CA1168337A - Ring laser gyroscope with doppler mirrors and offset actuators - Google Patents
Ring laser gyroscope with doppler mirrors and offset actuatorsInfo
- Publication number
- CA1168337A CA1168337A CA000397770A CA397770A CA1168337A CA 1168337 A CA1168337 A CA 1168337A CA 000397770 A CA000397770 A CA 000397770A CA 397770 A CA397770 A CA 397770A CA 1168337 A CA1168337 A CA 1168337A
- Authority
- CA
- Canada
- Prior art keywords
- mirrors
- mirror
- lambda
- path
- ring laser
- 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
- 230000005855 radiation Effects 0.000 claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims abstract description 3
- 230000003287 optical effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000006870 function Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000035559 beat frequency Effects 0.000 description 2
- 210000002320 radius Anatomy 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000006095 Cer-Vit Substances 0.000 description 1
- 241000905957 Channa melasoma Species 0.000 description 1
- 101710200331 Cytochrome b-245 chaperone 1 Proteins 0.000 description 1
- 102100037186 Cytochrome b-245 chaperone 1 Human genes 0.000 description 1
- 101710119396 Cytochrome b-245 chaperone 1 homolog Proteins 0.000 description 1
- 241001505295 Eros Species 0.000 description 1
- ULGZDMOVFRHVEP-RWJQBGPGSA-N Erythromycin Chemical compound O([C@@H]1[C@@H](C)C(=O)O[C@@H]([C@@]([C@H](O)[C@@H](C)C(=O)[C@H](C)C[C@@](C)(O)[C@H](O[C@H]2[C@@H]([C@H](C[C@@H](C)O2)N(C)C)O)[C@H]1C)(C)O)CC)[C@H]1C[C@@](C)(OC)[C@@H](O)[C@H](C)O1 ULGZDMOVFRHVEP-RWJQBGPGSA-N 0.000 description 1
- 239000006094 Zerodur Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000002789 length control Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
- H01S3/083—Ring lasers
-
- 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
- G01C19/66—Ring laser gyrometers
- G01C19/68—Lock-in prevention
- G01C19/70—Lock-in prevention by mechanical means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Plasma & Fusion (AREA)
- Gyroscopes (AREA)
- Lasers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/271,734 US4410274A (en) | 1981-06-08 | 1981-06-08 | Ring laser gyroscope with doppler mirrors and offset actuators |
| US271,734 | 1981-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1168337A true CA1168337A (en) | 1984-05-29 |
Family
ID=23036845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000397770A Expired CA1168337A (en) | 1981-06-08 | 1982-03-08 | Ring laser gyroscope with doppler mirrors and offset actuators |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4410274A (en, 2012) |
| JP (1) | JPS5866383A (en, 2012) |
| AU (1) | AU548093B2 (en, 2012) |
| CA (1) | CA1168337A (en, 2012) |
| DE (1) | DE3217695A1 (en, 2012) |
| FR (1) | FR2507313A1 (en, 2012) |
| GB (1) | GB2101802B (en, 2012) |
| IT (1) | IT1151272B (en, 2012) |
| NO (1) | NO158316C (en, 2012) |
| SE (1) | SE451762B (en, 2012) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4653919A (en) * | 1982-02-08 | 1987-03-31 | Sundstrand Optical Technologies, Inc. | Laser gyro with dithered mirrors and current dither |
| US5333046A (en) * | 1982-08-27 | 1994-07-26 | Raytheon Company | Diagonal pathlength control |
| US5412475A (en) * | 1982-08-27 | 1995-05-02 | Raytheon Company | Diagonal pathlength control |
| DE3366240D1 (en) * | 1983-06-09 | 1986-10-23 | Honeywell Gmbh | Ring laser gyro |
| US5357338A (en) * | 1983-07-11 | 1994-10-18 | Litton Systems, Inc. | Path length controller with offset bias for a ring laser gyro |
| US4686683A (en) * | 1984-01-09 | 1987-08-11 | Litton Systems, Inc. | Laser angular rate sensor with dithered mirrors |
| WO1985003568A1 (en) * | 1984-02-08 | 1985-08-15 | Sundstrand Optical Technologies, Inc. | Ring laser gyro tilt mirror dither |
| AU3939885A (en) * | 1984-02-08 | 1985-08-27 | Sundstrand Optical Technologies Inc. | Ring laser gyro with randomized mirror dither |
| DE3412015C2 (de) * | 1984-03-31 | 1986-12-11 | Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln | Ringlaser |
| US4817112A (en) * | 1985-05-10 | 1989-03-28 | Honeywell Inc. | Low cost ring laser angular rate sensor |
| US4824253A (en) * | 1987-04-08 | 1989-04-25 | Litton Systems, Inc. | Glass driver for laser mirror |
| US4851368A (en) * | 1987-12-04 | 1989-07-25 | Cornell Research Foundation, Inc. | Method of making travelling wave semi-conductor laser |
| DE4009728A1 (de) * | 1989-04-03 | 1990-10-04 | Teldix Gmbh | Verfahren zum herstellen eines grundkoerpers fuer einen laserkreisel |
| US5854677A (en) * | 1990-08-31 | 1998-12-29 | Rockwell International Corporation | RLG optical noise injector |
| US5448354A (en) * | 1991-07-29 | 1995-09-05 | Rockwell International Corporation | Acceleration distortion resistant ring laser gyro |
| US5359413A (en) * | 1992-01-13 | 1994-10-25 | Kearfott Guidance And Navigation Corporation | System for substantially eleminating lock-in in a ring laser gyroscope |
| US5469258A (en) * | 1993-11-29 | 1995-11-21 | Allied Signal Inc. | Ring laser gyroscope with tilting mirrors |
| US9651379B2 (en) | 2014-11-17 | 2017-05-16 | Honeywell International Inc. | Eliminating ring laser gyro backscatter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2414715A1 (fr) * | 1978-01-13 | 1979-08-10 | Sfena | Procede d'attenua |
| US4281930A (en) * | 1978-12-18 | 1981-08-04 | Litton Systems, Inc. | Laser gyro with phased dithered mirrors |
-
1981
- 1981-06-08 US US06/271,734 patent/US4410274A/en not_active Expired - Lifetime
-
1982
- 1982-03-03 GB GB08206235A patent/GB2101802B/en not_active Expired
- 1982-03-08 CA CA000397770A patent/CA1168337A/en not_active Expired
- 1982-05-11 DE DE3217695A patent/DE3217695A1/de not_active Withdrawn
- 1982-05-18 FR FR8208664A patent/FR2507313A1/fr active Granted
- 1982-05-21 NO NO821691A patent/NO158316C/no unknown
- 1982-06-04 IT IT21703/82A patent/IT1151272B/it active
- 1982-06-07 AU AU84639/82A patent/AU548093B2/en not_active Ceased
- 1982-06-07 JP JP57097490A patent/JPS5866383A/ja active Pending
- 1982-06-07 SE SE8203513A patent/SE451762B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE8203513L (sv) | 1982-12-09 |
| SE451762B (sv) | 1987-10-26 |
| IT8221703A0 (it) | 1982-06-04 |
| NO158316C (no) | 1988-08-17 |
| FR2507313B1 (en, 2012) | 1985-03-15 |
| IT1151272B (it) | 1986-12-17 |
| DE3217695A1 (de) | 1982-12-23 |
| JPS5866383A (ja) | 1983-04-20 |
| NO158316B (no) | 1988-05-09 |
| AU548093B2 (en) | 1985-11-21 |
| FR2507313A1 (fr) | 1982-12-10 |
| AU8463982A (en) | 1982-12-16 |
| NO821691L (no) | 1982-12-09 |
| GB2101802B (en) | 1984-12-05 |
| GB2101802A (en) | 1983-01-19 |
| IT8221703A1 (it) | 1983-12-04 |
| US4410274A (en) | 1983-10-18 |
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|---|---|---|
| CA1168337A (en) | Ring laser gyroscope with doppler mirrors and offset actuators | |
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| JPS6061614A (ja) | 光共振器の固有共振周波数の相違を測定する装置 | |
| EP0266942A2 (en) | Ring laser gyroscope with geometrically induced bias | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |