CA1085499A - Ring lasers - Google Patents
Ring lasersInfo
- Publication number
- CA1085499A CA1085499A CA281,359A CA281359A CA1085499A CA 1085499 A CA1085499 A CA 1085499A CA 281359 A CA281359 A CA 281359A CA 1085499 A CA1085499 A CA 1085499A
- Authority
- CA
- Canada
- Prior art keywords
- pulses
- laser
- modulators
- radiation
- path
- 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 35
- 230000003287 optical effect Effects 0.000 claims abstract description 20
- 239000007787 solid Substances 0.000 claims abstract description 4
- 230000001902 propagating effect Effects 0.000 claims description 11
- 229910052779 Neodymium Inorganic materials 0.000 claims description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 230000005670 electromagnetic radiation Effects 0.000 claims description 2
- 239000002223 garnet Substances 0.000 claims description 2
- 229910052727 yttrium Inorganic materials 0.000 claims description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 2
- 230000000644 propagated effect Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 8
- 230000002238 attenuated effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000035559 beat frequency Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000010897 surface acoustic wave method Methods 0.000 description 2
- 241001274197 Scatophagus argus Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002844 continuous effect Effects 0.000 description 1
- 238000006880 cross-coupling reaction Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Lasers (AREA)
- Gyroscopes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2829176A GB1542723A (en) | 1976-07-07 | 1976-07-07 | Ring lasers |
| GB28291/76 | 1976-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1085499A true CA1085499A (en) | 1980-09-09 |
Family
ID=10273335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA281,359A Expired CA1085499A (en) | 1976-07-07 | 1977-06-24 | Ring lasers |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA1085499A (enExample) |
| DE (1) | DE2730427A1 (enExample) |
| FR (1) | FR2358038A1 (enExample) |
| GB (1) | GB1542723A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7446879B2 (en) * | 2003-05-16 | 2008-11-04 | Thales | Solid-state gyrolaser stabilised by acousto-optic devices |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3921424A1 (de) * | 1989-06-29 | 1991-01-03 | Max Planck Gesellschaft | Ringlaser-kreisel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1292899B (de) * | 1965-04-02 | 1969-04-17 | Honeywell Inc | Einrichtung zum Messen einer Drehbewegung |
| US3627422A (en) * | 1965-06-21 | 1971-12-14 | Varian Associates | Means for avoiding locking in ring lasers |
| US3714607A (en) * | 1970-08-07 | 1973-01-30 | Hewlett Packard Co | Acousto optic method and apparatus for mode decoupling a ring laser |
-
1976
- 1976-07-07 GB GB2829176A patent/GB1542723A/en not_active Expired
-
1977
- 1977-06-24 CA CA281,359A patent/CA1085499A/en not_active Expired
- 1977-07-06 DE DE19772730427 patent/DE2730427A1/de not_active Ceased
- 1977-07-06 FR FR7720867A patent/FR2358038A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7446879B2 (en) * | 2003-05-16 | 2008-11-04 | Thales | Solid-state gyrolaser stabilised by acousto-optic devices |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2730427A1 (de) | 1978-02-16 |
| GB1542723A (en) | 1979-03-21 |
| FR2358038B1 (enExample) | 1984-04-20 |
| FR2358038A1 (fr) | 1978-02-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |