JPS51117595A - Light wave heterodyne-type frequency stabilized laser equipment - Google Patents

Light wave heterodyne-type frequency stabilized laser equipment

Info

Publication number
JPS51117595A
JPS51117595A JP4221475A JP4221475A JPS51117595A JP S51117595 A JPS51117595 A JP S51117595A JP 4221475 A JP4221475 A JP 4221475A JP 4221475 A JP4221475 A JP 4221475A JP S51117595 A JPS51117595 A JP S51117595A
Authority
JP
Japan
Prior art keywords
light wave
laser equipment
type frequency
stabilized laser
frequency stabilized
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.)
Pending
Application number
JP4221475A
Other languages
Japanese (ja)
Inventor
Kengo Murasawa
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4221475A priority Critical patent/JPS51117595A/en
Publication of JPS51117595A publication Critical patent/JPS51117595A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/139Stabilisation 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
    • H01S3/1394Stabilisation 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)

Abstract

PURPOSE:To enable to produce beat signal at the central frequency of a FM discriminator or at an optional fequency within the discriminating range of the FM discriminator by outside control.
JP4221475A 1975-04-09 1975-04-09 Light wave heterodyne-type frequency stabilized laser equipment Pending JPS51117595A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4221475A JPS51117595A (en) 1975-04-09 1975-04-09 Light wave heterodyne-type frequency stabilized laser equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4221475A JPS51117595A (en) 1975-04-09 1975-04-09 Light wave heterodyne-type frequency stabilized laser equipment

Publications (1)

Publication Number Publication Date
JPS51117595A true JPS51117595A (en) 1976-10-15

Family

ID=12629773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4221475A Pending JPS51117595A (en) 1975-04-09 1975-04-09 Light wave heterodyne-type frequency stabilized laser equipment

Country Status (1)

Country Link
JP (1) JPS51117595A (en)

Similar Documents

Publication Publication Date Title
SE7800856L (en) HIGH FREQUENCY ELECTROMAGNETIC TRANSMITTER
JPS51134548A (en) Microwave band-pass filter
JPS5230485A (en) Detector
JPS51117595A (en) Light wave heterodyne-type frequency stabilized laser equipment
JPS5388511A (en) Tuner
JPS5377112A (en) Digital value setter for radio receiver
JPS51145202A (en) Synthesizer receiver
JPS5217065A (en) Directional doppler signal detection system
JPS51149751A (en) Hrequency adjusting unit
JPS53129513A (en) Frequency control circuit of digital-system receiver
JPS5232484A (en) Signal receiving device
JPS53109462A (en) Arbitrary frequency generator
JPS524145A (en) Unnecessary wave receiving prevention system
JPS51135585A (en) Photodetector for spectro-photometer
JPS52115101A (en) Fm receiver
JPS5312252A (en) Solid signal process device
JPS5230311A (en) Signal conveyance method
JPS5219184A (en) Vapor source
JPS51129245A (en) Frequency measuring method
JPS51111035A (en) Electromagnetic horn
JPS53144215A (en) Saw-tooth wave generator circuit
JPS5317010A (en) Signal generating device of microwave-plane-wave circuit
JPS5223247A (en) Oscillator
JPS51117823A (en) Phase comparison circuit
JPS5236966A (en) Magnetron