CA1136744A - Gyroscope interferometrique a detection de phase heterodyne - Google Patents
Gyroscope interferometrique a detection de phase heterodyneInfo
- Publication number
- CA1136744A CA1136744A CA000332906A CA332906A CA1136744A CA 1136744 A CA1136744 A CA 1136744A CA 000332906 A CA000332906 A CA 000332906A CA 332906 A CA332906 A CA 332906A CA 1136744 A CA1136744 A CA 1136744A
- Authority
- CA
- Canada
- Prior art keywords
- light
- optical path
- beams
- path
- source
- 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
- 238000001514 detection method Methods 0.000 title abstract description 4
- 230000003287 optical effect Effects 0.000 claims abstract description 32
- 239000013307 optical fiber Substances 0.000 claims description 23
- 230000035945 sensitivity Effects 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 6
- 230000010363 phase shift Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 101150087426 Gnal gene Proteins 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 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
- 229920000136 polysorbate Polymers 0.000 description 1
- 239000011787 zinc oxide Substances 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
- G01C19/72—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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
- Lasers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US93668078A | 1978-08-23 | 1978-08-23 | |
| US936,680 | 1978-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1136744A true CA1136744A (fr) | 1982-11-30 |
Family
ID=25468955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000332906A Expired CA1136744A (fr) | 1978-08-23 | 1979-07-31 | Gyroscope interferometrique a detection de phase heterodyne |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5530887A (fr) |
| CA (1) | CA1136744A (fr) |
| DE (1) | DE2934192A1 (fr) |
| FR (1) | FR2434370A1 (fr) |
| GB (1) | GB2028496B (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2934794A1 (de) * | 1979-08-29 | 1981-03-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur messung absoluter drehungen und anordnung zur durchfuehrung des verfahrens |
| DE3040514A1 (de) * | 1980-10-28 | 1982-07-22 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren und anordnung zur signalauswertung eines lichtleitfaserrotationssensors |
| DE3140110A1 (de) * | 1981-10-09 | 1983-04-28 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | "verfahren und anordnung zur messung absoluter drehungen" |
| JPS58109853A (ja) * | 1981-12-23 | 1983-06-30 | Fujitsu Ltd | 光学的速度センサ |
| GB2119083A (en) * | 1982-03-08 | 1983-11-09 | Univ London | Optical fibre gyroscope |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1807247B2 (de) * | 1968-11-06 | 1971-09-16 | Anordnung zur messung von drehgeschwindigkeiten | |
| US3846025A (en) * | 1973-04-02 | 1974-11-05 | S Wilber | Frequency sensitive laser rotary motion sensor |
| FR2350583A1 (fr) * | 1976-05-06 | 1977-12-02 | Massachusetts Inst Technology | Gyroscope a laser |
-
1979
- 1979-07-31 CA CA000332906A patent/CA1136744A/fr not_active Expired
- 1979-08-02 GB GB7927018A patent/GB2028496B/en not_active Expired
- 1979-08-13 FR FR7920627A patent/FR2434370A1/fr active Granted
- 1979-08-14 JP JP10392979A patent/JPS5530887A/ja active Pending
- 1979-08-23 DE DE19792934192 patent/DE2934192A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5530887A (en) | 1980-03-04 |
| GB2028496B (en) | 1983-02-02 |
| FR2434370A1 (fr) | 1980-03-21 |
| GB2028496A (en) | 1980-03-05 |
| DE2934192A1 (de) | 1980-03-27 |
| FR2434370B1 (fr) | 1985-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4765739A (en) | Fiber optical rotation sensor utilizing the Sagnac phase difference | |
| US4208128A (en) | Interferometer gyro using heterodyne phase detection without severe light source coherence requirements | |
| US5064288A (en) | Scattered light multi-Brillouin gyroscope | |
| CA2059025C (fr) | Interferometre de sagnac a fibre optique a modulation de phase numerique pour mesurer les vitesses de rotation | |
| US5323415A (en) | Brillouin ring laser | |
| CA1189725A (fr) | Interferometre a double polarisation avec guide d'ondes monomode | |
| CA1136744A (fr) | Gyroscope interferometrique a detection de phase heterodyne | |
| JP2509906B2 (ja) | 回転レ−ト計測装置 | |
| GB2071905A (en) | Angular velocity sensor based on a ring laser | |
| US4704032A (en) | Rotation rate measuring instrument | |
| US3545866A (en) | Ring laser which utilizes only one of the counterrotating beams to determine rotation rate | |
| JPS6355035B2 (fr) | ||
| US4290697A (en) | Method to eliminate fiber interferometer reflections | |
| EP0537288A1 (fr) | Demodulateur a un etage et a activation de la phase du signal de reference. | |
| US4720193A (en) | Optical fiber gyroscope | |
| GB2119083A (en) | Optical fibre gyroscope | |
| JP3174889B2 (ja) | 光ファイバジャイロ | |
| JPH0115833B2 (fr) | ||
| JPH01313703A (ja) | 外乱除去型ヘテロダイン干渉法光ファイバセンサ | |
| JPS63261107A (ja) | 光信号除去フィルタ及び該フィルタのリング干渉計への適用 | |
| JPS5963513A (ja) | 光フアイバ・ジヤイロスコ−プ | |
| JPH0633367Y2 (ja) | 光フアイバジヤイロ | |
| RU2036419C1 (ru) | Волоконно-оптический индикатор внешнего воздействия | |
| JP2961335B2 (ja) | 光ファイバジャイロ | |
| JPH0820337B2 (ja) | 偏波無依存干渉型反射光測定装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |