NO821958L - Ringlasergyroskop med dopplerspeil. - Google Patents
Ringlasergyroskop med dopplerspeil.Info
- Publication number
- NO821958L NO821958L NO821958A NO821958A NO821958L NO 821958 L NO821958 L NO 821958L NO 821958 A NO821958 A NO 821958A NO 821958 A NO821958 A NO 821958A NO 821958 L NO821958 L NO 821958L
- Authority
- NO
- Norway
- Prior art keywords
- mirrors
- mirror
- stated
- gyroscope
- zero
- Prior art date
Links
- 230000005855 radiation Effects 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 21
- 230000003287 optical effect Effects 0.000 claims description 14
- 230000010355 oscillation Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000006870 function Effects 0.000 description 22
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 238000002789 length control Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052754 neon Inorganic materials 0.000 description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000013589 supplement 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/274,044 US4410276A (en) | 1981-06-15 | 1981-06-15 | Ring laser gyroscope with doppler mirrors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO821958L true NO821958L (no) | 1982-12-16 |
Family
ID=23046536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO821958A NO821958L (no) | 1981-06-15 | 1982-06-11 | Ringlasergyroskop med dopplerspeil. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4410276A (it) |
| JP (1) | JPS57208187A (it) |
| AU (1) | AU547717B2 (it) |
| CA (1) | CA1170344A (it) |
| DE (1) | DE3222444A1 (it) |
| FR (1) | FR2507771B1 (it) |
| GB (1) | GB2100499B (it) |
| IL (1) | IL65330A0 (it) |
| IT (1) | IT1152969B (it) |
| NO (1) | NO821958L (it) |
| SE (1) | SE456277B (it) |
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 |
| US5412475A (en) * | 1982-08-27 | 1995-05-02 | Raytheon Company | Diagonal pathlength control |
| DE3320345A1 (de) * | 1983-06-04 | 1984-12-06 | Litton Systems, Inc., Beverly Hills, Calif. | Ringlaser-gyroskop |
| US4592656A (en) * | 1983-07-05 | 1986-06-03 | Honeywell, Inc. | Ring laser angular rate sensor with modulated scattered waves |
| 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 |
| CA1252551A (en) * | 1984-01-09 | 1989-04-11 | Litton Systems, Inc. | Laser angular rate sensor with dithered mirrors |
| JPH0716052B2 (ja) * | 1984-06-18 | 1995-02-22 | 日本航空電子工業株式会社 | リングレ−ザ角速度計 |
| JP2517696Y2 (ja) * | 1985-06-05 | 1996-11-20 | 日本電気ホームエレクトロニクス株式会社 | リングレ−ザジヤイロ |
| US4824253A (en) * | 1987-04-08 | 1989-04-25 | Litton Systems, Inc. | Glass driver for laser mirror |
| US5137358A (en) * | 1991-02-05 | 1992-08-11 | Northrop Corporation | Ring laser gyro having two magnetic mirrors |
| US5359413A (en) * | 1992-01-13 | 1994-10-25 | Kearfott Guidance And Navigation Corporation | System for substantially eleminating lock-in in a ring laser gyroscope |
| US5420685A (en) * | 1992-12-18 | 1995-05-30 | Honeywell Inc. | Electrostatic path length control transducer |
| US5416583A (en) * | 1993-07-30 | 1995-05-16 | Kearfott Guidance & Navigation Corporation | Quantum well bias mirror for phase modulation in a ring laser gyroscope |
| US5469258A (en) * | 1993-11-29 | 1995-11-21 | Allied Signal Inc. | Ring laser gyroscope with tilting mirrors |
| KR960010566B1 (ko) * | 1993-12-30 | 1996-08-02 | 한국과학기술연구원 | 록-인 영역(Look-in Zone)의 폭을 제어할 수 있는 레이저 자이로 |
| EP2761253B1 (en) * | 2011-09-29 | 2015-09-09 | SI-Ware Systems | Mems based ring laser gyroscope with reduced lock-in |
| US9651379B2 (en) | 2014-11-17 | 2017-05-16 | Honeywell International Inc. | Eliminating ring laser gyro backscatter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3533014A (en) * | 1968-06-04 | 1970-10-06 | Massachusetts Inst Technology | Gas ring laser using oscillating radiation scattering sources within the laser cavity |
| US4152071A (en) * | 1976-08-02 | 1979-05-01 | Honeywell Inc. | Control apparatus |
| CA1085031A (en) * | 1976-11-08 | 1980-09-02 | Litton Systems, Inc. | Laser gyro with phased dithered mirrors |
| 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
- 1981-06-15 US US06/274,044 patent/US4410276A/en not_active Expired - Lifetime
-
1982
- 1982-03-23 GB GB8208469A patent/GB2100499B/en not_active Expired
- 1982-03-23 IL IL65330A patent/IL65330A0/xx not_active IP Right Cessation
- 1982-03-31 CA CA000400295A patent/CA1170344A/en not_active Expired
- 1982-04-28 JP JP57070547A patent/JPS57208187A/ja active Pending
- 1982-06-04 FR FR8209792A patent/FR2507771B1/fr not_active Expired
- 1982-06-11 AU AU84852/82A patent/AU547717B2/en not_active Ceased
- 1982-06-11 NO NO821958A patent/NO821958L/no unknown
- 1982-06-14 SE SE8203682A patent/SE456277B/sv not_active IP Right Cessation
- 1982-06-15 IT IT21862/82A patent/IT1152969B/it active
- 1982-06-15 DE DE19823222444 patent/DE3222444A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB2100499A (en) | 1982-12-22 |
| AU547717B2 (en) | 1985-10-31 |
| FR2507771A1 (fr) | 1982-12-17 |
| AU8485282A (en) | 1982-12-23 |
| CA1170344A (en) | 1984-07-03 |
| US4410276A (en) | 1983-10-18 |
| SE456277B (sv) | 1988-09-19 |
| JPS57208187A (en) | 1982-12-21 |
| GB2100499B (en) | 1985-09-11 |
| IT8221862A0 (it) | 1982-06-15 |
| IT8221862A1 (it) | 1983-12-15 |
| IL65330A0 (en) | 1982-05-31 |
| FR2507771B1 (fr) | 1986-07-25 |
| IT1152969B (it) | 1987-01-14 |
| SE8203682L (sv) | 1982-12-16 |
| DE3222444A1 (de) | 1982-12-30 |
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