GB2201256B - Devices for controlling the frequency of an optical signal output from an optical signal source - Google Patents
Devices for controlling the frequency of an optical signal output from an optical signal sourceInfo
- Publication number
- GB2201256B GB2201256B GB8729959A GB8729959A GB2201256B GB 2201256 B GB2201256 B GB 2201256B GB 8729959 A GB8729959 A GB 8729959A GB 8729959 A GB8729959 A GB 8729959A GB 2201256 B GB2201256 B GB 2201256B
- Authority
- GB
- United Kingdom
- Prior art keywords
- optical signal
- frequency
- controlling
- devices
- signal output
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference
- G02F1/225—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference in an optical waveguide structure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/58—Turn-sensitive devices without moving masses
- G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
- G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
- G01C19/721—Details
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Gyroscopes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1742587A | 1987-02-20 | 1987-02-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8729959D0 GB8729959D0 (en) | 1988-02-03 |
GB2201256A GB2201256A (en) | 1988-08-24 |
GB2201256B true GB2201256B (en) | 1990-11-14 |
Family
ID=21782517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8729959A Expired - Fee Related GB2201256B (en) | 1987-02-20 | 1987-12-23 | Devices for controlling the frequency of an optical signal output from an optical signal source |
Country Status (2)
Country | Link |
---|---|
CA (1) | CA1274010A (en) |
GB (1) | GB2201256B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2216652B (en) * | 1988-03-09 | 1992-09-02 | British Aerospace | Apparatus and method for determining the wavelength of optical radiation and optical apparatus employing said apparatus and method |
US5046848A (en) * | 1989-09-08 | 1991-09-10 | Mcdonnell Douglas Corporation | Fiber optic detection system using a Sagnac interferometer |
DE59008904D1 (en) * | 1990-06-07 | 1995-05-18 | Litef Gmbh | Integrated optical device for interferometric measurement of light waves. |
US5404222A (en) * | 1994-01-14 | 1995-04-04 | Sparta, Inc. | Interferametric measuring system with air turbulence compensation |
US5991033A (en) * | 1996-09-20 | 1999-11-23 | Sparta, Inc. | Interferometer with air turbulence compensation |
EP1631856B1 (en) * | 2003-05-09 | 2017-11-22 | Finisar Corporation | Optical devices with cascaded liquid crystal elements |
US11320267B2 (en) | 2017-03-23 | 2022-05-03 | Kvh Industries, Inc. | Integrated optic wavemeter and method for fiber optic gyroscopes scale factor stabilization |
US11092748B2 (en) | 2017-09-15 | 2021-08-17 | Kvh Industries, Inc. | Method and apparatus for self-alignment connection of optical fiber to waveguide of photonic integrated circuit |
WO2020077216A1 (en) | 2018-10-11 | 2020-04-16 | Kvh Industries, Inc. | Photonic integrated circuits, fiber optic gyroscopes and methods for making the same |
US11353655B2 (en) | 2019-05-22 | 2022-06-07 | Kvh Industries, Inc. | Integrated optical polarizer and method of making same |
US10921682B1 (en) | 2019-08-16 | 2021-02-16 | Kvh Industries, Inc. | Integrated optical phase modulator and method of making same |
-
1987
- 1987-12-23 GB GB8729959A patent/GB2201256B/en not_active Expired - Fee Related
- 1987-12-30 CA CA000555580A patent/CA1274010A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2201256A (en) | 1988-08-24 |
GB8729959D0 (en) | 1988-02-03 |
CA1274010A (en) | 1990-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19951223 |