GB2145514B - Optical detecting and/or measuring systems - Google Patents
Optical detecting and/or measuring systemsInfo
- Publication number
- GB2145514B GB2145514B GB08416306A GB8416306A GB2145514B GB 2145514 B GB2145514 B GB 2145514B GB 08416306 A GB08416306 A GB 08416306A GB 8416306 A GB8416306 A GB 8416306A GB 2145514 B GB2145514 B GB 2145514B
- Authority
- GB
- United Kingdom
- Prior art keywords
- measuring systems
- optical detecting
- detecting
- optical
- measuring
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
-
- 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
- G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
- G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
- G01R15/248—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using a constant light source and electro-mechanically driven deflectors
-
- 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
- G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
- G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
- G01J2009/0226—Fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Optical Transform (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08322715A GB2147758B (en) | 1983-08-24 | 1983-08-24 | Optical detecting and/or measuring |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8416306D0 GB8416306D0 (en) | 1984-08-01 |
GB2145514A GB2145514A (en) | 1985-03-27 |
GB2145514B true GB2145514B (en) | 1986-12-17 |
Family
ID=10547769
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08322715A Expired GB2147758B (en) | 1983-08-24 | 1983-08-24 | Optical detecting and/or measuring |
GB08416306A Expired GB2145514B (en) | 1983-08-24 | 1984-06-27 | Optical detecting and/or measuring systems |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08322715A Expired GB2147758B (en) | 1983-08-24 | 1983-08-24 | Optical detecting and/or measuring |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2147758B (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2166020B (en) * | 1984-09-29 | 1988-05-18 | Plessey Co Plc | Otdr-uses multiple frequencies to detect distortions in an optical fibre |
GB2182223A (en) * | 1985-10-23 | 1987-05-07 | Stc Plc | Optical fibre reflectometer |
US4717253A (en) * | 1985-11-22 | 1988-01-05 | Massachusetts Institute Of Technology | Optical strain gauge |
GB2189880B (en) * | 1986-04-30 | 1989-12-28 | Plessey Co Plc | Optical sensor system |
GB2192984B (en) * | 1986-07-25 | 1990-07-18 | Plessey Co Plc | Optical sensing arrangements |
US4725728A (en) * | 1986-08-13 | 1988-02-16 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optical time delay resonant oscillating strain gauge |
US4974961A (en) * | 1986-09-12 | 1990-12-04 | Jackson David A | Optical fibre measuring system |
GB2199135B (en) * | 1986-12-10 | 1990-11-07 | Plessey Co Plc | Improvements relating to optical sensing arrangements |
GB2202046A (en) * | 1987-03-11 | 1988-09-14 | Plessey Co Plc | Optical fibre sensor arrangement |
GB2242267A (en) * | 1989-02-10 | 1991-09-25 | Plessey Co Plc | Sonar detector |
US5485296A (en) * | 1989-07-29 | 1996-01-16 | British Telecommunications Public Limited Company | Monitor unit for monitoring an optical waveguide |
GB8917488D0 (en) * | 1989-07-31 | 1989-09-13 | British Telecomm | A monitor unit for monitoring an optical waveguide |
GB9026587D0 (en) * | 1990-12-06 | 1991-04-24 | Marconi Gec Ltd | Improvements relating to optical fibre coil assemblies |
GB0113766D0 (en) * | 2001-05-31 | 2003-02-26 | Bae Systems Plc | Improvements relating to optical delay lines |
AU2015200314B2 (en) * | 2009-05-27 | 2017-02-02 | Silixa Limited | Method and apparatus for optical sensing |
GB2516779B (en) | 2009-05-27 | 2015-04-01 | Silixa Ltd | Optical sensor |
AU2010359357B2 (en) | 2010-08-19 | 2014-02-27 | Halliburton Energy Services, Inc. | Optical pressure sensor |
CN102564642B (en) * | 2012-02-21 | 2013-08-07 | 中国计量学院 | Fully-distributed optical fiber sensor for optical fiber Raman frequency shifter fused with Raman amplification effect |
CN107045207A (en) * | 2017-06-07 | 2017-08-15 | 中国科学院半导体研究所 | Train of pulse produces the structure controlled with time domain pattern |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2460582A1 (en) * | 1979-06-29 | 1981-01-23 | Thomson Csf | OPTICAL FIBER HYDROPHONE MONOMODE OPERATING BY ELASTOOPTIC EFFECT |
JPS58182524A (en) * | 1982-04-20 | 1983-10-25 | Sumitomo Electric Ind Ltd | System for detecting change in light frequency |
-
1983
- 1983-08-24 GB GB08322715A patent/GB2147758B/en not_active Expired
-
1984
- 1984-06-27 GB GB08416306A patent/GB2145514B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB8416306D0 (en) | 1984-08-01 |
GB2145514A (en) | 1985-03-27 |
GB2147758B (en) | 1987-08-05 |
GB2147758A (en) | 1985-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930627 |