KR930016767A - 응력으로 유도된 단일모드-광전관의 복굴절에 의한 섬유광학적 힘 측정방법 - Google Patents
응력으로 유도된 단일모드-광전관의 복굴절에 의한 섬유광학적 힘 측정방법 Download PDFInfo
- Publication number
- KR930016767A KR930016767A KR1019930000916A KR930000916A KR930016767A KR 930016767 A KR930016767 A KR 930016767A KR 1019930000916 A KR1019930000916 A KR 1019930000916A KR 930000916 A KR930000916 A KR 930000916A KR 930016767 A KR930016767 A KR 930016767A
- Authority
- KR
- South Korea
- Prior art keywords
- birefringence
- force
- stress
- photoelectric tube
- autocorrelation function
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 9
- 239000000835 fiber Substances 0.000 title claims abstract description 7
- 238000000691 measurement method Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract 13
- 238000005311 autocorrelation function Methods 0.000 claims abstract 8
- 238000005259 measurement Methods 0.000 claims abstract 5
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract 4
- 210000002858 crystal cell Anatomy 0.000 claims abstract 2
- 238000004088 simulation Methods 0.000 claims abstract 2
- 230000002452 interceptive effect Effects 0.000 claims 3
- 230000001678 irradiating effect Effects 0.000 claims 2
- 230000009466 transformation Effects 0.000 claims 2
- 101100224481 Dictyostelium discoideum pole gene Proteins 0.000 claims 1
- 101150110488 POL2 gene Proteins 0.000 claims 1
- 230000001427 coherent effect Effects 0.000 claims 1
- 230000005484 gravity Effects 0.000 claims 1
- 239000013307 optical fiber Substances 0.000 claims 1
- 239000010453 quartz Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 229910052882 wollastonite Inorganic materials 0.000 claims 1
- 239000010456 wollastonite Substances 0.000 claims 1
- 230000002902 bimodal effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
- G01L1/243—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using means for applying force perpendicular to the fibre axis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/268—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/241—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet by photoelastic stress analysis
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Liquid Crystal (AREA)
- Optical Transform (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Inorganic Fibers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Description
Claims (5)
- 표면상에 잔류응력이 분배된 원판(3a,3b)사이에 있는 잔류 응력에 수직된 평면내에 단일모드-광전관(4)가 적어도 그 길이의 일부범위(4′)에 걸쳐 매설되며, 정확한 측정결과를 얻기 위하여, 즉 절대측정을 위하여 편광되어 간섭성이 없는 광선을 광전관(4)의 일단부에 조사하여 광전관(4)에 미치는 힘의 영향과 이에 기인한 복굴절 변환에 의해 발생되는 광전관(4)의 타단부에서 나오는 광파의 2개의 선형모드의 위상차를 보정하며, 보정에 필요한 제어신호를 힘에 대한 척도로서 이용하는 응력으로 유도된 단일모드- 광전관(4)의 복굴절에 의한 섬유광학적 힘 측정방법에 있어서, 보정기 요소로서 제어신호에 의해 그 복굴절이 연속적으로 변동되는 액정전기(11)을 설치하는 단계; 제어신호에 의거한 액정전지(11)에 대한 자기상관함수의 모사로서 나타나는 강도변화를 광전기적으로 광다이오드(12)에 의해 파악하는 단계; 및 자기상관함수의 최대치에 대해 자동적으로 선정신호를 재검사하는 단계를 포함하는 것을 특징으로 하는 응력으로 유도된 단일모드-정전관(4)의 복굴절에 의한 섬유광학적 힘 측정 방법.
- 제1항에 있어서, 자기상관함수의 최대치는 제어신호에 속한 응력치를 확정하기 위한 제어과정에 의해 확인되는 것을 특징으로 하는 측정방법.
- 제1항에 있어서, 간섭성 파장내에 있는 다수의 강도치는 무게중심 결정을 위한 알고리즘에 의해 지정되는 것을 특징으로 하는 측정방법.
- 표면상에 잔류응력이 분배된 원판(3a,3b)사이에 있는 잔류응력에 수직한 평면내에 단일모드-광전관(4)가 적어도 그 길이의 일부범위(4′)에 걸쳐 매설되며, 정확한 측정결과를 얻기 위하여, 즉 절대측정을 위하여 편관되어 간섭성이 없는 광선을 광전관(4)의 일단부에 조사하여 광전관(4)에 미치는 힘의 영향과 이에 기인한 복굴절 변환에 의해 발생되는 광전관(4)의 타단부에서 나오는 광파의 2개의 선형모드의 위상차를 파악하는 응력으로 유도된 단일모드-광전관(4)의 복굴절에 의한 섬유광학적 힘 측정방법에 있어서, 선형 모드로 나오는 2개의 광파의 정면부를 위치에 따라 달라지는 선형 복굴절을 하는 광학 구성요소(15)를 통해 전파방향을 가로질러 인도하는 단계; 편광자(POL2)를 통과한 후 상기 광학 구성요소(15)의 광출력면상에 모사되는 자기상관함수를 주사 탐지기(16)에 의해 파악하고 자기상관함수의 최대치를 결정하기 위해 계산과정에서 상기 주사 탐지기(16)의 일련의 선정신호를 사용하는 단계를 포함하는 것을 특징으로 하는 응력으로 유도된 단일모드- 광전관의 복굴절에 의한 섬유광학적 힘 측정방법.
- 제4항에 있어서, 위치에 따라 달라지는 복굴절을 하는 광학 구성요소로서 규회석 프리즘, 로콘 프리즘, 석영 쐐기 또는 경사지게 세워진 반사면을 구비한 마이켈슨- 간섭계가 사용되는 것을 특징으로 하는 측정방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4202185.5 | 1992-01-28 | ||
DE4202185A DE4202185A1 (de) | 1992-01-28 | 1992-01-28 | Verfahren zur faseroptischen kraftmessung |
USP4202185.5 | 1992-01-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930016767A true KR930016767A (ko) | 1993-08-30 |
KR100280160B1 KR100280160B1 (ko) | 2001-11-22 |
Family
ID=6450348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930000916A KR100280160B1 (ko) | 1992-01-28 | 1993-01-26 | 광섬유를사용하는힘측정방법 |
Country Status (8)
Country | Link |
---|---|
US (1) | US5317147A (ko) |
EP (1) | EP0554211B1 (ko) |
JP (1) | JP3220544B2 (ko) |
KR (1) | KR100280160B1 (ko) |
AT (1) | ATE115722T1 (ko) |
CA (1) | CA2088095A1 (ko) |
DE (2) | DE4202185A1 (ko) |
ES (1) | ES2066628T3 (ko) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06307953A (ja) * | 1993-04-27 | 1994-11-04 | Hitachi Ltd | 物理量検出装置 |
US5831263A (en) * | 1994-04-26 | 1998-11-03 | Hitachi, Ltd. | In-cylinder pressure sensing apparatus for multi-cylinder engine |
US5517022A (en) * | 1994-05-03 | 1996-05-14 | Universite Du Quebec A Hull | Apparatus for measuring an ambient isotropic parameter applied to a highly birefringent sensing fiber using interference pattern detection |
US5694205A (en) * | 1995-10-19 | 1997-12-02 | Alliedsignal Inc. | Birefringent-biased sensor having temperature compensation |
US5952647A (en) * | 1996-03-20 | 1999-09-14 | Seb S.A. | Force measuring apparatus with optical sensor enabling limitation of eccentricity defects in particular for bathroom scales and method of manufacturing apparatus of this kind |
FR2751409A1 (fr) * | 1996-07-19 | 1998-01-23 | Univ Metz | Capteur thermo-optique de temperature utilisant le modulation electrique d'un signal optique |
US7133134B2 (en) * | 2002-08-21 | 2006-11-07 | The Board Of Trustees Of The Leland Stanford Junior University | Method of measuring a physical function using a symmetric composite function |
US6856393B2 (en) * | 2002-08-21 | 2005-02-15 | The Board Of Trustees Of The Leland Stanford University | Method of measuring a physical function using a composite function which includes the physical function and an arbitrary reference function |
US7259868B2 (en) * | 2003-11-25 | 2007-08-21 | The Board Of Trustees Of The Leland Stanford Junior University | Method for determining the optical nonlinearity profile of a material |
US7440087B2 (en) * | 2004-02-24 | 2008-10-21 | Luna Innovations Incorporated | Identifying optical fiber segments and determining characteristics of an optical device under test based on fiber segment scatter pattern data |
US7781724B2 (en) * | 2004-07-16 | 2010-08-24 | Luna Innovations Incorporated | Fiber optic position and shape sensing device and method relating thereto |
US7772541B2 (en) * | 2004-07-16 | 2010-08-10 | Luna Innnovations Incorporated | Fiber optic position and/or shape sensing based on rayleigh scatter |
EP1869511B1 (en) * | 2005-03-10 | 2012-08-01 | Luna Innovations, Inc. | Calculation of birefringence in a waveguide based on rayleigh scatter |
WO2007149230A2 (en) * | 2006-06-16 | 2007-12-27 | Luna Innovations Incorporated | Distributed strain and temperature discrimination in polarization maintaining fiber |
US7688430B2 (en) * | 2007-12-10 | 2010-03-30 | At&T Intellectual Property I, L.P. | Method and apparatus for measuring the birefringence autocorrelation length in optical fibers |
EP2202732A1 (en) * | 2008-12-23 | 2010-06-30 | Thomson Licensing | Apparatus and method for reading and apparatus for reading and writing holograms |
JP5369734B2 (ja) * | 2009-02-10 | 2013-12-18 | 三菱電機株式会社 | 方位探知装置及び方位探知方法 |
US8215177B2 (en) * | 2009-11-16 | 2012-07-10 | Freescale Semiconductor, Inc. | Apparatus and methods for applying stress-induced offset compensation in sensor devices |
EP2904380A4 (en) | 2012-10-25 | 2016-06-08 | Univ Colorado State Res Found | IMPROVED OPTICAL MULTI-ANALYTIC SENSOR |
CN113138045B (zh) * | 2021-04-28 | 2022-08-02 | 东北大学 | 一种微纳光纤阵列应力定位分析系统 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2845625A1 (de) * | 1978-10-19 | 1980-04-30 | Siemens Ag | Anordnung zur elektrooptischen spannungsmessung |
US4269511A (en) * | 1979-02-15 | 1981-05-26 | Abbott Laboratories | Apparatus and method for measuring the magnitude of polarization of light |
US4516021A (en) * | 1982-08-09 | 1985-05-07 | Taylor Henry F | Fiber optic magnetic field sensor |
CH661985A5 (de) * | 1984-01-24 | 1987-08-31 | Mettler Instrumente Ag | Verfahren zur kraftmessung mit hilfe der spannungsinduzierten doppelbrechung in einem monomode-lichtleiter und messanordnung zur durchfuehrung des verfahrens. |
DE3611119C1 (de) * | 1986-04-03 | 1987-07-02 | Fraunhofer Ges Forschung | Sensoranordnung |
JP2571385B2 (ja) * | 1987-05-31 | 1997-01-16 | 浜松ホトニクス株式会社 | 電圧検出装置 |
FR2656095B1 (fr) * | 1989-12-19 | 1994-12-23 | Thomson Csf | Capteur a fibre optique. |
-
1992
- 1992-01-28 DE DE4202185A patent/DE4202185A1/de not_active Withdrawn
-
1993
- 1993-01-18 ES ES93810021T patent/ES2066628T3/es not_active Expired - Lifetime
- 1993-01-18 AT AT93810021T patent/ATE115722T1/de not_active IP Right Cessation
- 1993-01-18 EP EP93810021A patent/EP0554211B1/de not_active Expired - Lifetime
- 1993-01-18 DE DE59300038T patent/DE59300038D1/de not_active Expired - Fee Related
- 1993-01-26 CA CA002088095A patent/CA2088095A1/en not_active Abandoned
- 1993-01-26 KR KR1019930000916A patent/KR100280160B1/ko not_active IP Right Cessation
- 1993-01-26 US US08/008,927 patent/US5317147A/en not_active Expired - Fee Related
- 1993-01-28 JP JP01271493A patent/JP3220544B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0611399A (ja) | 1994-01-21 |
EP0554211B1 (de) | 1994-12-14 |
EP0554211A3 (en) | 1993-09-15 |
CA2088095A1 (en) | 1993-07-29 |
ES2066628T3 (es) | 1995-03-01 |
US5317147A (en) | 1994-05-31 |
KR100280160B1 (ko) | 2001-11-22 |
EP0554211A2 (de) | 1993-08-04 |
ATE115722T1 (de) | 1994-12-15 |
DE4202185A1 (de) | 1993-07-29 |
DE59300038D1 (de) | 1995-01-26 |
JP3220544B2 (ja) | 2001-10-22 |
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