ES2020559B3 - Monitorizado y control de la estabilidad de una fuente de radiacion. - Google Patents

Monitorizado y control de la estabilidad de una fuente de radiacion.

Info

Publication number
ES2020559B3
ES2020559B3 ES87300692T ES87300692T ES2020559B3 ES 2020559 B3 ES2020559 B3 ES 2020559B3 ES 87300692 T ES87300692 T ES 87300692T ES 87300692 T ES87300692 T ES 87300692T ES 2020559 B3 ES2020559 B3 ES 2020559B3
Authority
ES
Spain
Prior art keywords
laser
frequencies
reference beam
sources
local
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
Application number
ES87300692T
Other languages
English (en)
Inventor
Keith Henderson Cameron
David William Smith
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications 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
Priority claimed from GB868602015A external-priority patent/GB8602015D0/en
Priority claimed from GB868602016A external-priority patent/GB8602016D0/en
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Application granted granted Critical
Publication of ES2020559B3 publication Critical patent/ES2020559B3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01S5/00—Semiconductor lasers
    • H01S5/0014—Measuring characteristics or properties thereof
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
    • 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
    • H01S3/1394—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 by using an active reference, e.g. second laser, klystron or other standard frequency source
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • G01J9/0246—Measuring optical wavelength
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/04—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by beating two waves of a same source but of different frequency and measuring the phase shift of the lower frequency obtained
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/0687—Stabilising the frequency of the laser

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Nonlinear Science (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Power Steering Mechanism (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Electrotherapy Devices (AREA)
  • General Induction Heating (AREA)
  • Noise Elimination (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
ES87300692T 1986-01-28 1987-01-27 Monitorizado y control de la estabilidad de una fuente de radiacion. Expired - Lifetime ES2020559B3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868602015A GB8602015D0 (en) 1986-01-28 1986-01-28 Monitoring & controlling radiation source stability
GB868602016A GB8602016D0 (en) 1986-01-28 1986-01-28 Frequency locking radiation beams

Publications (1)

Publication Number Publication Date
ES2020559B3 true ES2020559B3 (es) 1991-08-16

Family

ID=26290277

Family Applications (2)

Application Number Title Priority Date Filing Date
ES87300692T Expired - Lifetime ES2020559B3 (es) 1986-01-28 1987-01-27 Monitorizado y control de la estabilidad de una fuente de radiacion.
ES87300691T Expired - Lifetime ES2018258B3 (es) 1986-01-28 1987-01-27 Sintonizador de haces de radiaccion en su frecuencia.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES87300691T Expired - Lifetime ES2018258B3 (es) 1986-01-28 1987-01-27 Sintonizador de haces de radiaccion en su frecuencia.

Country Status (9)

Country Link
US (2) US4817100A (es)
EP (2) EP0235920B1 (es)
JP (1) JPH0831648B2 (es)
AT (2) ATE56320T1 (es)
CA (2) CA1278023C (es)
DE (2) DE3766850D1 (es)
ES (2) ES2020559B3 (es)
GR (2) GR3000840T3 (es)
WO (2) WO1987004571A1 (es)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1278023C (en) * 1986-01-28 1990-12-18 Keith Henderson Cameron Monitoring and controlling radiation source stability
US4817101A (en) * 1986-09-26 1989-03-28 The United States Of America As Represented By The United States Department Of Energy Heterodyne laser spectroscopy system
US4951287A (en) * 1986-09-26 1990-08-21 Wyeth Richard W Atomic vapor laser isotope separation process
SE460807B (sv) * 1988-03-11 1989-11-20 Ericsson Telefon Ab L M Anording foer att utsaenda en koherent frekvensmodulerad optisk signal
JPH0239131A (ja) * 1988-07-29 1990-02-08 Hitachi Ltd 周波数間隔安定化方法、光ヘテロダイン又は光ホモダイン通信方法
US4998254A (en) * 1989-07-18 1991-03-05 Coherent, Inc. Stabilized synchronously pumped dye laser
JP2864591B2 (ja) * 1989-12-18 1999-03-03 日本電気株式会社 複数のレーザ装置の発振周波数間隔安定化方法
GB9020105D0 (en) * 1990-09-14 1990-10-24 Gen Electric Co Plc Optical frequency synthesis
JP2914586B2 (ja) * 1990-12-12 1999-07-05 株式会社アドバンテスト 発振器及びこの発振器を利用した光周波数測定装置
DE4103687C2 (de) * 1991-02-07 1995-02-02 Kathrein Werke Kg Phasenregelschleife zur Demodulation
US5969825A (en) * 1991-08-06 1999-10-19 Southwest Sciences Incorporated Dual-modulation laser line-locking for wavelength modulation spectroscopy
US6351309B1 (en) 1991-08-06 2002-02-26 Southwest Sciences Incorporated Dual modulation laser line-locking technique for wavelength modulation spectroscopy
GB2264834A (en) * 1992-02-25 1993-09-08 Northern Telecom Ltd Optical transmission system
US5504766A (en) * 1992-04-13 1996-04-02 Fanuc, Ltd. Controller for laser beam oscillator
JPH06112583A (ja) * 1992-09-25 1994-04-22 Ando Electric Co Ltd 外部共振器型半導体レーザ光源
JPH0766482A (ja) * 1993-08-26 1995-03-10 Anritsu Corp 可変波長光源
JPH07240716A (ja) * 1994-02-28 1995-09-12 Ando Electric Co Ltd 可変波長光源
GB2293684B (en) * 1994-09-27 1998-10-14 Northern Telecom Ltd An interfermetric multiplexer
US5724377A (en) * 1996-02-29 1998-03-03 Lucent Technologies Inc. Method and apparatus for improving the instability of a laser
AT405446B (de) * 1996-09-02 1999-08-25 Vaillant Gmbh Wasserheizer
US6262681B1 (en) 1999-09-09 2001-07-17 Hrl Laboratories, Llc. Method and apparatus for microwave signal generation that uses polarization selective photonic mixing
GB2361057B (en) * 2000-04-06 2002-06-26 Marconi Comm Ltd Optical signal monitor
US6486958B1 (en) * 2001-04-24 2002-11-26 Agilent Technologies, Inc. Method and system for optical spectrum analysis with matched filter detection
GB0205111D0 (en) * 2002-03-05 2002-04-17 Denselight Semiconductors Pte Active wavelength locking
US6865196B2 (en) * 2002-05-28 2005-03-08 Itt Manufacturing Enterprises, Inc. Laser spectroscopy using a master/slave architecture
US7583711B2 (en) * 2006-03-17 2009-09-01 Lockheed Martin Coherent Technologies, Inc. Apparatus and method for stabilizing the frequency of lasers
JP5606929B2 (ja) * 2008-02-21 2014-10-15 インテュイティブ サージカル オペレーションズ， インコーポレイテッド 波長可変レーザ制御システムおよび波長可変レーザの出力を制御する方法
JP5729883B2 (ja) 2012-11-05 2015-06-03 横河電機株式会社 光波長計

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3437955A (en) * 1964-12-29 1969-04-08 Bell Telephone Labor Inc Phase locked laser oscillator
US3471803A (en) * 1967-04-28 1969-10-07 Hughes Aircraft Co Laser having a stabilized output spectrum
US3747004A (en) * 1971-05-14 1973-07-17 Us Air Force Injection-locked laser stabilizer
US4096448A (en) * 1977-01-12 1978-06-20 Rockwell International Corporation Phase-locking of independent laser oscillators
US4181898A (en) * 1977-03-28 1980-01-01 Jersey Nuclear-Avco Isotopes, Inc. Controlled frequency high power laser
US4237427A (en) * 1978-06-16 1980-12-02 International Telephone And Telegraph Corporation Apparatus for stabilizing a laser
US4326803A (en) * 1979-09-20 1982-04-27 Northrop Corporation Thin film laser gyro
US4410992A (en) * 1980-03-26 1983-10-18 Laser Science, Inc. Generation of pulsed laser radiation at a finely controlled frequency by transient regerative amplification
US4329664A (en) * 1980-06-09 1982-05-11 Ali Javan Generation of stable frequency radiation at an optical frequency
US4468773A (en) * 1981-05-29 1984-08-28 Seaton Norman T Laser control apparatus and method
US4635246A (en) * 1983-10-20 1987-01-06 The United States Of America As Represented By The Secretary Of The Navy Frequency multiplex system using injection locking of multiple laser diodes
US4685111A (en) * 1985-05-01 1987-08-04 Spectra-Physics, Inc. Phase stabilization for mode locked lasers
CA1278023C (en) * 1986-01-28 1990-12-18 Keith Henderson Cameron Monitoring and controlling radiation source stability
JPH01105268A (ja) * 1986-04-05 1989-04-21 Ricoh Co Ltd 情報記録用光ビ−ムの出力安定化方法及び装置
US4751705A (en) * 1986-10-07 1988-06-14 The United States Of America As Represented By The United States Department Of Energy Single-element optical injection locking of diode-laser arrays

Also Published As

Publication number Publication date
ATE59738T1 (de) 1991-01-15
ATE56320T1 (de) 1990-09-15
US4817100A (en) 1989-03-28
CA1278023C (en) 1990-12-18
DE3764672D1 (de) 1990-10-11
GR3001346T3 (en) 1992-08-31
CA1320532C (en) 1993-07-20
EP0235920B1 (en) 1991-01-02
JPS63502391A (ja) 1988-09-08
EP0235919A1 (en) 1987-09-09
WO1987004572A1 (en) 1987-07-30
DE3766850D1 (de) 1991-02-07
ES2018258B3 (es) 1991-04-01
EP0235919B1 (en) 1990-09-05
US4955026A (en) 1990-09-04
GR3000840T3 (en) 1991-11-15
EP0235920A1 (en) 1987-09-09
WO1987004571A1 (en) 1987-07-30
JPH0831648B2 (ja) 1996-03-27

Similar Documents

Publication Publication Date Title
ES2020559B3 (es) Monitorizado y control de la estabilidad de una fuente de radiacion.
JP2864591B2 (ja) 複数のレーザ装置の発振周波数間隔安定化方法
GB1472894A (en) Interferometric methods and apparatus for measuring distance to a surface
EP0185557A3 (en) Optical modulation systems
EP0403094B1 (en) Method of measuring backscattered light, and device for same measuring
JPS6344783A (ja) レ−ザ光源の周波数安定化装置
JPH0482191B2 (es)
JPH0526175B2 (es)
JP2648921B2 (ja) 周波数ロック方法および装置ならびに光広帯域通信ネットワーク
JPH04133484A (ja) 波長安定化レーザ装置
JPS647679A (en) Laser device
JP2876498B2 (ja) 高精度近赤外基準光周波数発生法
JPS6473687A (en) Spectral width control device of semiconductor laser
JPS5786023A (en) Method for measuring base band frequency characteristic of optical fiber
JPS63300585A (ja) 複数のレ−ザ装置の発振周波数間隔安定化方法及び装置
JPH0334482A (ja) レーザ装置発振周波数間隔安定化装置
CA2053724A1 (en) System for measuring the refractive index profile of optical components
JPH08130340A (ja) 周波数安定化光源
JPH0391726A (ja) 光搬送波発生装置
Buholz et al. CO 2 Laser stabilization and switching
JPH0435079A (ja) レーザ発振周波数安定化方法
JPS57111516A (en) Bragg angle adjusting system
SE8603639D0 (sv) Forfarande och anordning for stabilisering av en halvledarlaser med avseende pa dess frekvens och/eller fas
GB1261726A (en) Apparatus for, and a method of aligning optical interferometers
GB1400288A (en) Vibration detection apparatus