CN105552694A - Vacuum optical waveguide calibration device - Google Patents
Vacuum optical waveguide calibration device Download PDFInfo
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- CN105552694A CN105552694A CN201610089617.4A CN201610089617A CN105552694A CN 105552694 A CN105552694 A CN 105552694A CN 201610089617 A CN201610089617 A CN 201610089617A CN 105552694 A CN105552694 A CN 105552694A
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- straight pipe
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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
- H01S3/03—Constructional details of gas laser discharge tubes
- H01S3/034—Optical devices within, or forming part of, the tube, e.g. windows, mirrors
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention relates to a vacuum optical waveguide calibration device, which comprises a cavity through pipe, wherein a hollow thin steel tube is arranged in the cavity through pipe; an optical waveguide capillary tube is arranged in the hollow thin steel tube; an entrance window and an exit window are respectively arranged at two ends of the cavity through pipe; an entrance regulating device is arranged between the entrance window and the cavity through pipe; and an exit entrance regulating device is arranged between the exit window and the cavity through pipe. According to the vacuum optical waveguide calibration device, effective calibration of an optical waveguide tube can be quickly and conveniently realized; the vacuum optical waveguide calibration device is applied to the fields of laser-matter interaction with the vacuum environmental requirements, such as laser-driven extreme ultraviolet radiation, higher harmonic, four-wave mixing, spectral broadening and other fields; and the vacuum optical waveguide calibration device has the characteristics of easy operation, strong flexibility, wide application range and the like.
Description
Technical field
The present invention relates to a kind of calibrating installation of vacuum fiber waveguide, be applicable to the high-order harmonics spectrum field of vacuum environment demand, as Laser Driven produces extreme ultraviolet radiation, high order harmonic component, four wave mixing, spectrum widening etc.
Background technology
The interaction of laser and material often can adopt the pattern of capillary fiber waveguide to make it fully react and obtain best phase matching relationship.Meanwhile, in order to make the gaseous material being full of capillary not contaminated, often needing capillary to be placed in vacuum environment, and then being filled with pure particular job material.So, how by laser, the capillary accurately imported in vacuum will face certain calibration challenge.The present invention produces thus.
Summary of the invention
For the above-mentioned technical problem of prior art, the invention provides a kind of vacuum fiber waveguide calibrating installation, can be used for the high-order harmonics spectrum field having vacuum environment demand, as Laser Driven produces the field such as extreme ultraviolet radiation, high order harmonic component, four wave mixing, spectrum widening, have simple to operate, flexibility is strong and the feature such as applied widely.
For achieving the above object, the present invention is achieved by the following technical solutions:
A kind of vacuum fiber waveguide calibrating installation, comprise cavity straight pipe, in described cavity straight pipe, hollow thin steel pipe is installed, fiber waveguide capillary is provided with in described hollow thin steel pipe, the two ends of described cavity straight pipe are separately installed with entrance window and exit window, be provided with incident adjusting device between described entrance window and cavity straight pipe, between described exit window and cavity straight pipe, be provided with outgoing adjusting device.
Described incident adjusting device comprises incident two-dimension translational platform one, incident two-dimension translational platform two, incident observation straight pipe, incident bellows and three-way pipe, described incident two-dimension translational platform one is positioned at the porch of fiber waveguide capillary, described incident two-dimension translational platform two is adjacent with entrance window, described incidence is observed straight pipe and is connected with cavity straight pipe, the end of described hollow thin steel pipe and fiber waveguide capillary is positioned at incident observation straight pipe inside, one end of described incident bellows is observed straight pipe with incidence and is connected, the other end of incident bellows is connected with three-way pipe, described entrance window is positioned on three-way pipe, and three-way pipe is provided with incoming end.
Described outgoing adjusting device comprises outgoing two-dimension translational platform one, outgoing two-dimension translational platform two, straight pipe is observed in outgoing, outgoing bellows and straight pipe, described outgoing two-dimension translational platform one is positioned at the exit of fiber waveguide capillary, described outgoing two-dimension translational platform two is adjacent with exit window, described outgoing is observed straight pipe and is connected with cavity straight pipe, the end of described hollow thin steel pipe and fiber waveguide capillary is positioned at outgoing and observes straight pipe inside, one end and the outgoing of described outgoing bellows are observed straight pipe and are connected, the other end of outgoing bellows is connected with straight pipe, described exit window is positioned on straight pipe.
The two ends of described hollow thin steel pipe are equipped with fine steel tube support, and described fine steel tube support is positioned at the inside of cavity straight pipe.
Described cavity straight pipe, between incident adjusting device and entrance window, be equipped with vacuum flange interface, adopt vacuum clamp to seal between described vacuum flange interface and link; Described cavity straight pipe, between outgoing adjusting device and exit window, be equipped with vacuum flange interface, adopt vacuum clamp to seal between described vacuum flange interface and link.
Straight pipe is observed in described incidence and outgoing observation straight pipe is all transparent.
Described incident bellows is incident flexible bellows, and described outgoing bellows is the flexible bellows of outgoing.
Described entrance window and exit window all adopt KF blind plate structure, and borehole is established in the center of circle of described blind plate, described in hollow out position by transparent window film cover sealing.
Described fine steel tube support comprises interior annulus and outer toroid, and described interior annulus bites hollow thin steel pipe, and hollow thin steel pipe is fixed on the cental axial position of cavity straight pipe by described outer toroid.
When described fiber waveguide calibrating installation uses, access four-way pipe, the top of described four-way pipe is connected with fiber waveguide calibrating installation, the bottom of four-way pipe is provided with vacuum pump by baffle valve, the left part of four-way pipe is connected to gas storage cylinder by air inlet steel pipe connecting, and inlet port is provided with air inlet micro-adjustable valve, the right part of four-way pipe is provided with vacuum gauge; The side of entrance window is provided with condenser lens, and laser is injected from condenser lens.
Beneficial effect of the present invention is as follows:
The laser that the present invention utilizes entrance window to be launched by laser imports vacuum chamber device, two-dimension translational platform is utilized to regulate the position of entrance window, capillary, exit window, utilize the collimation position having observation window straight pipe to observe laser, finally utilize exit window to export the specific laser after interacting with the operation material in capillary, effective calibration of optical waveguide can be realized quickly and easily.The present invention can be applicable to the high-order harmonics spectrum field of vacuum environment demand, as Laser Driven produces the field such as extreme ultraviolet radiation, high order harmonic component, four wave mixing, spectrum widening, have simple to operate, flexibility is strong and the feature such as applied widely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of entrance window in the present invention and exit window;
Fig. 3 is the fine steel tube supporting structure schematic diagram in the present invention;
Fig. 4 is using state figure of the present invention;
Wherein, 1 is cavity straight pipe, 2 is incident observation straight pipe, 3 is outgoing observation straight pipe, 4 is incident flexible bellows, 5 is the flexible bellows of outgoing, 6 is three-way pipe, 7 is straight pipe, 8 is entrance window, 9 is exit window, 10 is incident two-dimension translational platform one, 11 is outgoing two-dimension translational platform one, 12 is incident two-dimension translational platform two, 13 is outgoing two-dimension translational platform two, 14 is hollow thin steel pipe, 15 is fine steel tube support, 151 is interior annulus, 152 is outer toroid, 16 is fiber waveguide capillary, 17 is incoming end, 18 is laser, 19 is condenser lens, 20 is four-way pipe, 21 is air inlet micro-adjustable valve, 22 is air inlet steel pipe, 23 is gas storage cylinder, 24 is vacuum pump, 25 is baffle valve, 26 is vacuum gauge.
Embodiment
Below in conjunction with specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
As Figure 1-3, vacuum fiber waveguide calibrating installation of the present invention, comprise cavity straight pipe 1, hollow thin steel pipe 14 is installed in cavity straight pipe 1, fiber waveguide capillary 16 is provided with in hollow thin steel pipe 14, the two ends of hollow thin steel pipe 14 are equipped with fine steel tube support 15, and fine steel tube support 15 is positioned at the inside of cavity straight pipe 1; Fine steel tube support 15 comprises interior annulus 151 and outer toroid 152, and interior annulus 151 bites hollow thin steel pipe 14, and hollow thin steel pipe 14 is fixed on the cental axial position of cavity straight pipe 1 by outer toroid 152.
The two ends of the cavity straight pipe 1 in the present invention are separately installed with entrance window 8 and exit window 9, and entrance window 8 and exit window 9 all adopt KF blind plate structure, and borehole is established in the center of circle of blind plate, hollow out position and cover sealing by transparent window film.
Be provided with incident adjusting device between entrance window 8 in the present invention and cavity straight pipe 1, between exit window 9 and cavity straight pipe 1, be provided with outgoing adjusting device.
Incident adjusting device in the present invention comprises incident two-dimension translational platform 1, incident two-dimension translational platform 2 12, incident observation straight pipe 2, incident bellows 4 and three-way pipe 6, incident two-dimension translational platform 1 is positioned at the porch of fiber waveguide capillary 16, incident two-dimension translational platform 2 12 is adjacent with entrance window 8, incident straight pipe 2 of observing is connected with cavity straight pipe 1, the end of hollow thin steel pipe 14 and fiber waveguide capillary 16 is positioned at incident observation straight pipe 2 inside, one end of incident bellows 4 is observed straight pipe 2 with incidence and is connected, the other end of incident bellows 4 is connected with three-way pipe 6, entrance window 8 is positioned on three-way pipe 6, and three-way pipe 6 is provided with incoming end 17, during use, access is bled, air inlet, survey the devices such as gas.
Outgoing adjusting device in the present invention comprises outgoing two-dimension translational platform 1, outgoing two-dimension translational platform 2 13, straight pipe 3 is observed in outgoing, outgoing bellows 5 and straight pipe 7, outgoing two-dimension translational platform 1 is positioned at the exit of fiber waveguide capillary 16, outgoing two-dimension translational platform 2 13 is adjacent with exit window 9, outgoing is observed straight pipe 3 and is connected with cavity straight pipe 1, the end of hollow thin steel pipe 14 and fiber waveguide capillary 16 is positioned at outgoing and observes straight pipe 3 inside, one end and the outgoing of outgoing bellows 5 are observed straight pipe 3 and are connected, the other end of outgoing bellows 5 is connected with straight pipe 7, exit window 9 is positioned on straight pipe 7.
Straight pipe 2 is observed in incidence in the present invention and incident straight pipe 3 of observing need adopt transparent material to customize, and observes laser alignment situation to facilitate.
Cavity straight pipe 1 in the present invention, between incident adjusting device and entrance window 8, be equipped with vacuum flange interface, adopt vacuum clamp to seal between vacuum flange interface and link; Cavity straight pipe 1, between outgoing adjusting device and exit window 9, be equipped with vacuum flange interface, adopt vacuum clamp to seal between vacuum flange interface and link.
Incident bellows 4 in the present invention is incident flexible bellows, and outgoing bellows 5 is the flexible bellows of outgoing.
As shown in Figure 4, the vacuum fiber waveguide calibrating installation of the present embodiment, is applied to 800nm+1600nm two-tone femtosecond laser and argon gas and interacts and realize the experimental study of four wave mixing: cavity straight pipe 1 is stainless steel material, and internal diameter is 40mm; It is clear perspex material that straight pipe 3 is observed in incident observation straight pipe 2 and outgoing, and internal diameter is 40mm; Incident flexible bellows 4 and the flexible bellows 5 of outgoing are stainless steel material, and internal diameter is 40mm; Multifunctional three-way pipe 6 is stainless steel material, and internal diameter is 40mm; Straight pipe 7 is stainless steel material, and internal diameter is 40mm; Entrance window 8 and exit window 9 adopt KF40 blind plate structure, and it is 20mm that hole is drawn at center, and covering diameter is the CaF of 25mm
2glass; Incident two-dimension translational platform 1, outgoing two-dimension translational platform 1, incident two-dimension translational platform 2 12 and outgoing two-dimension translational platform 2 13 are the X-Y two-dimension translational platform that Chinese Optical Co., Ltd of standing upright dispatches from the factory, and stroke is 10mm; Hollow thin steel pipe 14 internal diameter is 3.5mm, and external diameter is 6mm, and length is 550mm; The material of fine steel tube support 15 is aluminium, and inner ring internal diameter is 6.2mm, and outer shroud external diameter is 39.8mm; The internal diameter of fiber waveguide capillary 16 is 0.15mm, and external diameter is 3mm, and length is 600mm; Laser 18 is 800nm+1600nm two-tone femtosecond laser; The focal length of condenser lens 19 is 1m; Four-way pipe 20 is stainless steel material, and internal diameter is 40mm.
In the present embodiment, when fiber waveguide calibrating installation uses, access four-way pipe 20, the top of four-way pipe 20 is connected with the access port 17 of fiber waveguide calibrating installation, the bottom of four-way pipe 20 is provided with vacuum pump 24 by baffle valve 25, the left part of four-way pipe 20 is connected with gas storage cylinder 23 by air inlet steel pipe 22, and inlet port is provided with air inlet micro-adjustable valve 21, and the right part of four-way pipe 21 is provided with vacuum gauge 26; The side of entrance window 8 is provided with condenser lens 19, and laser 18 is injected from condenser lens 19.
Calibrating principle of the present invention is: on the one hand utilize flexible bellows to carry out two-dimensional calibration that laser goes out incidence point tangent plane, utilizes transparent observation straight pipe to carry out calibration on the other hand and observes, thus realize effective calibration of optical waveguide quickly and easily.
Calibration steps of the present invention is as follows: utilize the incident two-dimension translational platform 2 12 be arranged near entrance window 8 to carry out the calibration of vacuum chamber incoming position; The outgoing two-dimension translational platform 2 13 be arranged near exit window 9 is utilized to carry out the calibration of vacuum chamber Exit positions; The incident two-dimension translational platform 1 being arranged on fiber waveguide capillary 16 porch is utilized to carry out the calibration of capillary incoming position; The outgoing two-dimension translational platform 11 being arranged on fiber waveguide capillary 16 exit is utilized to carry out the calibration of capillary Exit positions.
The laser that the present invention utilizes entrance window to be launched by laser imports vacuum chamber device, two-dimension translational platform is utilized to regulate the position of entrance window, capillary, exit window, utilize the collimation position having observation window straight pipe to observe laser, finally utilize exit window to export the specific laser after interacting with the operation material in capillary, effective calibration of optical waveguide can be realized quickly and easily.
The present invention can be applicable to the high-order harmonics spectrum field of vacuum environment demand, as Laser Driven produces the field such as extreme ultraviolet radiation, high order harmonic component, four wave mixing, spectrum widening, have simple to operate, flexibility is strong and the feature such as applied widely.
Above-described embodiment only illustrates inventive concept of the present invention for explaining, but not the restriction to rights protection of the present invention, all changes utilizing this design the present invention to be carried out to unsubstantiality, all should fall into protection scope of the present invention.
Claims (10)
1. a vacuum fiber waveguide calibrating installation, it is characterized in that: comprise cavity straight pipe, in described cavity straight pipe, hollow thin steel pipe is installed, fiber waveguide capillary is provided with in described hollow thin steel pipe, the two ends of described cavity straight pipe are separately installed with entrance window and exit window, be provided with incident adjusting device between described entrance window and cavity straight pipe, between described exit window and cavity straight pipe, be provided with outgoing adjusting device.
2. vacuum fiber waveguide calibrating installation as claimed in claim 1, it is characterized in that: described incident adjusting device comprises incident two-dimension translational platform one, incident two-dimension translational platform two, incident observation straight pipe, incident bellows and three-way pipe, described incident two-dimension translational platform one is positioned at the porch of fiber waveguide capillary, described incident two-dimension translational platform two is adjacent with entrance window, described incidence is observed straight pipe and is connected with cavity straight pipe, the end of described hollow thin steel pipe and fiber waveguide capillary is positioned at incident observation straight pipe inside, one end of described incident bellows is observed straight pipe with incidence and is connected, the other end of incident bellows is connected with three-way pipe, described entrance window is positioned on three-way pipe, and three-way pipe is provided with incoming end.
3. vacuum fiber waveguide calibrating installation as claimed in claim 2, it is characterized in that: described outgoing adjusting device comprises outgoing two-dimension translational platform one, outgoing two-dimension translational platform two, straight pipe is observed in outgoing, outgoing bellows and straight pipe, described outgoing two-dimension translational platform one is positioned at the exit of fiber waveguide capillary, described outgoing two-dimension translational platform two is adjacent with exit window, described outgoing is observed straight pipe and is connected with cavity straight pipe, the end of described hollow thin steel pipe and fiber waveguide capillary is positioned at outgoing and observes straight pipe inside, one end and the outgoing of described outgoing bellows are observed straight pipe and are connected, the other end of outgoing bellows is connected with straight pipe, described exit window is positioned on straight pipe.
4. vacuum fiber waveguide calibrating installation as claimed in claim 1, is characterized in that: the two ends of described hollow thin steel pipe are equipped with fine steel tube support, and described fine steel tube support is positioned at the inside of cavity straight pipe.
5. vacuum fiber waveguide calibrating installation as claimed in claim 1, is characterized in that: described cavity straight pipe, be equipped with vacuum flange interface between incident adjusting device and entrance window, adopts vacuum clamp to seal and link between described vacuum flange interface; Described cavity straight pipe, between outgoing adjusting device and exit window, be equipped with vacuum flange interface, adopt vacuum clamp to seal between described vacuum flange interface and link.
6. vacuum fiber waveguide calibrating installation as claimed in claim 3, is characterized in that: straight pipe is observed in described incidence and outgoing observation straight pipe is all transparent.
7. vacuum fiber waveguide calibrating installation as claimed in claim 3, it is characterized in that: described incident bellows is incident flexible bellows, described outgoing bellows is the flexible bellows of outgoing.
8. vacuum fiber waveguide calibrating installation as claimed in claim 1, is characterized in that: described entrance window is identical with exit window structure, and all adopt KF blind plate structure, borehole is established in the center of circle of described blind plate, described in hollow out position and cover sealing by transparent window film.
9. vacuum fiber waveguide calibrating installation as claimed in claim 4, it is characterized in that: described fine steel tube support comprises interior annulus and outer toroid, described interior annulus bites hollow thin steel pipe, and hollow thin steel pipe is fixed on the cental axial position of cavity straight pipe by described outer toroid.
10. the vacuum fiber waveguide calibrating installation as described in claim as arbitrary in claim 1-9, it is characterized in that: when described fiber waveguide calibrating installation uses, access four-way pipe, the top of described four-way pipe is connected with fiber waveguide calibrating installation, the bottom of four-way pipe is provided with vacuum pump by baffle valve, the left part of four-way pipe is connected to gas storage cylinder by air inlet steel pipe connecting, and inlet port is provided with air inlet micro-adjustable valve, and the right part of four-way pipe is provided with vacuum gauge; The side of entrance window is provided with condenser lens, and laser is injected from condenser lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610089617.4A CN105552694B (en) | 2016-02-18 | 2016-02-18 | A kind of vacuum optical waveguide calibrating installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610089617.4A CN105552694B (en) | 2016-02-18 | 2016-02-18 | A kind of vacuum optical waveguide calibrating installation |
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| CN105552694A true CN105552694A (en) | 2016-05-04 |
| CN105552694B CN105552694B (en) | 2018-10-23 |
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| CN201610089617.4A Expired - Fee Related CN105552694B (en) | 2016-02-18 | 2016-02-18 | A kind of vacuum optical waveguide calibrating installation |
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-
2016
- 2016-02-18 CN CN201610089617.4A patent/CN105552694B/en not_active Expired - Fee Related
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| CN103259161A (en) * | 2013-04-21 | 2013-08-21 | 山东科技大学 | Cyclic air-exhausting method for obtaining high-purity terahertz working substance and optical maser |
| CN103929871A (en) * | 2014-04-14 | 2014-07-16 | 温州大学 | Cavity interior gas spraying target device with cavity outside precise control function |
| CN105047510A (en) * | 2015-06-30 | 2015-11-11 | 北京中科科仪股份有限公司 | Deep ultraviolet laser and photo-emission electron microscope docking system |
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Non-Patent Citations (1)
| Title |
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| MARCUS BEUTLER 等: "Generation of sub-50-fs vacuum ultraviolet pulses by four-wave mixing in argon", 《OPTICS LETTERS》 * |
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