CN205449288U - Automatic change portable terahertz and radiate spatial distribution detector now - Google Patents
Automatic change portable terahertz and radiate spatial distribution detector now Download PDFInfo
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- CN205449288U CN205449288U CN201620132936.4U CN201620132936U CN205449288U CN 205449288 U CN205449288 U CN 205449288U CN 201620132936 U CN201620132936 U CN 201620132936U CN 205449288 U CN205449288 U CN 205449288U
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- spatial distribution
- specimen holder
- corner displacement
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002887 superconductor Substances 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims abstract description 5
- 238000005057 refrigeration Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 6
- 241000218202 Coptis Species 0.000 claims description 5
- 235000002991 Coptis groenlandica Nutrition 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052594 sapphire Inorganic materials 0.000 claims description 3
- 239000010980 sapphire Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 6
- 229910052734 helium Inorganic materials 0.000 abstract description 4
- 239000001307 helium Substances 0.000 abstract description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 206010037660 Pyrexia Diseases 0.000 abstract 1
- 230000005855 radiation Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model discloses an automatic change portable terahertz and radiate spatial distribution detector now, include cold head, hemisphere lens, coalesced copper line, base, sample frame, BSCCO high -temperature superconductor terahertz source, plate electrode, corner displacement platform and stirling refrigerator now, corner displacement platform installation is between base and sample frame, and the cold junction at the stirling refrigerator is fixed with corner displacement platform to cold head and base, and the sample frame can rotate along with the rotation of corner displacement platform, and it is continuous that the coalesced copper line was put up to base and sample. The utility model discloses an automatic change portable terahertz and radiate spatial distribution detector now, small, long wide height is about 42cm 36cm 20cm, simply easy -to -use, only need the power supply alright with work, can realize automatic the measurement, rotate accurate, convenient operation, job stabilization under the low temperature, use the electric drive, do not consume liquid helium, low cost, can be convenient be applied to each relevant field.
Description
Technical field
This utility model relates to high-temperature superconductor BSCCO Terahertz generator, detector, corner displacement platform and small-sized Stirling refrigeration machine correlation technique, is specifically related to a kind of automatization portable terahertz emission spatial distribution detector.
Background technology
High-temperature superconductor Bi2Sr2CaCu2O8+δ(BSCCO) intrinsic Josephson junction battle array can produce the continuous wave terahertz emission of frequency-adjustable under direct current biasing state, and the research to the space radiation distribution of this THz source contributes to explaining its radiation mechanism.The theoretical research of early stage proposes a kind of double source model, the mode of resonance of resonator cavity during to explain generation radiation in BSCCO rectangular platform structure sample, and gives the graph of a relation of sample emission power and angle.But in an experiment, owing to using the most original mode of manual point-to-point measurement, therefore there is data point more discrete, the problems such as data volume is inadequate, thus have impact on systematicness and the repeatability of data, cause there is bigger deviation with theoretical value.Build a set of low temperature corner test system herein, realize controlling in real time and data communication by LabVIEW program, sample stage rotates in the range of 360 ° continuously, its low temperature rotation precision is better than 1m °, and can automatically measure the radiation power value of each angle points, thus draw out the angular resolution collection of illustrative plates of power.The research and development of this system not only facilitate the research in terahertz emission source, also benefit the research of the directional characteristic of various superconductive device simultaneously.
Utility model content
Goal of the invention: for the deficiencies in the prior art, the purpose of this utility model is to provide a kind of automatization portable terahertz emission spatial distribution detector, tradition Terahertz space radiation detection device is overcome to need to move the inconvenience of detector, the difficulty of fixed angle, test data point sparse, uses the shortcoming such as liquid helium of costliness.
Technical scheme: in order to realize foregoing invention purpose, the scheme that this utility model uses is:
A kind of automatization portable terahertz emission spatial distribution detector, including cold head, packaged lens, oxygen-free copper-wire, base, specimen holder, BSCCO high-temperature superconductor THz source, battery lead plate, corner displacement platform and Stirling refrigeration machine；Floor installation is on cold head, corner displacement stage+module is between base and specimen holder, specimen holder is installed packaged lens, battery lead plate is pasted at the specimen holder back side, BSCCO high-temperature superconductor THz source pastes the center in packaged lens, and the electrode of BSCCO high-temperature superconductor THz source is connected with battery lead plate by gold thread；Battery lead plate is connected with the sealing pricking with needle on Stirling refrigeration machine shell by enamel-covered wire；Corner displacement platform is fixed on the cold end of Stirling refrigeration machine by cold head and base, and specimen holder can rotate along with the rotation of corner displacement platform, and base is connected by oxygen-free copper-wire with specimen holder.
Described cold head, base all use oxygen-free copper to process with specimen holder.
Fixed by countersunk head screw between described corner displacement platform and bridgeware.
The material of described corner displacement platform is titanium alloy.
Connecting with oxygen-free copper-wire between described base and specimen holder, port scolding tin connects.
The diameter of described packaged lens about 6mm, material is sapphire.
Beneficial effect: compared with prior art, automatization of the present utility model portable terahertz emission spatial distribution detector, volume is little, and length, width and height are about 42cm × 36cm × 20cm；Easy to use, only need to power and just can work, automatic measurement can be realized, rotate precision, convenient operation, low operating temperatures is stable；By electric drive, do not consume liquid helium, low cost；Each association area can be conveniently applied to.
Accompanying drawing explanation
The internal structure schematic diagram of Tu1Shi automatization portable terahertz emission spatial distribution detector；
Fig. 2 is high-temperature superconductor BSCCO THz source structural representation；
The test schematic diagram of Fig. 3 automatization portable terahertz emission spatial distribution detector.
Detailed description of the invention
Below in conjunction with concrete accompanying drawing, this utility model is described further.
As shown in Figure 1, Figure 2 and Figure 3, automatization's portable terahertz emission spatial distribution detector, main structural components includes cold head 1, packaged lens 2, oxygen-free copper-wire 3, base 4, specimen holder 5, BSCCO high-temperature superconductor THz source 7, battery lead plate 8, corner displacement platform 9 and Stirling refrigeration machine etc..Base 4 is arranged on cold head 1, corner displacement platform 9 is arranged between base 4 and specimen holder 5, specimen holder 5 is installed packaged lens 2, battery lead plate 8 is pasted at specimen holder 5 back side, BSCCO high-temperature superconductor THz source 7 is pasted in the center of packaged lens 2, and its electrode is connected with battery lead plate 8 by gold thread.Battery lead plate 8 is connected with the sealing pricking with needle on Stirling refrigeration machine shell further through enamel-covered wire.Corner displacement platform 9 is fixed on the cold end of Stirling refrigeration machine by cold head 1 and base 4, and specimen holder 5 can rotate along with the rotation of corner displacement platform 9, and base 4 is connected by oxygen-free copper-wire 3 with specimen holder 5.
This automatization portable terahertz emission spatial distribution detector, use oxygen-free copper processing cold head 1, base 4 and specimen holder 5, utilize low temperature to conduct to high-temperature superconductor BSCCO THz source 7 from cold head, fixed by countersunk head screw between corner displacement platform 9 and bridgeware.Corner displacement platform 9 material is titanium alloy, and heat conduction is bad, in order to allow specimen holder 5 preferably lower the temperature, connects with a bundle (about 40) oxygen-free copper-wire 3 between base 4 and specimen holder 5, and port scolding tin connects.Installing packaged lens 2 on specimen holder 5, this packaged lens diameter about 6mm, material is sapphire.Pasting battery lead plate 8 at specimen holder 5 back side, this battery lead plate uses PCB copper-clad plate to form as Raw material processing, uses technological tool to be delineated into four absolute electrodes, and four electrodes are connected with the sealing pricking with needle on refrigeration machine shell by enamel-covered wire respectively.Pasting in the center of packaged lens 2 by BSCCO high-temperature superconductor THz source 7, its electrode is connected with battery lead plate 8 by gold thread.
This automatization portable terahertz emission spatial distribution detector, as long as providing certain electric energy when of work, Stirling refrigeration machine just can provide the low temperature environment of needs, cryocooler cold head is cooled to minimum 30K, low temperature environment is conducted to BSCCO high-temperature superconductor THz source 7 by cold head 1, base 4, oxygen-free copper-wire 3, specimen holder 5 and packaged lens 2, provides the temperature of job demand for it.The electrode of BSCCO high-temperature superconductor THz source 7 is connected with the electrode on battery lead plate 8 by gold thread, battery lead plate 8 is connected with the sealing pricking with needle on refrigeration machine shell further through enamel-covered wire, required bias current and its bias voltage of measurement is provided to BSCCO high-temperature superconductor THz source 7 in can be by pricking with needle, as long as controlling temperature and the bias voltage of BSCCO high-temperature superconductor THz source 7 work, the continuously adjustable THz wave of frequency just can be obtained.As it is shown on figure 3,6 represent the thz beam given off, 10 is detector Golaycell.By changing bias current during test, find the radiation electric flow point of THz source, by current stabilization on radiant, it is ensured that terahertz emission persistently occurs.Drive THz source to rotate by controlling rotational displacement platform 9, and in each angle points, measure the radiant power in source, draw THz source radiation space scattergram.Whole process can automatic measurement, convenient and practical.
This automatization portable terahertz emission spatial distribution detector, with small-sized Stirling refrigeration machine as refrigeration modes, volume little (length, width and height are about 42cm × 36cm × 20cm), arbitrarily temperature control (30K～300K), saving resource (only consuming a small amount of electricity), cooling rate is fast.With Golaycell for detection device, it is only necessary to power supply just can work, being not required to use expensive liquid helium, precision is high (less than percent once), operating temperature low (30K).Carry sample by corner displacement platform to rotate, and can the THz source radiant power of automatic control survey different angles, automatically draw terahertz emission spatial distribution map, efficiently solve the clumsy problem of existing rotation detector 10.Utilize oxygen-free copper-wire simultaneously, the problem solving titanium alloy rotational displacement platform poor heat conductivity, allow sample have more preferable operating temperature.Rotation displacement platform displacement precision is high so that test result is more accurate.Whole system programmable, allows automatic measurement be possibly realized.Detector is small and exquisite, is conveniently transplanted in any refrigeration platform, and only need to be energized and can use, and whole-course automation is measured, the most accurately.
Claims (6)
1. automatization's portable terahertz emission spatial distribution detector, it is characterised in that: include cold head (1), packaged lens (2), oxygen-free copper-wire (3), base (4), specimen holder (5), BSCCO high-temperature superconductor THz source (7), battery lead plate (8), corner displacement platform (9) and Stirling refrigeration machine；Base (4) is arranged on cold head (1), corner displacement platform (9) is arranged between base (4) and specimen holder (5), specimen holder (5) is installed packaged lens (2), battery lead plate (8) is pasted at specimen holder (5) back side, BSCCO high-temperature superconductor THz source (7) pastes in the center of packaged lens (2), and the electrode of BSCCO high-temperature superconductor THz source (7) is connected with battery lead plate (8) by gold thread；Battery lead plate (8) is connected with the sealing pricking with needle on Stirling refrigeration machine shell by enamel-covered wire；Corner displacement platform (9) is fixed on the cold end of Stirling refrigeration machine by cold head (1) and base (4), specimen holder (5) can rotate along with the rotation of corner displacement platform (9), and base (4) is connected by oxygen-free copper-wire (3) with specimen holder (5).
Automatization the most according to claim 1 portable terahertz emission spatial distribution detector, it is characterised in that: described cold head (1), base (4) all use oxygen-free copper to process with specimen holder (5).
Automatization the most according to claim 1 portable terahertz emission spatial distribution detector, it is characterised in that: fixed by countersunk head screw between described corner displacement platform (9) and bridgeware.
Automatization the most according to claim 1 portable terahertz emission spatial distribution detector, it is characterised in that: the material of described corner displacement platform (9) is titanium alloy.
Automatization the most according to claim 1 portable terahertz emission spatial distribution detector, it is characterised in that: connecting with oxygen-free copper-wire (3) between described base (4) and specimen holder (5), port scolding tin connects.
Automatization the most according to claim 1 portable terahertz emission spatial distribution detector, it is characterised in that: the diameter 6mm of described packaged lens (2), material is sapphire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620132936.4U CN205449288U (en) | 2016-02-22 | 2016-02-22 | Automatic change portable terahertz and radiate spatial distribution detector now |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620132936.4U CN205449288U (en) | 2016-02-22 | 2016-02-22 | Automatic change portable terahertz and radiate spatial distribution detector now |
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| CN205449288U true CN205449288U (en) | 2016-08-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571712A (en) * | 2016-02-22 | 2016-05-11 | 南京大学 | Automatic portable terahertz radiation space distribution detector |
| CN113375791A (en) * | 2021-06-22 | 2021-09-10 | 南京工程学院 | Superconducting terahertz source space radiation testing device based on spiral scanning technology |
-
2016
- 2016-02-22 CN CN201620132936.4U patent/CN205449288U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571712A (en) * | 2016-02-22 | 2016-05-11 | 南京大学 | Automatic portable terahertz radiation space distribution detector |
| CN113375791A (en) * | 2021-06-22 | 2021-09-10 | 南京工程学院 | Superconducting terahertz source space radiation testing device based on spiral scanning technology |
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| GR01 | Patent grant |