RU95122597A - METHOD FOR FIBER POSITION CONTROL, METHOD FOR FIBER POSITION MANAGEMENT AND DEVICE FOR MEASURING DISTANCE TO SURFACE - Google Patents
METHOD FOR FIBER POSITION CONTROL, METHOD FOR FIBER POSITION MANAGEMENT AND DEVICE FOR MEASURING DISTANCE TO SURFACEInfo
- Publication number
- RU95122597A RU95122597A RU95122597/28A RU95122597A RU95122597A RU 95122597 A RU95122597 A RU 95122597A RU 95122597/28 A RU95122597/28 A RU 95122597/28A RU 95122597 A RU95122597 A RU 95122597A RU 95122597 A RU95122597 A RU 95122597A
- Authority
- RU
- Russia
- Prior art keywords
- fiber
- spatial frequency
- light
- spatial
- modulation
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims 13
- 239000000835 fiber Substances 0.000 claims 17
- 238000001514 detection method Methods 0.000 claims 5
- 238000001228 spectrum Methods 0.000 claims 4
- 230000005855 radiation Effects 0.000 claims 3
- 238000012886 linear function Methods 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 claims 1
- 238000005286 illumination Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
Claims (1)
(а) направление пучка излучения на волокно так, что часть волокна является источником рассеянного света;
(б) пространственную модуляцию света от указанного источника рассеянного света, причем указанная пространственная модуляция характеризуется пространственной частотой ωM;
(в) детектирование пространственно модулированного света и
(г) определение пространственной частоты ωD детектированного пространственно модулированного света, причем указанная пространственная частота указывает на местоположение волокна, а также в качестве возможной, но не обязательной операции;
(д) генерирование управляющего сигнала для местоположении волокна, исходя из значения пространственной частоты ωD.
2. Способ по п. 1, отличающийся тем, что при выполнении операции (г) формируют спектр пространственных частот указанного детектированного пространственно модулированного света и идентифицируют составляющую указанного спектра пространственных частот, имеющую пространственную частоту ωD,, которая указывает на местоположение волокна.1. The method of controlling the position of the fiber, characterized in that it contains the following operations:
(a) directing the radiation beam to the fiber so that part of the fiber is a source of scattered light;
(b) the spatial modulation of light from the specified source of scattered light, and the specified spatial modulation is characterized by the spatial frequency ω M ;
(c) detecting spatially modulated light; and
(d) determining the spatial frequency ω D of the detected spatially modulated light, wherein said spatial frequency indicates the location of the fiber, as well as a possible but not necessary operation;
(e) generating a control signal for the location of the fiber based on the spatial frequency ω D.
2. The method according to p. 1, characterized in that when the operation (d) is formed, the spatial frequency spectrum of the detected spatially modulated light is identified and a component of the specified spatial frequency spectrum having a spatial frequency ω D , which indicates the location of the fiber, is identified.
5. Способ по пп. 2 - 4, отличающийся тем, что волокно прозрачно и пучок света дает интерференционную картину, которую детектируют при выполнении операции (в).4. The method according to PP. 1 - 3, characterized in that between the operations (b) and (c) the specified spatially modulated light is transformed by a lens system so that the position of the fiber becomes a linear function of ω D.
5. The method according to PP. 2 to 4, characterized in that the fiber is transparent and the light beam gives an interference pattern, which is detected during operation (c).
(а) направление пучка излучения на волокно так, что часть волокна является источником рассеянного света;
(б) пространственную модуляцию света от источника рассеянного света, причем указанная пространственная модуляция характеризуется пространственной частотой ωМ;
(в) детектирование пространственно модулированного света;
(г) определение пространственной частоты ωD детектированного пространственно модулированного света, причем указанная пространственная частота указывает на положение волокна;
(д) генерирование управляющего сигнала для положения волокна, исходя из значения пространственной частоты ωD.11. The method of controlling the position of the fiber characterized in that it contains the following operations:
(a) directing the radiation beam to the fiber so that part of the fiber is a source of scattered light;
(b) spatial modulation of light from a scattered light source, wherein said spatial modulation is characterized by a spatial frequency ω M ;
(c) detecting spatially modulated light;
(d) determining the spatial frequency ω D of the detected spatially modulated light, said spatial frequency indicating the position of the fiber;
(e) generating a control signal for the position of the fiber based on the spatial frequency ω D.
13. Устройство по п. 12, отличающееся тем, что в качестве средств пространственной модуляции использована дифракционная решетка Ронки.12. A device for measuring distance to a surface, characterized in that it comprises means for detecting light in a plurality of spatially distributed positions, illumination means for directing the light beam to the surface so that at least a portion of the beam is scattered by the surface onto the detection means (diffused light) , means installed between the surface and the detection means for spatial modulation of the scattered light, and this modulation of the scattered light is characterized by spatial at the frequency ω M , means for determining the spatial frequency ω D of spatially modulated scattered light on the detection means, the distance between the spatial modulation means and the surface being a function of ω D.
13. The device according to p. 12, characterized in that as a means of spatial modulation used diffraction grating Ronchi.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/368,311 US5519487A (en) | 1994-12-30 | 1994-12-30 | Method for monitoring the position of a fiber |
US08/368311 | 1994-12-30 | ||
US08/368,311 | 1994-12-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU95122597A true RU95122597A (en) | 1997-12-27 |
RU2152589C1 RU2152589C1 (en) | 2000-07-10 |
Family
ID=23450711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU95122597/28A RU2152589C1 (en) | 1994-12-30 | 1995-12-28 | Process controlling position of fiber, method of control over position of fiber and device to measure distance to surface |
Country Status (12)
Country | Link |
---|---|
US (1) | US5519487A (en) |
EP (1) | EP0720001B1 (en) |
JP (1) | JP3677639B2 (en) |
KR (1) | KR960024248A (en) |
AU (1) | AU686910B2 (en) |
BR (1) | BR9506096A (en) |
CA (1) | CA2163161A1 (en) |
DE (1) | DE69526321T2 (en) |
DK (1) | DK0720001T3 (en) |
RU (1) | RU2152589C1 (en) |
TW (1) | TW302433B (en) |
UA (1) | UA32584C2 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001527651A (en) | 1997-05-22 | 2001-12-25 | コーニング インコーポレイテッド | Method and apparatus for detecting surface flaws in optical fibers |
WO2002037621A2 (en) * | 2000-10-30 | 2002-05-10 | Santur Corporation | Tunable controlled laser array |
WO2002037069A1 (en) | 2000-10-30 | 2002-05-10 | Santur Corporation | Laser and fiber coupling control |
US6813300B2 (en) | 2001-03-30 | 2004-11-02 | Santur Corporation | Alignment of an on chip modulator |
WO2002084742A1 (en) | 2001-03-30 | 2002-10-24 | Santur Corporation | Switched laser array modulation with integral electroabsorption modulator |
US6781734B2 (en) | 2001-03-30 | 2004-08-24 | Santur Corporation | Modulator alignment for laser |
US6879442B2 (en) * | 2001-08-08 | 2005-04-12 | Santur Corporation | Method and system for selecting an output of a VCSEL array |
AU2002217163A1 (en) * | 2001-12-27 | 2003-07-15 | Pirelli & C. S.P.A. | On-line tension measurement in an optical fibre |
US6910780B2 (en) * | 2002-04-01 | 2005-06-28 | Santur Corporation | Laser and laser signal combiner |
JP2008145290A (en) * | 2006-12-11 | 2008-06-26 | Seiko Precision Inc | Range finder |
WO2010116762A1 (en) * | 2009-04-09 | 2010-10-14 | 株式会社フジクラ | Method and device for measuring hole diameter of optical fiber with hole, and method and device for manufacturing optical fiber with hole |
CN104537414B (en) * | 2015-01-08 | 2017-09-12 | 山东师范大学 | Optical stripe robot scaler and method of counting based on optical fiber |
CN116134355A (en) * | 2020-06-19 | 2023-05-16 | 朗美通经营有限责任公司 | System and method for vertically aligning optical fibers to photonic wafers |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3982816A (en) * | 1974-06-21 | 1976-09-28 | Western Electric Company, Inc. | Method for measuring the parameters of optical fibers |
US4067651A (en) * | 1974-06-21 | 1978-01-10 | Western Electric Company, Inc. | Method for measuring the parameters of optical fibers |
US4273446A (en) * | 1979-06-26 | 1981-06-16 | The United States Of America As Represented By The Secretary Of The Air Force | Light spot position sensor for a wavefront sampling system |
US4280827A (en) * | 1979-09-04 | 1981-07-28 | Corning Glass Works | System for measuring optical waveguide fiber diameter |
FR2647912B1 (en) * | 1989-06-05 | 1991-09-13 | Essilor Int | OPTICAL DEVICE WITH NETWORK FOR CONTROL, IN TRANSMISSION, BY PHASE DETECTION, OF ANY OPTICAL SYSTEM, IN PARTICULAR OF AN OPHTHALMIC LENS |
US5283628A (en) * | 1991-12-31 | 1994-02-01 | Corning Incorporated | Method for measuring diameters of non-circular fibers |
US5309221A (en) * | 1991-12-31 | 1994-05-03 | Corning Incorporated | Measurement of fiber diameters with high precision |
CA2083969A1 (en) * | 1991-12-31 | 1993-07-01 | Leslie James Button | Measurement of fiber diameters and detection of defects |
US5185636A (en) * | 1991-12-31 | 1993-02-09 | Corning Incorporated | Method for detecting defects in fibers |
US5408308A (en) * | 1993-01-29 | 1995-04-18 | Corning Incorporated | Method for monitoring hermetically-coated fibers |
-
1994
- 1994-12-30 US US08/368,311 patent/US5519487A/en not_active Expired - Lifetime
-
1995
- 1995-11-17 CA CA002163161A patent/CA2163161A1/en not_active Abandoned
- 1995-12-06 DK DK95119165T patent/DK0720001T3/en active
- 1995-12-06 EP EP95119165A patent/EP0720001B1/en not_active Expired - Lifetime
- 1995-12-06 DE DE69526321T patent/DE69526321T2/en not_active Expired - Fee Related
- 1995-12-20 AU AU40542/95A patent/AU686910B2/en not_active Ceased
- 1995-12-25 JP JP35001895A patent/JP3677639B2/en not_active Expired - Fee Related
- 1995-12-27 BR BR9506096A patent/BR9506096A/en not_active Application Discontinuation
- 1995-12-28 RU RU95122597/28A patent/RU2152589C1/en active
- 1995-12-28 UA UA95125540A patent/UA32584C2/en unknown
- 1995-12-30 KR KR1019950069650A patent/KR960024248A/en not_active Abandoned
-
1996
- 1996-02-17 TW TW085102112A patent/TW302433B/zh active
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