CA2004414A1 - Methode de detection par fibres optiques - Google Patents
Methode de detection par fibres optiquesInfo
- Publication number
- CA2004414A1 CA2004414A1 CA2004414A CA2004414A CA2004414A1 CA 2004414 A1 CA2004414 A1 CA 2004414A1 CA 2004414 A CA2004414 A CA 2004414A CA 2004414 A CA2004414 A CA 2004414A CA 2004414 A1 CA2004414 A1 CA 2004414A1
- Authority
- CA
- Canada
- Prior art keywords
- light wave
- optical fibers
- sensing system
- light
- optical fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000013307 optical fiber Substances 0.000 title abstract 6
- 238000005259 measurement Methods 0.000 abstract 2
- 238000000253 optical time-domain reflectometry Methods 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
Classifications
-
- 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
- G01D5/32—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 with attenuation or whole or partial obturation of beams of light
- G01D5/34—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35338—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
- G01D5/35341—Sensor working in transmission
- G01D5/35351—Sensor working in transmission using other means to detect the measured quantity
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Lasers (AREA)
- Radiation Pyrometers (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63-305037 | 1988-12-01 | ||
JP63305037A JP2635732B2 (ja) | 1988-12-01 | 1988-12-01 | 光ファイバセンシング方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2004414A1 true CA2004414A1 (fr) | 1990-06-01 |
CA2004414C CA2004414C (fr) | 1999-05-18 |
Family
ID=17940342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002004414A Expired - Fee Related CA2004414C (fr) | 1988-12-01 | 1989-12-01 | Methode de detection par fibres optiques |
Country Status (5)
Country | Link |
---|---|
US (1) | US5000540A (fr) |
EP (1) | EP0371816B1 (fr) |
JP (1) | JP2635732B2 (fr) |
CA (1) | CA2004414C (fr) |
DE (1) | DE68907570T2 (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2683053B1 (fr) * | 1991-10-29 | 1994-10-07 | Thomson Csf | Fibre optique et procede de fabrication. |
EP0553675A1 (fr) * | 1992-01-29 | 1993-08-04 | Siemens Aktiengesellschaft | Procédé et dispositif pour contrôler la température d'une partie constitutive d'une turbine |
USH1426H (en) * | 1992-10-28 | 1995-04-04 | The United States Of America As Represented By The United States Department Of Energy | Apparatus and method for determining the optical power passing through an optical fiber |
US5446280A (en) * | 1993-08-31 | 1995-08-29 | Center For Innovative Technology | Split-spectrum self-referenced fiber optic sensor |
US5589933A (en) * | 1994-10-24 | 1996-12-31 | Photon Kinetics, Inc. | Optical fiber test instrument with mechanically positioned attenuator |
US5543913A (en) * | 1994-11-21 | 1996-08-06 | Eastman Kodak Company | Device for measuring the spatial characteristics of a light source |
US5567933A (en) * | 1995-02-14 | 1996-10-22 | Mason & Hanger National, Inc. | Optical fiber detection system with disturbance and positive cut-loop detection capabilities |
US5814565A (en) * | 1995-02-23 | 1998-09-29 | University Of Utah Research Foundation | Integrated optic waveguide immunosensor |
US6222619B1 (en) | 1997-09-18 | 2001-04-24 | University Of Utah Research Foundation | Diagnostic device and method |
JP2010048952A (ja) * | 2008-08-20 | 2010-03-04 | Toshiba Corp | 量子計算機および量子計算方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2816682A1 (de) * | 1978-04-18 | 1979-12-20 | Max Planck Gesellschaft | Anordnung zur erfassung des einflusses physikalischer groessen auf die laenge eines weges |
JPS5872027A (ja) * | 1981-10-26 | 1983-04-28 | Nippon Telegr & Teleph Corp <Ntt> | 光フアイバ損失波長特性測定装置 |
US4778238A (en) * | 1985-08-01 | 1988-10-18 | Hicks John W | Optical communications systems and process for signal amplification using stimulated brillouin scattering (SBS) and laser utilized in the system |
US4790619A (en) * | 1986-04-25 | 1988-12-13 | American Telephone And Telegraph Company, At&T Bell Laboratories | Apparatus comprising Raman-active optical fiber |
GB8622745D0 (en) * | 1986-09-22 | 1986-10-29 | Plessey Co Plc | Bistable optical device |
JPS63204117A (ja) * | 1987-02-20 | 1988-08-23 | Nippon Telegr & Teleph Corp <Ntt> | 分布型光フアイバセンサ |
US4834497A (en) * | 1987-02-27 | 1989-05-30 | The United States Of American As Represented By The United States Department Of Energy | Fiber optic fluid detector |
US4893894A (en) * | 1988-04-29 | 1990-01-16 | Mine Safety Appliances Company | Evanescent sensor |
-
1988
- 1988-12-01 JP JP63305037A patent/JP2635732B2/ja not_active Expired - Fee Related
-
1989
- 1989-11-30 EP EP89312512A patent/EP0371816B1/fr not_active Expired - Lifetime
- 1989-11-30 DE DE89312512T patent/DE68907570T2/de not_active Expired - Fee Related
- 1989-12-01 US US07/443,943 patent/US5000540A/en not_active Expired - Lifetime
- 1989-12-01 CA CA002004414A patent/CA2004414C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0371816A2 (fr) | 1990-06-06 |
JP2635732B2 (ja) | 1997-07-30 |
EP0371816A3 (en) | 1990-11-28 |
EP0371816B1 (fr) | 1993-07-14 |
DE68907570D1 (de) | 1993-08-19 |
DE68907570T2 (de) | 1994-02-03 |
JPH02150722A (ja) | 1990-06-11 |
US5000540A (en) | 1991-03-19 |
CA2004414C (fr) | 1999-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |