CN109632114A - Optical fiber aligning device and optical fiber align method in a kind of superconducting single-photon detection system - Google Patents
Optical fiber aligning device and optical fiber align method in a kind of superconducting single-photon detection system Download PDFInfo
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- CN109632114A CN109632114A CN201910066766.2A CN201910066766A CN109632114A CN 109632114 A CN109632114 A CN 109632114A CN 201910066766 A CN201910066766 A CN 201910066766A CN 109632114 A CN109632114 A CN 109632114A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 44
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000010409 thin film Substances 0.000 claims abstract description 41
- 239000000835 fiber Substances 0.000 claims abstract description 40
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000003827 upregulation Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J11/00—Measuring the characteristics of individual optical pulses or of optical pulse trains
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses optical fiber aligning device and optical fiber align methods in a kind of superconducting single-photon detection system, belong to optical detector technology field.Optical fiber aligning device in a kind of superconducting single-photon detection system, comprising: pedestal, fiber coupler, fixing seat, middle adjustment seat and upper adjusting seat, middle adjustment seat is slidably connected respectively with fixing seat and upper adjusting seat and glide direction is mutually perpendicular to;Fixing seat, middle adjustment seat and upper adjusting seat are equipped with interconnected through-hole;One end of fiber coupler is connected with optical fiber, and the other end of fiber coupler can be slided in fixing seat and be connect with fixing seat.The present invention can make easily to be adjusted by the hot spot that optical fiber generates in three-dimensional space in superconducting single-photon detection system, pass through the fine tuning of all directions, it can make the photosensitive place on hot spot alignment superconducting thin film chip small after focusing, avoid the problems such as purely manual operation bring is inconvenient, alignment difficulty is big and hot spot is shaken.
Description
Technical field
The present invention relates to optical detector technology fields, and in particular to optical fiber aligning device in a kind of superconducting single-photon detection system
And optical fiber align method.
Background technique
Single-photon detector is a kind of device extremely sensitive to single quantum substance such as photon, is surveyed in high-resolution spectrum
Amount, non-demolition species analysis, the detection of high speed phenomenon, rigorous analysis, atmosphere survey dirty, biological radiation, high-energy physics, astrosurveillance,
The fields such as optical time domain reflection (OTDR), quantum key distribution system (QKD) have a wide range of applications.Since this kind of detector is all
Work is within the warm area of extremely low temperature 1K, and comparing common photonic semiconductor detector, (such as photoelectricity training increases pipe, avalanche diode
Deng) for, they respond speed with its exclusive high detection sensitivity, low ambient noise, low dark count rate and faster signal
Rate etc. becomes the outstanding person in photon detection.
In recent years, a kind of to cause dynamic inductance variation in superconducting resonator to realize the microwave measured based on measuring signal photon
Dynamic inductance detector (MicrowaveKineticinductancedetector, MKID) is developed rapidly.Its principle is:
The signal photon being incident on superconducting resonator destroys Cooper pair and generates quasi particle, and quasi particle can cause detector samples surface to hinder
Anti- variation realizes photon by the variation of the microwave transmission signal of monitoring detector to change the transport property of resonator
The purpose of detection.
In order to make photon accurately drop into the photosensitive place (photosensitive area very little, 20um × 20um) of superconducting thin film, need
The photosensitive place that the optical fiber for being used to conduct photon is precisely aligned to superconducting thin film, makes photon fall on photosensitive place as far as possible, to realize
The maximization of optical detection efficiency.But otherwise optical fiber cannot be completely attached to sample can destroy sample, so light is from optical fiber
Port can have very big diverging face (2mm × 2mm) when projecting to sample, only have only a few photosensitive by film so as to cause photon
Place receives, and greatly reduces the detection efficient of detector.Moreover, due to entire detector chip scale very little (chip
The gross area 1.5cm × 0.5cm, photosensitive area 20um × 20um), optical fiber and superconducting thin film alignment procedures need purely manual behaviour
Make, it is difficult.
Summary of the invention
The purpose of the present invention is to provide optical fiber aligning device and optical fiber align sides in a kind of superconducting single-photon detection system
Method, to solve the problem of that optical fiber cannot be precisely aligned to the photosensitive place of superconducting thin film in existing superconducting single-photon detection system.
The technical scheme to solve the above technical problems is that
Optical fiber aligning device in a kind of superconducting single-photon detection system, comprising: pedestal, the regulating device of suspention on the base
And fiber coupler;
Regulating device includes sequentially connected fixing seat, middle adjustment seat and upper adjusting seat, fixing seat and base from top to bottom
Seat connection, middle adjustment seat is slidably connected respectively with fixing seat and upper adjusting seat and glide direction is mutually perpendicular to;Fixing seat, middle tune
Section seat and upper adjusting seat are successively arranged vertical and interconnected first through hole, the second through-hole and third through-hole, and third is logical
Hole is equipped with superconducting thin film chip;
One end of fiber coupler is connected with optical fiber, and the other end of fiber coupler is placed in first through hole and and fixing seat
Connection.
The present invention is by the intelligent acess in superconducting single-photon detection system into fiber coupler, and fiber coupler is by multiple groups
Lens are constituted, for the light beam come in from optical fiber is pooled small hot spot and is irradiated after the second through-hole and third through-hole
On superconducting thin film chip.Fiber coupler can do the reciprocating motion on vertical direction in first through hole, and pass through tightening
Screw etc. is fixed, the size of the adjustable hot spot being radiated on superconducting thin film chip.Adjustment seat and upper adjusting in sliding
Seat, the position of adjustable hot spot irradiation, so as to be directed at the photosensitive place on superconducting thin film chip.Due to middle adjustment seat and admittedly
The glide direction between glide direction and middle adjustment seat and upper adjusting seat between reservation is on the contrary, be equivalent in X, Y both direction
On to hot spot irradiation position be adjusted, fiber coupler can move reciprocatingly in the vertical direction, be equivalent in Z-direction
On to hot spot irradiation position be adjusted, i.e., hot spot is adjusted in which can be convenient in three-dimensional space, passes through all directions
Fine tuning can make small hot spot be directed at the photosensitive place on superconducting thin film chip, avoid purely manual operation bring operation not
Just, the problems such as alignment difficulty is greatly and hot spot shakes.
Further, among the above between adjustment seat and fixing seat and upper adjusting seat respectively by inverted trapezoidal slide block and
It is slidably connected with the ladder chute of trapezoidal slide block cooperation.
The present invention is slidably connected by inverted trapezoidal slide block and inverted ladder chute, can make opposite sliding
Two components (fixing seat and middle adjustment seat and middle adjustment seat and upper adjusting seat) are engaged, in sliding, two of opposite sliding
It is in close contact between component, it is not easy to hot spot jitter phenomenon occur.
Further, the both ends of above-mentioned ladder chute are equipped with displacement governor, and displacement governor is equipped with towards trapezoidal cunning
The notch of slot.
Displacement governor of the invention be used to preventing the opposite fixing seat slided and middle adjustment seat and middle adjustment seat and
Occurs over-travel between adjustment seat.The depth of notch is this side up maximum displacement, at this time trapezoidal slide block and notch
Bottom wall contact.
Further, optical fiber aligning device further includes fixed press strip in above-mentioned superconducting single-photon detection system;Fixed press strip
Both ends connect with fixing seat and middle adjustment seat or connect respectively with middle adjustment seat and upper adjusting seat respectively.
Fixation press strip of the invention be used to fix opposite sliding fixing seat and middle adjustment seat and middle adjustment seat and
Adjustment seat.
Further, one end of above-mentioned fixed press strip is equipped with strip-shaped hole, the extending direction and fixing seat and middle tune of strip-shaped hole
It saves the glide direction between seat or the glide direction between middle adjustment seat and upper adjusting seat is consistent;It is equipped with and fixation in strip-shaped hole
The screw of seat, middle adjustment seat or upper adjusting seat connection.
The both ends of fixation press strip of the invention are connect with two components of opposite sliding respectively, and the screw in strip-shaped hole can be with
It is slided in strip-shaped hole, so that the relative position between the adjustable screw of strip-shaped hole and strip-shaped hole, so that two components are opposite
It can be fixed by fixed press strip after sliding.
A kind of optical fiber align method based on above-mentioned optical fiber aligning device, which comprises the following steps:
(1) pedestal is fixed on microscopical objective table;Superconducting thin film chip is placed on upper adjusting seat and makes superconduction
Thin film chip is placed on third through-hole, adjusts microscope in the top of superconducting thin film chip;
(2) pass through the photosensitive part of micro- sem observation superconducting thin film chip, and adjust superconducting thin film chip to make photosensitive part
Positioned at the middle part of third through-hole;
(3) fiber coupler is placed in first through hole by light to be measured from intelligent acess fiber coupler, and light beam is from optical fiber
Coupler is irradiated on superconducting thin film chip;
(4) position of fiber coupler in the vertical direction is adjusted, light beam is made to focus to superconduction through fiber coupler (30)
On thin film chip (50), and fiber coupler is fixed;
(5) pass through micro- sem observation, and adjustment seat and upper adjusting seat in adjusting, make the sense of beam alignment superconducting thin film chip
Light part.
The present invention passes through the position of three-dimensional regulation hot spot, exactly impacts small hot spot on superconducting thin film chip
Photosensitive place reduces hot spot alignment difficulty, has saved the lead time of experiment.Pass through microscopical observation, it can be determined that light beam
Whether it is focused to hot spot and observes the size of hot spot, can also facilitates and judge whether hot spot is radiated on superconducting thin film chip
Photosensitive place.
Further, further include step (6) after above-mentioned steps (5): using fixed press strip by middle adjustment seat and fixing seat
Between and middle adjustment seat and upper adjusting seat between connect.
The invention has the following advantages:
The present invention can make in superconducting single-photon detection system by optical fiber generate hot spot three-dimensional space easily into
Row is adjusted, and by the fine tuning of all directions, can be made the photosensitive place on hot spot alignment superconducting thin film chip small after focusing, be kept away
The problems such as purely manual operation bring is inconvenient, alignment difficulty is big and hot spot is shaken is exempted from.
Detailed description of the invention
Fig. 1 is the side structure schematic view of optical fiber aligning device in superconducting single-photon detection system of the invention;
Fig. 2 is the cross-sectional view of Fig. 1;
Fig. 3 is the backsight structural representation of optical fiber aligning device in superconducting single-photon detection system of the invention;
Fig. 4 is the side structure schematic view of regulating device of the invention;
Fig. 5 is the backsight structural representation of regulating device of the invention;
Fig. 6 is the connection schematic diagram of fixing seat and fiber coupler of the invention;
Fig. 7 is the structural schematic diagram of middle adjustment seat of the invention;
Fig. 8 is the structural schematic diagram of upper adjusting seat of the invention;
Fig. 9 is the structural schematic diagram of displacement governor of the invention;
Figure 10 is the connection schematic diagram of displacement governor of the invention;
Figure 11 is the structural schematic diagram of fixation press strip of the invention.
In figure: 10- pedestal;20- regulating device;30- fiber coupler;40- optical fiber;50- superconducting thin film chip;
61- trapezoidal slide block;62- ladder chute;70- displacement governor;71- notch;80- fixes press strip;81- strip-shaped hole;
210- fixing seat;211- first through hole;212- holding screw;Adjustment seat in 220-;The second through-hole of 221-;230- up-regulation
Save seat;231- third through-hole;232- resettlement groove.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Embodiment
Please refer to Fig. 1 to Fig. 3, optical fiber aligning device in a kind of superconducting single-photon detection system, comprising: pedestal 10 is adjusted
Device 20 and fiber coupler 30.Pedestal 10 is L-shaped, and one end is horizontally arranged and is equipped with threaded hole, micro- for being fixed on
On mirror objective table, threaded hole is placed vertically and be equipped with to the other end, for fixed with regulating device 20.Regulating device 20 and pedestal 10
After fixing by screw, it is in suspended state, one end of fiber coupler 30 is protruded into and fixed from the bottom of regulating device 20, separately
One end is connected with the optical fiber 40 in superconducting single-photon detection system.
Fig. 1 to Fig. 5 is please referred to, regulating device 20 includes sequentially connected fixing seat 210, middle adjustment seat 220 from top to bottom
And upper adjusting seat 230, fixing seat 210, middle adjustment seat 220 and upper adjusting seat 230 are successively arranged vertical and mutually interconnect
Logical first through hole 211, the second through-hole 221 and third through-hole 231.Lower adjusting seat is fixed on pedestal 10, fiber coupler 30
It is protruded into from the bottom of fixing seat 210.The top of fixing seat 210 is equipped with inverted ladder chute 62;The top of middle adjustment seat 220 is set
There is inverted ladder chute 62, bottom is equipped with inverted trapezoidal slide block 61;The bottom of upper adjusting seat 230 is equipped with inverted trapezoidal cunning
Block 61;Fixing seat 210 is slidably connected with middle adjustment seat 220 by the ladder chute 62 and trapezoidal slide block 61 of cooperation, middle adjustment seat
220 are slided with upper adjusting seat 230 by the ladder chute 62 and trapezoidal slide block 61 of cooperation, the ladder chute in middle adjustment seat 220
62 and 61 direction of trapezoidal slide block be mutually perpendicular to so that the glide direction between fixing seat 210 and middle adjustment seat 220 and middle adjustment seat
Glide direction between 220 and upper adjusting seat 230 is mutually perpendicular to, and is equivalent to and is adjusted X, the movement in Y-direction.
It is equipped with displacement governor 70 at the both ends of ladder chute 62, for preventing the over-travel of trapezoidal slide block 61.Gu
The junction between junction and middle adjustment seat 220 and upper adjusting seat 230 between reservation 210 and middle adjustment seat 220 is all provided with
There is fixed press strip 80, the plane where fixed press strip 80 is parallel with the extending direction of corresponding ladder chute 62.
Fig. 6 is please referred to, the middle part of fixing seat 210 is equipped with vertical first through hole 211, first through hole 211 and fiber coupling
Device 30 is mutually matched, and fiber coupler 30 is allow to do the reciprocating motion on vertical direction in first through hole 211.Fixing seat
210 side wall is equipped with threaded hole, and holding screw 212 pushes against fiber coupler 30 after threaded hole precession, makes fiber coupler 30
It is fixed in first through hole 211 in the effect of holding screw 212.By adjusting fiber coupler 30 in first through hole 211
Position and fixation by holding screw 212, are adjusted fiber coupler 30 in the vertical direction, are equivalent to tune
Save the movement in Z-direction.
Fig. 7 is please referred to, the middle part of middle adjustment seat 220 is equipped with the second vertical through-hole 221, and the second through-hole 221 and first is logical
Hole 211 is oppositely arranged, and light beam can smoothly be extended from first through hole 211 and the second through-hole 221.
Fig. 8 is please referred to, the top of upper adjusting seat 230 is equipped with the resettlement groove 232 of placement superconducting thin film chip 50, resettlement groove
232 middle part is equipped with vertical third through-hole 231, and third through-hole 231 is directed at the second through-hole 221, and light beam can be smoothly from first
Extended in through-hole 211, the second through-hole 221 and third through-hole 231, and is consequently focused on superconducting thin film chip 50.
Fig. 9 and Figure 10 are please referred to, the side of displacement governor 70 is equipped with notch 71, and notch 71 is directed at ladder chute 62, ladder
Shape sliding block 61 can be limited by the bottom of notch 71 after stretching out in ladder chute 62, prevent the over-travel of trapezoidal slide block 61.
Figure 11 is please referred to, fixed press strip 80 is for stationary phase to two components (fixing seat 210 and the middle adjustment seat of sliding
220 and middle adjustment seat 220 and upper adjusting seat 230), one end of fixed press strip 80 is connect by screw with one of component,
The other end of fixed press strip 80 is equipped with strip-shaped hole 81 and is connect by the screw through strip-shaped hole 81 with another component, bar shaped
Glide direction or middle adjustment seat 220 and upper adjusting seat between the extending direction and fixing seat 210 and middle adjustment seat 220 in hole 81
Glide direction between 230 is consistent, and so as to which the component of two opposite slidings to be fixedly connected, two components are slided
After dynamic, position after adjustment can be fixed by fixed press strip 80, the position for preventing hot spot from irradiating changes.
A kind of optical fiber align method based on above-mentioned optical fiber aligning device, comprising the following steps:
(1) bottom of pedestal 10 is fixed by screws on microscopical objective table;Superconducting thin film chip 50 is placed in
In resettlement groove 232 and the photosensitive place of superconducting thin film chip 50 is made to be located substantially at the top of third through-hole 231, then adjust microscope in
The top of superconducting thin film chip 50;
(2) by the photosensitive part of micro- sem observation superconducting thin film chip 50, and adjust superconducting thin film chip 50 make it is photosensitive
Part is located at the middle part of third through-hole 231;
(3) fiber coupler 30 is put into first through hole 211 by light to be measured from 40 incoming fiber optic coupler 30 of optical fiber,
Light beam is irradiated on superconducting thin film chip 50 from fiber coupler 30;
(4) position of fiber coupler 30 in the vertical direction is adjusted, focuses light beam on superconducting thin film chip 50, is revolved
Holding screw 212 is twisted, fiber coupler 30 is fixed;
(5) by micro- sem observation, and adjustment seat 220 and upper adjusting seat 230 in being adjusted by way of sliding, make light beam
It is directed at the photosensitive part of superconducting thin film chip 50.
(6) screw the screw in strip-shaped hole 81, by between middle adjustment seat 220 and fixing seat 210 and middle adjustment seat 220 and
It is fixedly connected between upper adjusting seat 230.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. optical fiber aligning device in a kind of superconducting single-photon detection system characterized by comprising pedestal (10) is suspended in institute
State the regulating device (20) and fiber coupler (30) on pedestal (10);
The regulating device (20) includes sequentially connected fixing seat (210), middle adjustment seat (220) and upper adjusting from top to bottom
Seat (230), the fixing seat (210) connect with the pedestal (10), the middle adjustment seat (220) respectively with the fixing seat
(210) and the upper adjusting seat (230) is slidably connected and glide direction is mutually perpendicular to;The fixing seat (210), the middle tune
Section seat (220) and the upper adjusting seat (230) are successively arranged vertical and interconnected first through hole (211), second lead to
Hole (221) and third through-hole (231), the third through-hole (231) are equipped with superconducting thin film chip (50);
One end of the fiber coupler (30) is connected with optical fiber (40), and the other end of the fiber coupler (30) is placed in described
It is connect in first through hole (211) and with the fixing seat (210).
2. optical fiber aligning device in superconducting single-photon detection system according to claim 1, which is characterized in that the middle tune
Save between seat (220) and the fixing seat (210) and the upper adjusting seat (220) respectively by inverted trapezoidal slide block (61) with
And it is slidably connected with the ladder chute (62) of the trapezoidal slide block (61) cooperation.
3. optical fiber aligning device in superconducting single-photon detection system according to claim 2, which is characterized in that described trapezoidal
The both ends of sliding slot are equipped with displacement governor (70), and the displacement governor (70) is equipped with lacking towards the ladder chute (62)
Mouth (71).
4. optical fiber aligning device in superconducting single-photon detection system according to claim 3, which is characterized in that further include solid
Level pressure item (80);The both ends of the fixed press strip (80) are connect with the fixing seat (210) and the middle adjustment seat (220) respectively
Or it is connect respectively with the middle adjustment seat (220) and the upper adjusting seat (230).
5. optical fiber aligning device in superconducting single-photon detection system according to claim 4, which is characterized in that the fixation
One end of press strip (80) is equipped with strip-shaped hole (81), the extending direction of the strip-shaped hole (81) and the fixing seat (210) and described
The sliding side between glide direction or the middle adjustment seat (220) and the upper adjusting seat (230) between middle adjustment seat (220)
To consistent;It is equipped with and the fixing seat (210), the middle adjustment seat (220) or the upper adjusting seat in the strip-shaped hole (81)
(230) screw connected.
6. a kind of optical fiber align method based on optical fiber aligning device described in any one of claim 1 to 5, which is characterized in that
The following steps are included:
(1) pedestal (10) is fixed on microscopical objective table;Superconducting thin film chip (50) is placed on upper adjusting seat (230)
And it is placed in superconducting thin film chip (50) on third through-hole (231), microscope is adjusted in the top of superconducting thin film chip (50);
(2) by the photosensitive part of micro- sem observation superconducting thin film chip (50), and adjust superconducting thin film chip (50) make it is photosensitive
Part is located at the middle part of third through-hole (231);
(3) fiber coupler (30) is placed in first through hole (211) from optical fiber (40) incoming fiber optic coupler (30) by light to be measured
In, light beam is irradiated on superconducting thin film chip (50) from fiber coupler (30);
(4) position of fiber coupler (30) in the vertical direction is adjusted, light beam is made to focus to superconduction through fiber coupler (30)
On thin film chip (50), and fiber coupler (30) are fixed;
(5) pass through micro- sem observation, and adjustment seat (220) and upper adjusting seat (230) in adjusting, make beam alignment superconducting thin film core
The photosensitive part of piece (50).
7. optical fiber align method according to claim 6, which is characterized in that after the step (5) further include step (6):
It will be between middle adjustment seat (220) and fixing seat (210) and middle adjustment seat (220) and upper adjusting seat with fixed press strip (80)
(220) it is connected between.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111121958A (en) * | 2019-12-24 | 2020-05-08 | 中国计量科学研究院 | System and method for aligning optical fiber and superconducting photon detector |
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EP0935124A2 (en) * | 1998-02-09 | 1999-08-11 | Eni Technologies, Inc. | Fiber optic position sensor for tuning capacitor |
CN101251624A (en) * | 2008-03-22 | 2008-08-27 | 燕山大学 | Photon crystal optical fiber fusion splicing three-dimensional alignment apparatus and method |
CN101614594A (en) * | 2009-07-28 | 2009-12-30 | 南京大学 | Superconducting single-photon detector and method for packing |
US20120045487A1 (en) * | 2009-04-29 | 2012-02-23 | The Regents Of The University Of Michigan | Multiphasic microfibers for spatially guided cell growth |
CN108333696A (en) * | 2018-04-13 | 2018-07-27 | 南京大学 | A kind of superconducting single-photon detector casing fill-in light alignment package device |
-
2019
- 2019-01-23 CN CN201910066766.2A patent/CN109632114B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0935124A2 (en) * | 1998-02-09 | 1999-08-11 | Eni Technologies, Inc. | Fiber optic position sensor for tuning capacitor |
CN101251624A (en) * | 2008-03-22 | 2008-08-27 | 燕山大学 | Photon crystal optical fiber fusion splicing three-dimensional alignment apparatus and method |
US20120045487A1 (en) * | 2009-04-29 | 2012-02-23 | The Regents Of The University Of Michigan | Multiphasic microfibers for spatially guided cell growth |
CN101614594A (en) * | 2009-07-28 | 2009-12-30 | 南京大学 | Superconducting single-photon detector and method for packing |
CN108333696A (en) * | 2018-04-13 | 2018-07-27 | 南京大学 | A kind of superconducting single-photon detector casing fill-in light alignment package device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111121958A (en) * | 2019-12-24 | 2020-05-08 | 中国计量科学研究院 | System and method for aligning optical fiber and superconducting photon detector |
CN111121958B (en) * | 2019-12-24 | 2021-11-02 | 中国计量科学研究院 | System and method for aligning optical fiber and superconducting photon detector |
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