CN205374283U - Aperture footpath compatible vacuum sample chamber of long distance optics - Google Patents
Aperture footpath compatible vacuum sample chamber of long distance optics Download PDFInfo
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- CN205374283U CN205374283U CN201620035198.1U CN201620035198U CN205374283U CN 205374283 U CN205374283 U CN 205374283U CN 201620035198 U CN201620035198 U CN 201620035198U CN 205374283 U CN205374283 U CN 205374283U
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Abstract
The utility model discloses an aperture footpath compatible vacuum sample chamber of long distance optics, including going up certainly to the low temperature sample pole that sets gradually down, multichannel connecting device, ultrahigh vacuum angle can be adjusted device, ultrahigh vacuum XYZ three -dimensional displacement platform on, cavity, optical window and window protection cavity, low temperature sample pole and multichannel connecting device vacuum tight joint, multichannel connecting device and ultrahigh vacuum angle can be adjusted device vacuum tight joint, ultrahigh vacuum angle can be adjusted device and the three -dimensional displacement platform vacuum tight joint of ultrahigh vacuum XYZ, cavity and vacuum tight joint 2 vacuum tight joint are gone up to three -dimensional displacement platform of ultrahigh vacuum XYZ and last cavity vacuum tight joint, and vacuum tight joint 2 is connected with window protection cavity. The utility model discloses be fit for using in small -bore long distance condition, produce high vacuum environment, can use for optical detection material optical properties.
Description
Technical field
This utility model relates to a kind of long-reach optics compatibility vacuum sample chamber, small-bore, is that a kind of spatial aperture is little, distance, fine vacuum, optical properties of materials measures system under the low temperature environment of pole.
Background technology
In modern physics experiment, it is often necessary to utilize optical instrument that the character of material is measured under fine vacuum low temperature environment, for instance close the measurement of the ultrafast magnetooptics physical property of distich electronic material.And in modern physics is tested; it is frequently encountered experimental implementation spatial aperture little; apart from remote situation; for being smoothed out of testing; at least to consider 3 points: be that light can be propagated in little and long space at first; second point is that light can to being irradiated on product, fine vacuum needed for being thirdly to ensure that sample physical measurement or the experimental situation of extremely low temperature.Due to the experimental situation of above-mentioned complexity, but without meeting above-mentioned requirements on market, and the product of dependable performance and compact conformation occurs.
Utility model content
Owing to above actual demand and present situation limit; the purpose of this utility model is to propose a kind of long-reach optics compatibility vacuum sample chamber, small-bore with optical window protection cavity; the regulation and control of Experiments of Optics operating board can be realized, thus realizing materials optical physical measurement in the environment of small-bore, distance and ultrahigh vacuum；This utility model can not only make sample to be in low-temperature vacuum environment, and laser can be made to impinge upon on sample smoothly；And optical window protection cavity can protect optical window well, thus extending service life of the present utility model.
This utility model is achieved through the following technical solutions:
A kind of long-reach optics compatibility vacuum sample chamber, small-bore, it is characterised in that: include the cryogenic sample bar, multichannel connecting device, ultrahigh vacuum angle adjustable device, ultrahigh vacuum XYZ three-D displacement platform, upper cavity, optical window and the window protection cavity that set gradually from top to bottom；Described cryogenic sample bar and multichannel connecting device vacuum are tightly connected; multichannel connecting device and ultrahigh vacuum angle adjustable device vacuum are tightly connected; ultrahigh vacuum angle adjustable device and ultrahigh vacuum XYZ three-D displacement platform vacuum are tightly connected; ultrahigh vacuum XYZ three-D displacement platform and upper cavity vacuum are tightly connected; upper cavity and optical window vacuum are tightly connected, and optical window protects cavity to be connected with window.
Described long-reach optics compatibility vacuum sample chamber, a kind of small-bore, it is characterised in that: described optical window includes the optical glass of high stability, high permeability.
Described long-reach optics compatibility vacuum sample chamber, a kind of small-bore, it is characterised in that: the making material of described upper cavity is rustless steel, titanium or fiberglass.
Described long-reach optics compatibility vacuum sample chamber, a kind of small-bore, it is characterised in that: the making material of described window protection cavity is rustless steel, titanium or fiberglass.
Described long-reach optics compatibility vacuum sample chamber, a kind of small-bore; it is characterized in that: the inwall of described window protection cavity is installed at least one air inlet pipe, and this air inlet pipe protects one end that trachea stretches into window protection cavity not contact with optical window as window.Being referred to as nearly window end, correspondingly the other end of air inlet pipe is called remote window end.
Described long-reach optics compatibility vacuum sample chamber, a kind of small-bore, it is characterised in that: described cryogenic sample bar includes cryostat and sample stage, and cryostat is made up of chiller and heater.
Described long-reach optics compatibility vacuum sample chamber, a kind of small-bore, it is characterized in that: described multichannel connecting device adopts four-way connecting device, the another two passage of four-way connecting device is additionally provided with electrical interface and vacuum extractor, it is connected with controlling system by electrical interface, electrical interface is also connected by wire with the heater of the cold end of cryogenic sample bar, by controlling the current intensity of system fading margin wire, it is achieved stablizing of the temperature near the sample stage of cryogenic sample bar；By the effect of vacuum extractor, it is achieved that the vacuum environment in upper cavity.
Described long-reach optics compatibility vacuum sample chamber, a kind of small-bore, it is characterized in that: described ultrahigh vacuum angle adjustable device includes adjusting nut, adjusting bolt, adpting flange and corrugated tube, clamp a corrugated tube between two adpting flanges and fixed by three groups of adjusting bolts, adjusting nuts.
Principle of the present utility model is:
This utility model is constituted a low temperature, ultrahigh vacuum cavity by cryogenic sample bar, ultrahigh vacuum angle adjustable device, multichannel connecting device, ultrahigh vacuum XYZ three-D displacement platform, cryogenic sample bar and upper cavity and optical window in the way of vacuum is tightly connected.Sample is arranged on the cold end of described cryogenic sample bar, the three-dimensional mobile of sample position can be realized by regulating ultrahigh vacuum XYZ three-D displacement platform, the adjustment of the angle between cryogenic sample rod axis and the axis of upper cavity can be realized, thus realizing the adjustment of sample opposite windows position by regulating ultrahigh vacuum angle adjustable device.Window protection cavity can protect optical window not by the interference of extraneous dust and other impurities, improves certainty of measurement, increases the service life.
Can also installing at least one air inlet pipe on the inwall that cavity protected by above-mentioned window, and this air inlet pipe stretches into and protects one end of cavity not contact with window, is referred to as nearly window end, correspondingly the other end of air inlet pipe is called remote window end.Protective gas such as nitrogen or helium etc. can be inputted at the remote window end of air inlet pipe.These gases spray from the nearly window end of air inlet pipe; dust near window can be washed away; reduce the dust scattering to experimental light sources, and form an air-flow toward window protection cavity bottom output flow, the extraneous dust and other impurities interference to optical window can be completely cut off completely.
The utility model has the advantages that:
This utility model design is simple effectively, compact conformation, it is easy to implement, and the design of window protection cavity and air inlet pipe can be effectively protected optical window not by the interference of extraneous dust and other impurities, improves certainty of measurement, extends its service life.
Accompanying drawing explanation
Fig. 1 a is that this utility model protects the perspective view of trachea without window.
Fig. 1 b this utility model protects the side plan view of trachea without window.
Fig. 1 c is the A-A sectional view of Fig. 1 b.
Fig. 2 a is the structural representation that this utility model has window protection trachea.
Fig. 2 b is the side plan view that this utility model has window protection trachea.
Fig. 2 c is the B-B sectional view of Fig. 2 b.
Fig. 3 is this utility model ultrahigh vacuum angle adjustable device perspective view.
Detailed description of the invention
Embodiment 1
As shown in Figure 1; a kind of long-reach optics compatibility vacuum sample chamber, small-bore, includes cryogenic sample bar 1, four-way connecting device 2, ultrahigh vacuum angle adjustable device 3, ultrahigh vacuum XYZ three-D displacement platform 4, upper cavity 5, optical window 6 and window protection cavity 7.Specific as follows:
Cryogenic sample bar 1 and four-way connecting device 2 vacuum are tightly connected; four-way connecting device 2 and ultrahigh vacuum angle adjustable device 3 vacuum are tightly connected; ultrahigh vacuum angle adjustable device 3 and ultrahigh vacuum XYZ three-D displacement platform 4 vacuum are tightly connected; ultrahigh vacuum XYZ three-D displacement platform 4 and upper cavity 5 vacuum are tightly connected; upper cavity 5 and optical window 6 vacuum are tightly connected, and optical window 6 protects cavity 7 to be connected with window.
Cryogenic sample bar 1 is made up of cryostat device and sample stage, and cryostat is made up of chiller and heater, the co-ordination under the effect controlling system of chiller and heater, can keep stablizing of temperature near the sample stage of cryogenic sample bar.
Four-way connecting device 2 has electrical interface and vacuum extractor, it is connected with controlling system by electrical interface, electrical interface is also connected by wire with between the heater of the cold end of cryogenic sample bar 1, by controlling the current intensity of system fading margin wire, it is achieved stablizing of the temperature near cryogenic sample bar 1 sample stage；By the effect of vacuum extractor, it is achieved that the vacuum environment in upper cavity 5.
As it is shown on figure 3, ultrahigh vacuum angle adjustable device, it is made up of adjusting nut 9, adjusting bolt 10, link flange 12 and corrugated tube 11.By turn adjusting nut 9, corrugated tube 11 stress deforms upon, so that link flange 12 run-off the straight, angle between axis and the axis of optical window 6 of cryogenic sample 1 sample stage making to be arranged on flange, thus realizing the adjustment of the optical fiber that entered by optical window 6 incident angle on sample.
By regulating ultrahigh vacuum XYZ three-D displacement platform 4, it is possible to making cryogenic sample bar 1 at X, Y, Z-direction moves, thus the relative position regulated between sample stage and the optical window 6 of the cold end of cryogenic sample bar 1.
Upper cavity 5, window protection cavity 7 is made by rustless steel, and the vacuum that can realize between optical window 6 is tightly connected.
Cavity portion of the present utility model is protected cavity 7 to constitute by upper cavity 5, optical window 6 and window, well protects the optical glass of optical window 6, extends the physical life of system.This utility model design compact conformation, simple in construction, very useful.
Embodiment 2
As shown in Figure 2; a kind of long-reach optics compatibility vacuum sample chamber, small-bore, includes cryogenic sample bar 1, four-way connecting device 2, ultrahigh vacuum angle adjustable device 3, ultrahigh vacuum XYZ three-D displacement platform 4, upper cavity 5, optical window 6 and window protection cavity 7 and window protection trachea 8 is constituted.Window protection cavity 7 inwall is provided with three protective gas and enters gas tubule 8, is evenly distributed on cavity inner surface, and top does not contact with window.Specific as follows:
In the present embodiment, cryogenic sample bar 1, four-way connecting device 2, ultrahigh vacuum angle adjustable device 3, ultrahigh vacuum XYZ three-D displacement platform 4, upper cavity 5, optical window 6 and window protect the mounting means of cavity 7 identical with embodiment 1.
The feature of the present embodiment is, window protection cavity 7 inwall is provided with three and enters gas tubule 8, is evenly distributed on cavity inner surface, and top does not contact with window.In implementation process, gas tubule 8 can be entered by three and input protective gas such as nitrogen or helium etc..Dust in lower lumen is blown away by these gases, reduces dust to experiment scattering of light, and is formed about gas blanket at window 6, protects the cleaning of window.
Claims (8)
1. long-reach optics compatibility vacuum sample chamber, a small-bore, it is characterised in that: include the cryogenic sample bar, multichannel connecting device, ultrahigh vacuum angle adjustable device, ultrahigh vacuum XYZ three-D displacement platform, upper cavity, optical window and the window protection cavity that set gradually from top to bottom；Described cryogenic sample bar and multichannel connecting device vacuum are tightly connected; multichannel connecting device and ultrahigh vacuum angle adjustable device vacuum are tightly connected; ultrahigh vacuum angle adjustable device and ultrahigh vacuum XYZ three-D displacement platform vacuum are tightly connected; ultrahigh vacuum XYZ three-D displacement platform and upper cavity vacuum are tightly connected; upper cavity and optical window vacuum are tightly connected, and optical window protects cavity to be connected with window.
2. a kind of long-reach optics compatibility vacuum sample chamber, small-bore according to claim 1, it is characterised in that: described optical window includes the optical glass of high stability, high permeability.
3. a kind of long-reach optics compatibility vacuum sample chamber, small-bore according to claim 1, it is characterised in that: the making material of described upper cavity is rustless steel, titanium or fiberglass.
4. a kind of long-reach optics compatibility vacuum sample chamber, small-bore according to claim 1, it is characterised in that: the making material of described window protection cavity is rustless steel, titanium or fiberglass.
5. the long-reach optics compatibility vacuum sample chamber, a kind of small-bore according to claim 1 or 4; it is characterized in that: the inwall of described window protection cavity is installed at least one air inlet pipe, and this air inlet pipe protects one end that trachea stretches into window protection cavity not contact with optical window as window.
6. a kind of long-reach optics compatibility vacuum sample chamber, small-bore according to claim 1, it is characterised in that: described cryogenic sample bar includes cryostat and sample stage, and cryostat is made up of chiller and heater.
7. a kind of long-reach optics compatibility vacuum sample chamber, small-bore according to claim 6, it is characterized in that: described multichannel connecting device adopts four-way connecting device, four-way connecting device is additionally provided with electrical interface and vacuum extractor, being connected with controlling system by electrical interface, electrical interface is also connected by wire with the heater of the cold end of cryogenic sample bar.
8. a kind of long-reach optics compatibility vacuum sample chamber, small-bore according to claim 1, it is characterized in that: described ultrahigh vacuum angle adjustable device includes adjusting nut, adjusting bolt, adpting flange and corrugated tube, clamp a corrugated tube between two adpting flanges and fixed by three groups of adjusting bolts, adjusting nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620035198.1U CN205374283U (en) | 2016-01-13 | 2016-01-13 | Aperture footpath compatible vacuum sample chamber of long distance optics |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620035198.1U CN205374283U (en) | 2016-01-13 | 2016-01-13 | Aperture footpath compatible vacuum sample chamber of long distance optics |
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| CN205374283U true CN205374283U (en) | 2016-07-06 |
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| CN201620035198.1U Expired - Fee Related CN205374283U (en) | 2016-01-13 | 2016-01-13 | Aperture footpath compatible vacuum sample chamber of long distance optics |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548015A (en) * | 2016-01-13 | 2016-05-04 | 中国科学院合肥物质科学研究院 | Small-pore-diameter long-distance optical compatible vacuum sample cavity |
| CN106442619A (en) * | 2016-10-31 | 2017-02-22 | 华南理工大学 | Dual-channel room-temperature direct measuring instrument and method for magnetocaloric effect |
| CN111385951A (en) * | 2018-12-29 | 2020-07-07 | 苏州瑞派宁科技有限公司 | Soft X-ray light source |
-
2016
- 2016-01-13 CN CN201620035198.1U patent/CN205374283U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548015A (en) * | 2016-01-13 | 2016-05-04 | 中国科学院合肥物质科学研究院 | Small-pore-diameter long-distance optical compatible vacuum sample cavity |
| CN106442619A (en) * | 2016-10-31 | 2017-02-22 | 华南理工大学 | Dual-channel room-temperature direct measuring instrument and method for magnetocaloric effect |
| CN106442619B (en) * | 2016-10-31 | 2023-03-21 | 华南理工大学 | Double-channel room-temperature magnetocaloric effect direct measuring instrument and method |
| CN111385951A (en) * | 2018-12-29 | 2020-07-07 | 苏州瑞派宁科技有限公司 | Soft X-ray light source |
| CN111385951B (en) * | 2018-12-29 | 2022-07-12 | 苏州瑞派宁科技有限公司 | Soft X-ray light source |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20180113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |