JPH0321889B2 - - Google Patents
Info
- Publication number
- JPH0321889B2 JPH0321889B2 JP53164633A JP16463378A JPH0321889B2 JP H0321889 B2 JPH0321889 B2 JP H0321889B2 JP 53164633 A JP53164633 A JP 53164633A JP 16463378 A JP16463378 A JP 16463378A JP H0321889 B2 JPH0321889 B2 JP H0321889B2
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- support member
- base support
- opening
- faraday rotator
- 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 - Lifetime
Links
- 230000005291 magnetic effect Effects 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 239000003302 ferromagnetic material Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 12
- 230000010287 polarization Effects 0.000 description 11
- 238000000926 separation method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 238000006880 cross-coupling reaction Methods 0.000 description 8
- 239000011343 solid material Substances 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 230000001902 propagating effect Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000002789 length control Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000006095 Cer-Vit Substances 0.000 description 1
- 241000511976 Hoya Species 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006112 glass ceramic composition Substances 0.000 description 1
- 238000010849 ion bombardment Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Classifications
-
- 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
- G01C19/667—Ring laser gyrometers using a multioscillator ring laser
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US86809678A | 1978-01-03 | 1978-01-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5498195A JPS5498195A (en) | 1979-08-02 |
| JPH0321889B2 true JPH0321889B2 (nl) | 1991-03-25 |
Family
ID=25351066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16463378A Granted JPS5498195A (en) | 1978-01-03 | 1978-12-27 | Laser gyroscope device |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5498195A (nl) |
| CA (1) | CA1116279A (nl) |
| DE (1) | DE2900125A1 (nl) |
| FR (1) | FR2413635A1 (nl) |
| GB (1) | GB2012101B (nl) |
| IT (1) | IT1113711B (nl) |
| NL (1) | NL189980C (nl) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2471583A1 (fr) * | 1979-12-14 | 1981-06-19 | Thomson Csf | Procede et dispositif de modulation de la phase des ondes circulant dans un interferometre en anneau |
| CA1189600A (en) * | 1980-10-17 | 1985-06-25 | Raytheon Company | Dispersion equalized ring laser gyroscope |
| US4397027A (en) * | 1981-01-05 | 1983-08-02 | Raytheon Company | Self-compensating gas discharge path for laser gyro |
| GB2120839A (en) * | 1982-05-19 | 1983-12-07 | Raytheon Co | Ring laser gyroscope |
| US4616930A (en) * | 1983-04-20 | 1986-10-14 | Litton Systems, Inc. | Optically biased twin ring laser gyroscope |
| JPS6068684A (ja) * | 1983-09-26 | 1985-04-19 | Fujitsu Ltd | レ−ザ光源装置 |
| GB2184285B (en) * | 1983-11-07 | 1990-08-01 | Raytheon Co | Ring laser gyroscope |
| US4578793A (en) * | 1984-07-13 | 1986-03-25 | The Board Of Trustees Of The Leland Stanford Junior University | Solid-state non-planar internally reflecting ring laser |
| US4962506A (en) * | 1988-04-14 | 1990-10-09 | Litton Systems, Inc. | Scatter symmetrization in multi-mode ring laser gyros |
| US5469256A (en) * | 1988-07-29 | 1995-11-21 | Litton Systems, Inc. | Multipole magnetic geometry for a ring laser gyroscope |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4927246U (nl) * | 1972-06-07 | 1974-03-08 | ||
| JPS4940557A (nl) * | 1972-08-16 | 1974-04-16 | ||
| JPS5146340B2 (nl) * | 1972-12-12 | 1976-12-08 | ||
| JPS5285497A (en) * | 1976-01-02 | 1977-07-15 | Raytheon Co | Electromagnetic ring resonator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3245314A (en) * | 1962-06-28 | 1966-04-12 | Bell Telephone Labor Inc | Optical rotation devices employing a ferromagnetic chromium trihalide |
| US3373650A (en) * | 1965-04-02 | 1968-03-19 | Honeywell Inc | Laser angular rate sensor |
| US3741657A (en) * | 1971-03-03 | 1973-06-26 | Raytheon Co | Laser gyroscope |
| DE2335597A1 (de) * | 1972-07-17 | 1974-01-31 | North American Rockwell | Ringlaser-gyroskop |
| US3841758A (en) * | 1972-09-28 | 1974-10-15 | J Gievers | Rotation sensitive retarder |
| DE2432479C2 (de) * | 1974-07-04 | 1985-05-30 | Sperry Corp., New York, N.Y. | Ringlaser |
| JPS5349629Y2 (nl) * | 1974-10-02 | 1978-11-29 |
-
1978
- 1978-12-07 CA CA317,534A patent/CA1116279A/en not_active Expired
- 1978-12-20 GB GB7849292A patent/GB2012101B/en not_active Expired
- 1978-12-27 JP JP16463378A patent/JPS5498195A/ja active Granted
- 1978-12-29 NL NLAANVRAGE7812668,A patent/NL189980C/nl not_active IP Right Cessation
- 1978-12-29 FR FR7836927A patent/FR2413635A1/fr active Granted
-
1979
- 1979-01-02 IT IT47511/79A patent/IT1113711B/it active
- 1979-01-03 DE DE19792900125 patent/DE2900125A1/de active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4927246U (nl) * | 1972-06-07 | 1974-03-08 | ||
| JPS4940557A (nl) * | 1972-08-16 | 1974-04-16 | ||
| JPS5146340B2 (nl) * | 1972-12-12 | 1976-12-08 | ||
| JPS5285497A (en) * | 1976-01-02 | 1977-07-15 | Raytheon Co | Electromagnetic ring resonator |
Also Published As
| Publication number | Publication date |
|---|---|
| NL189980C (nl) | 1993-09-16 |
| GB2012101B (en) | 1982-04-21 |
| IT7947511A0 (it) | 1979-01-02 |
| CA1116279A (en) | 1982-01-12 |
| GB2012101A (en) | 1979-07-18 |
| IT1113711B (it) | 1986-01-20 |
| DE2900125C2 (nl) | 1993-04-01 |
| NL189980B (nl) | 1993-04-16 |
| FR2413635B1 (nl) | 1984-09-14 |
| FR2413635A1 (fr) | 1979-07-27 |
| DE2900125A1 (de) | 1979-07-12 |
| JPS5498195A (en) | 1979-08-02 |
| NL7812668A (nl) | 1979-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4284329A (en) | Laser gyroscope system | |
| US4470701A (en) | Dispersion equalized ring laser gyroscope | |
| US4006989A (en) | Laser gyroscope | |
| US3741657A (en) | Laser gyroscope | |
| US4397027A (en) | Self-compensating gas discharge path for laser gyro | |
| US4494873A (en) | Electromagnetic wave reflections absorber | |
| CA1128179A (en) | Isotropic nonplanar ring laser | |
| US4519708A (en) | Mode discrimination apparatus | |
| US4627732A (en) | Mode discrimination apparatus | |
| EP0822391A2 (en) | Compact three-axis ring laser gyroscope | |
| JPH0321889B2 (nl) | ||
| US3982204A (en) | Laser discharge tube assembly | |
| US4548501A (en) | Laser gyroscope system | |
| US3649931A (en) | Compensated frequency biasing system for ring laser | |
| JPH02870B2 (nl) | ||
| US4687331A (en) | Ring laser gyroscope | |
| CA1115397A (en) | Ring laser having magnetic isolation of counter-propagating light waves | |
| US3930731A (en) | Laser gyroscope | |
| US3890047A (en) | Differential laser gyro employing reflection polarization anisotropy | |
| EP3211490B1 (en) | Systems and methods for positionally stable magneto-optical trapping over temperature | |
| JPS624876B2 (nl) | ||
| EP0420943A1 (en) | Ring laser gyroscope. | |
| US5384636A (en) | External scatter removal system | |
| JP2007218864A (ja) | 不感域のない４モード安定化半導体レーザジャイロ | |
| JPH0642567B2 (ja) | リングレ−ザ−ジャイロの磁場変化感応度低下装置 |