GB1257739A - - Google Patents

Info

Publication number
GB1257739A
GB1257739A GB1257739DA GB1257739A GB 1257739 A GB1257739 A GB 1257739A GB 1257739D A GB1257739D A GB 1257739DA GB 1257739 A GB1257739 A GB 1257739A
Authority
GB
United Kingdom
Prior art keywords
transducer
laser
resonator
circuit
demodulator
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
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1257739A publication Critical patent/GB1257739A/en
Expired 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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/139—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
GB1257739D 1968-05-09 1969-05-06 Expired GB1257739A (US07122547-20061017-C00273.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72788968A 1968-05-09 1968-05-09

Publications (1)

Publication Number Publication Date
GB1257739A true GB1257739A (US07122547-20061017-C00273.png) 1971-12-22

Family

ID=24924510

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1257739D Expired GB1257739A (US07122547-20061017-C00273.png) 1968-05-09 1969-05-06

Country Status (3)

Country Link
US (1) US3555453A (US07122547-20061017-C00273.png)
DE (1) DE1923745A1 (US07122547-20061017-C00273.png)
GB (1) GB1257739A (US07122547-20061017-C00273.png)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2313107C3 (de) * 1973-03-16 1975-10-09 Hewlett-Packard Gmbh, 7030 Boeblingen Verfahren und Schaltungsanordnung zum Steuern der Ausdehnung eines piezoelektrischen Elementes
FR2271586B1 (US07122547-20061017-C00273.png) * 1973-11-29 1978-03-24 Instruments Sa
US4099876A (en) * 1977-03-14 1978-07-11 Rockwell International Corporation Phase-coded control for ring laser gyro
US4267478A (en) * 1978-11-17 1981-05-12 The Singer Company Pathlength controller for a ring laser gyroscope
US4314174A (en) * 1980-03-25 1982-02-02 Litton Systems, Inc. Piezoelectric transducer drive having temperature compensation
US4597667A (en) * 1982-12-09 1986-07-01 Litton Systems, Inc. Dither controller for ring laser angular rotation sensor
US4618958A (en) * 1984-02-10 1986-10-21 Ricoh Co., Ltd. Device for controlling the radiating output of a semiconductor laser
JPH07140503A (ja) * 1993-11-16 1995-06-02 Hitachi Ltd 微小変位発生装置
CN103532002B (zh) * 2013-10-22 2015-11-25 华北电力大学（保定） 一种固体或气体激光器快速稳频方法

Also Published As

Publication number Publication date
US3555453A (en) 1971-01-12
DE1923745A1 (de) 1970-06-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee