 10, the laser beam of the described transmitting of femto-second laser 1 are focused on by described lens 2
Plasma channel is formed in the described center of closed chamber 4, its feature is：
Described chamber 4 is using six pieces of small-sized hexahedron closing chambers of red copper block synthesis, in the purple that described chamber 4 is pushed up
The inwall of the red copper block at copper billet and bottom is equipped with multiple densely covered sulculuses 16, the red copper block and the purple at bottom on the top of described chamber 4
Cooling surface of the outer surface of copper billet all with semiconductor chilling plate 14 is fully contacted, and the radiating surface of described semiconductor chilling plate 14 fills
Point be contacted with red copper block fin 13, described semiconductor chilling plate 14 in series by after wired in series with it is described
Dc source 15 is connected, and a side of the chamber 4 is additionally provided with humidity regulation passage 9 and is connected with humidity control apparatus 11.
The electric current on described semiconductor chilling plate 14 is added in by continuous change, in the chamber 4 described in continuously adjustable
Environment temperature.
Described humidity control apparatus 11 adjust the ambient humidity in described closed chamber 4.
Fig. 2 for the present invention in be semiconductor refrigerating component AA sectional views, as illustrated, the described top layer of chamber 4 and bottom
From outer to inner it is made up of red copper block fin 13, semiconductor chilling plate 14 and chamber top layer inner surface and bottom inner surface, it is described
Semiconductor chilling plate 14 mutually fixed with described semiconductor heat-dissipating piece 13 with the described top layer of closed chamber 4 respectively, it is described
Semiconductor chilling plate 14 is mutually fixed with the described bottom of closed chamber 4 with described semiconductor heat-dissipating piece 13 respectively.
The results showed, the present invention can be added in the electric current on described semiconductor chilling plate by regulation, can be effective
Environment temperature in the described chamber of regulation, eliminates the environment temperature gradient in chamber so that chamber can realize perseverance well
Temperature, low temperature environment；By adjusting psychrometric means, the ambient humidity in described chamber is controlled well.So as to realize constant temperature,
Induced with laser water under cryogenic conditions condenses.
The present invention can simulate different experimental situations, and structure is compacter, and simply, whole device is more miniaturized, and is easy to
It is mobile, the low temperature environment without thermograde can be realized.Its essence belongs to superpower ultrashort femtosecond laser technology, it is adaptable to manually grind
Study carefully the basic research and application study of rainfall snowfall.
Claims (1)
1. a kind of miniaturization induced with laser water condenses analogue means, and the device includes：Femto-second laser (1), lens (2), chamber
(4), beam collection device (10), humiture detection device (12), dc source (15)；Four sides of described chamber (4)
Center be respectively equipped with first laser window (3), first laser watch window (5), second laser window (7) and second laser and see
Window (6) is examined, by quartz glass seals, a side of the chamber (4) is provided with humiture detection and leads to four windows
Road (8) is connected with described humiture detection device (12), the laser beam direction exported along described femto-second laser (1) according to
Secondary is described lens (2), first laser window (3), second laser window (7) and beam collection device (10), and described flies
The laser beam of second laser (1) transmitting, described closed chamber (4) center formation etc. is focused on by described lens (2)
Plasma channel, it is characterised in that：
Described chamber (4) is using six pieces of small-sized hexahedron closing chambers of red copper block synthesis, in the purple that described chamber (4) is pushed up
The inwall of the red copper block at copper billet and bottom is equipped with multiple densely covered sulculuses (16), the red copper block on the top of described chamber (4) and bottom
The cooling surface of the outer surface all with semiconductor chilling plate (14) of red copper block be fully contacted, described semiconductor chilling plate (14)
Radiating surface is fully contacted in red copper block fin (13), and described semiconductor chilling plate (14) passes through wire string in series
Be connected with described DC current source (15) after connection, a side of the chamber (4) be additionally provided with humidity regulation passage (9) with it is wet
Degree adjusting means (11) is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710105521.7A CN106680213B (en) | 2017-02-26 | 2017-02-26 | Minimize induced with laser water condensation simulator |
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| CN201710105521.7A CN106680213B (en) | 2017-02-26 | 2017-02-26 | Minimize induced with laser water condensation simulator |
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| CN106680213B CN106680213B (en) | 2019-04-19 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2674444Y (en) * | 2004-02-17 | 2005-01-26 | 中国气象科学研究院 | Cooling table for detecting waer drop freezing temp |
| CN105004839A (en) * | 2015-07-09 | 2015-10-28 | 中国科学院上海光学精密机械研究所 | Laser induced water condensation simulation system |
| CN106069420A (en) * | 2016-06-14 | 2016-11-09 | 中国科学院上海光学精密机械研究所 | The device of corona induction condensation vapor and implementation thereof |
-
2017
- 2017-02-26 CN CN201710105521.7A patent/CN106680213B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2674444Y (en) * | 2004-02-17 | 2005-01-26 | 中国气象科学研究院 | Cooling table for detecting waer drop freezing temp |
| CN105004839A (en) * | 2015-07-09 | 2015-10-28 | 中国科学院上海光学精密机械研究所 | Laser induced water condensation simulation system |
| CN105004839B (en) * | 2015-07-09 | 2016-09-21 | 中国科学院上海光学精密机械研究所 | Induced with laser water condenses analog systems |
| CN106069420A (en) * | 2016-06-14 | 2016-11-09 | 中国科学院上海光学精密机械研究所 | The device of corona induction condensation vapor and implementation thereof |
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Inventor after: Liu Yonghong Inventor after: Liu Jiansheng Inventor after: Sun Haidie Inventor after: Leng Yuxin Inventor before: Liu Yonghong Inventor before: Sun Haidie Inventor before: Ju Jingjing Inventor before: Hu Xingkai Inventor before: Li Penghua Inventor before: Wang Cheng Inventor before: Liu Jiansheng Inventor before: Leng Yuxin Inventor before: Li Ruxin |
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