GB1250407A - - Google Patents

Info

Publication number
GB1250407A
GB1250407A GB1250407DA GB1250407A GB 1250407 A GB1250407 A GB 1250407A GB 1250407D A GB1250407D A GB 1250407DA GB 1250407 A GB1250407 A GB 1250407A
Authority
GB
United Kingdom
Prior art keywords
laser
cell
detector
particular frequency
signal
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 GB1250407A publication Critical patent/GB1250407A/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
    • H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
    • H01S3/108—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering
    • H01S3/1083—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering using parametric generation
    • 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
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Lasers (AREA)
GB1250407D 1969-01-02 1969-12-11 Expired GB1250407A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78909569A 1969-01-02 1969-01-02

Publications (1)

Publication Number Publication Date
GB1250407A true GB1250407A (enExample) 1971-10-20

Family

ID=25146576

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1250407D Expired GB1250407A (enExample) 1969-01-02 1969-12-11

Country Status (4)

Country Link
US (1) US3614462A (enExample)
DE (1) DE1965505A1 (enExample)
FR (1) FR2027631A1 (enExample)
GB (1) GB1250407A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3703687A (en) * 1971-02-12 1972-11-21 Bell Telephone Labor Inc Intracavity modulator
USRE29421E (en) * 1971-05-26 1977-09-27 Texas Instruments Incorporated Laser system having electronically selectable gain
US3764807A (en) * 1972-05-04 1973-10-09 Trw Inc System for converting infrared into shorter wavelength radiation
US4707835A (en) * 1986-06-17 1987-11-17 Honeywell Inc. Rapid wavelength switching of IR lasers with Bragg cells
US5929981A (en) * 1996-06-18 1999-07-27 Ohmeda Inc. System for monitoring contamination of optical elements in a Raman gas analyzer
JP7549461B2 (ja) * 2020-04-28 2024-09-11 浜松ホトニクス株式会社 光増幅装置及び光増幅方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3174044A (en) * 1961-05-09 1965-03-16 Bell Telephone Labor Inc Light frequency modulator
US3485559A (en) * 1967-11-13 1969-12-23 United Aircraft Corp Angle measuring apparatus utilizing lasers

Also Published As

Publication number Publication date
FR2027631A1 (enExample) 1970-10-02
US3614462A (en) 1971-10-19
DE1965505A1 (de) 1970-07-16

Similar Documents

Publication Publication Date Title
US2929922A (en) Masers and maser communications system
US3949315A (en) Optical intermediate amplifier for a communication system
GB1363143A (en) Polarization independent light modulation means using birefringent crystals
US7142570B2 (en) Apparatus and method for generating optical carrier for microwave and millimeterwave photonics system
US4019157A (en) Method and apparatus for tuning high power lasers
SE325311B (enExample)
US3339073A (en) Sonic laser modulator with mode suppression produced by external modulation
GB1250407A (enExample)
US3241085A (en) High power optical maser using a circular ellipsoidal resonant cavity
GB1277720A (en) Two cavity laser
US3393955A (en) Light frequency shifter
US3958881A (en) Method of operating a laser oscillator and amplifier
US3720884A (en) Method and apparatus for compression of optical laser pulses
GB1075658A (en) Improvements in or relating to lasers or masers
Ambartsumyan et al. Laser with nonresonant feedback
GB1417374A (en) Optical information detection system
GB1048874A (en) Improvements in or relating to the detection of electromagnetic energy
GB1144585A (en) Improvements in and relating to systems using lasers
GB1323318A (en) Doppler effect frequency monitoring system
US3235813A (en) Optical maser amplifiers with optimum signal to noise ratio
US3602725A (en) Variable acoustic laser delay line
US3462711A (en) Electro-optic diode modulators
GB1390832A (en) Pulse-operated laser systems
US3624544A (en) Self mode-locking of lasers using dyes
US4822147A (en) Contrast enhancement of optical images with nonlinear media

Legal Events

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