GB2313249B - Passive acousto-optic modulator - Google Patents
Passive acousto-optic modulatorInfo
- Publication number
- GB2313249B GB2313249B GB9718098A GB9718098A GB2313249B GB 2313249 B GB2313249 B GB 2313249B GB 9718098 A GB9718098 A GB 9718098A GB 9718098 A GB9718098 A GB 9718098A GB 2313249 B GB2313249 B GB 2313249B
- Authority
- GB
- United Kingdom
- Prior art keywords
- optic modulator
- passive acousto
- acousto
- passive
- modulator
- 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.)
- Revoked
Links
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
- G01H9/006—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors the vibrations causing a variation in the relative position of the end of a fibre and another element
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/008—Transducers other than those covered by groups H04R9/00 - H04R21/00 using optical signals for detecting or generating sound
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/02—Transducers using more than one principle simultaneously
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9718098A GB2313249B (en) | 1995-03-03 | 1996-02-29 | Passive acousto-optic modulator |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9504298.2A GB9504298D0 (en) | 1995-03-03 | 1995-03-03 | Passive acousto-optic modulator |
GB9718098A GB2313249B (en) | 1995-03-03 | 1996-02-29 | Passive acousto-optic modulator |
PCT/GB1996/000450 WO1996028001A1 (en) | 1995-03-03 | 1996-02-29 | Passive acousto-optic modulator |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9718098D0 GB9718098D0 (en) | 1997-10-29 |
GB2313249A GB2313249A (en) | 1997-11-19 |
GB2313249B true GB2313249B (en) | 1999-01-20 |
Family
ID=26306614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9718098A Revoked GB2313249B (en) | 1995-03-03 | 1996-02-29 | Passive acousto-optic modulator |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2313249B (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4283114A (en) * | 1980-04-11 | 1981-08-11 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optic light valve |
US4345482A (en) * | 1978-11-16 | 1982-08-24 | Asea Aktiebolag | Fiber optical devices for measuring physical phenomenon |
FR2508754A1 (en) * | 1981-06-25 | 1982-12-31 | Comp Generale Electricite | Passive fibre=optic hydrophone utilising interferometer - comprises two paths in transparent plate of refractive index varied by electric field |
US4373781A (en) * | 1979-02-12 | 1983-02-15 | Gte Laboratories Incorporated | Acoustic to optical pulse code modulating transducer |
US4942767A (en) * | 1986-11-19 | 1990-07-24 | Massachusetts Institute Of Technology | Pressure transducer apparatus |
US5247490A (en) * | 1992-06-04 | 1993-09-21 | Martin Marietta Corporation | Pressure-compensated optical acoustic sensor |
-
1996
- 1996-02-29 GB GB9718098A patent/GB2313249B/en not_active Revoked
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4345482A (en) * | 1978-11-16 | 1982-08-24 | Asea Aktiebolag | Fiber optical devices for measuring physical phenomenon |
US4373781A (en) * | 1979-02-12 | 1983-02-15 | Gte Laboratories Incorporated | Acoustic to optical pulse code modulating transducer |
US4283114A (en) * | 1980-04-11 | 1981-08-11 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optic light valve |
FR2508754A1 (en) * | 1981-06-25 | 1982-12-31 | Comp Generale Electricite | Passive fibre=optic hydrophone utilising interferometer - comprises two paths in transparent plate of refractive index varied by electric field |
US4942767A (en) * | 1986-11-19 | 1990-07-24 | Massachusetts Institute Of Technology | Pressure transducer apparatus |
US5247490A (en) * | 1992-06-04 | 1993-09-21 | Martin Marietta Corporation | Pressure-compensated optical acoustic sensor |
Also Published As
Publication number | Publication date |
---|---|
GB9718098D0 (en) | 1997-10-29 |
GB2313249A (en) | 1997-11-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
773K | Patent revoked under sect. 73(2)/1977 |