IN167564B - - Google Patents
Info
- Publication number
- IN167564B IN167564B IN645/CAL/87A IN645CA1987A IN167564B IN 167564 B IN167564 B IN 167564B IN 645CA1987 A IN645CA1987 A IN 645CA1987A IN 167564 B IN167564 B IN 167564B
- Authority
- IN
- India
Links
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
- 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
- G01L1/245—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 using microbending
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US92496286A | 1986-10-30 | 1986-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN167564B true IN167564B (en) | 1990-11-17 |
Family
ID=25450986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN645/CAL/87A IN167564B (en) | 1986-10-30 | 1987-08-17 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS63117205A (en) |
| CN (1) | CN1016100B (en) |
| AU (1) | AU598858B2 (en) |
| CA (1) | CA1299389C (en) |
| GB (1) | GB2196735B (en) |
| IN (1) | IN167564B (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2650670A1 (en) * | 1989-08-02 | 1991-02-08 | Fiori Costantino | System for detecting a fire or any other phenomenon generating an abnormal rise or fall in temperature with respect to a fixed reference |
| US5039218A (en) * | 1990-03-28 | 1991-08-13 | Hughes Aircraft Company | Testing of optical fiber by introducing multiple simulated peel location bends |
| GB2250813A (en) * | 1990-12-15 | 1992-06-17 | British Aerospace | Weighing apparatus for vehicles |
| DE69507635T2 (en) * | 1994-11-29 | 1999-06-17 | United Technologies Corp., Hartford, Conn. | PROTECTIVE LAYER REMOVAL DETECTION FOR OPTICAL FIBERS WITH BRAGG GRID |
| CN1910436B (en) | 2004-01-23 | 2010-05-26 | Lm玻璃纤维有限公司 | Device comprising a temperature compensation system for strain measurement in a fibre-reinforced structure |
| CN1300571C (en) * | 2004-08-24 | 2007-02-14 | 西安科技大学 | Snake type fiber-optical sensor burying and detecting method and its snake type fibre-optical sensor |
| CN101881633B (en) | 2010-04-06 | 2012-11-28 | 西安金和光学科技有限公司 | Spring type high-precision optical fiber sensor based on optical fiber bending loss |
| CN102221374B (en) * | 2010-04-19 | 2015-07-15 | 西安金和光学科技有限公司 | Fiber sensing device for sensing torque parameters |
| CN102829901A (en) * | 2011-06-14 | 2012-12-19 | 西安金和光学科技有限公司 | Optical fiber sensing device waveform grooves and cylinder body |
| WO2012010099A1 (en) * | 2010-07-21 | 2012-01-26 | 西安金和光学科技有限公司 | Optic fiber cylinder sensor |
| EP2962080B1 (en) * | 2013-02-28 | 2021-05-19 | Osmos Group | Optical measurement device having a reference channel and a measurement channel, and related method |
| CN103604540B (en) * | 2013-11-13 | 2015-06-10 | 中铁四局集团第一工程有限公司 | Photoelectric stressometer |
| CN104359653B (en) * | 2014-10-23 | 2015-08-12 | 河海大学 | A kind of optical fiber single-direction and dual-direction bending curvature binary channels tracking and monitoring instrument and monitoring method |
| CN105606276B (en) * | 2015-12-24 | 2018-06-12 | 中北大学 | MEMS optical fiber micro-bending pressure sensors and preparation method thereof |
| CN106441661A (en) * | 2016-12-02 | 2017-02-22 | 西南交通大学 | Fiber grating force-measuring gasket and anchor rod force-measuring system |
| EP3578937A1 (en) * | 2017-02-02 | 2019-12-11 | Fujikura Ltd. | Photodetector and method for manufacturing photodetector |
| CN109620186A (en) * | 2019-01-30 | 2019-04-16 | 福州新易达光电科技有限公司 | A kind of optical fiber micro-bending sensor for monitoring human vital sign parameter |
| GB2586974B (en) * | 2019-09-06 | 2022-12-28 | Nuron Ltd | System for producing strain in a fibre |
| CN111707206B (en) * | 2020-06-04 | 2022-03-18 | 哈尔滨工程大学 | A quantum dot optical fiber microbend sensor with position detection function |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0027540A3 (en) * | 1979-09-11 | 1981-10-07 | Hydroacoustics Inc. | Optical sensor and transducer array system |
| US4436995A (en) * | 1981-06-29 | 1984-03-13 | General Electric Company | Fiber optics transducers for sensing parameter magnitude |
| GB2125161A (en) * | 1982-07-21 | 1984-02-29 | Gen Electric Co Plc | Optical fibre sensors |
| JPS5946805A (en) * | 1982-09-11 | 1984-03-16 | Diesel Kiki Co Ltd | Displacement detector |
| IN165010B (en) * | 1986-02-03 | 1989-07-29 | Babcock & Wilcox Co | |
| AU579041B2 (en) * | 1986-05-09 | 1988-11-10 | Thomas & Betts Corporation | Method of and apparatus for fiber optic sensing |
| GB8704540D0 (en) * | 1987-02-26 | 1987-04-01 | Bicc Plc | Optical sensors |
-
1987
- 1987-08-17 CA CA000544687A patent/CA1299389C/en not_active Expired - Fee Related
- 1987-08-17 IN IN645/CAL/87A patent/IN167564B/en unknown
- 1987-08-17 GB GB8719390A patent/GB2196735B/en not_active Expired - Fee Related
- 1987-09-23 AU AU78894/87A patent/AU598858B2/en not_active Ceased
- 1987-10-29 JP JP27198387A patent/JPS63117205A/en active Pending
- 1987-10-29 CN CN 87107210 patent/CN1016100B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1299389C (en) | 1992-04-28 |
| GB2196735A (en) | 1988-05-05 |
| JPS63117205A (en) | 1988-05-21 |
| AU598858B2 (en) | 1990-07-05 |
| GB2196735B (en) | 1991-01-23 |
| GB8719390D0 (en) | 1987-09-23 |
| AU7889487A (en) | 1988-05-05 |
| CN1016100B (en) | 1992-04-01 |
| CN87107210A (en) | 1988-08-03 |