FR2437712A1 - Laser en anneau - Google Patents

Laser en anneau

Info

Publication number
FR2437712A1
FR2437712A1 FR7923813A FR7923813A FR2437712A1 FR 2437712 A1 FR2437712 A1 FR 2437712A1 FR 7923813 A FR7923813 A FR 7923813A FR 7923813 A FR7923813 A FR 7923813A FR 2437712 A1 FR2437712 A1 FR 2437712A1
Authority
FR
France
Prior art keywords
fringes
plan
optical network
interference
pitch
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.)
Granted
Application number
FR7923813A
Other languages
English (en)
French (fr)
Other versions
FR2437712B1 (enExample
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ferranti International PLC
Original Assignee
Ferranti PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ferranti PLC filed Critical Ferranti PLC
Publication of FR2437712A1 publication Critical patent/FR2437712A1/fr
Application granted granted Critical
Publication of FR2437712B1 publication Critical patent/FR2437712B1/fr
Granted legal-status Critical Current

Links

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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Gyroscopes (AREA)
  • Optical Transform (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
FR7923813A 1978-09-27 1979-09-25 Laser en anneau Granted FR2437712A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7838274A GB2030760B (en) 1978-09-27 1978-09-27 Ring lasers

Publications (2)

Publication Number Publication Date
FR2437712A1 true FR2437712A1 (fr) 1980-04-25
FR2437712B1 FR2437712B1 (enExample) 1983-02-04

Family

ID=10499929

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7923813A Granted FR2437712A1 (fr) 1978-09-27 1979-09-25 Laser en anneau

Country Status (5)

Country Link
US (1) US4288163A (enExample)
JP (1) JPS5548988A (enExample)
DE (1) DE2938121A1 (enExample)
FR (1) FR2437712A1 (enExample)
GB (1) GB2030760B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86103143A (zh) * 1985-05-10 1986-11-12 霍尼韦尔公司 激光角速率传感器的读出设备
FR2645261B1 (fr) * 1989-03-30 1991-07-26 Salaberry Bernard De Dispositif de melange et de lecture pour gyrometre a laser

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2027570A1 (enExample) * 1969-06-06 1970-12-17
FR2379805A1 (fr) * 1977-02-02 1978-09-01 Litton Systems Inc Gyroscope a laser en anneau dont au moins un miroir est partiellement transparent
FR2414715A1 (fr) * 1978-01-13 1979-08-10 Sfena Procede d'attenua

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3390606A (en) * 1965-03-01 1968-07-02 Honeywell Inc Control apparatus
US3373650A (en) * 1965-04-02 1968-03-19 Honeywell Inc Laser angular rate sensor
US3484169A (en) * 1968-01-04 1969-12-16 Singer General Precision Motion sensing apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2027570A1 (enExample) * 1969-06-06 1970-12-17
FR2379805A1 (fr) * 1977-02-02 1978-09-01 Litton Systems Inc Gyroscope a laser en anneau dont au moins un miroir est partiellement transparent
FR2414715A1 (fr) * 1978-01-13 1979-08-10 Sfena Procede d'attenua

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/67 *

Also Published As

Publication number Publication date
US4288163A (en) 1981-09-08
GB2030760A (en) 1980-04-10
GB2030760B (en) 1982-08-11
JPS5548988A (en) 1980-04-08
DE2938121A1 (de) 1980-04-10
FR2437712B1 (enExample) 1983-02-04

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Legal Events

Date Code Title Description
ST Notification of lapse