JPH0523613B2 - - Google Patents

Info

Publication number
JPH0523613B2
JPH0523613B2 JP29607385A JP29607385A JPH0523613B2 JP H0523613 B2 JPH0523613 B2 JP H0523613B2 JP 29607385 A JP29607385 A JP 29607385A JP 29607385 A JP29607385 A JP 29607385A JP H0523613 B2 JPH0523613 B2 JP H0523613B2
Authority
JP
Japan
Prior art keywords
optical
frequency
output
section
light
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 - Fee Related
Application number
JP29607385A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62156535A (ja
Inventor
Hideto Iwaoka
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Electric Corp
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 Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Priority to JP60296073A priority Critical patent/JPS62156535A/ja
Priority to US06/943,670 priority patent/US4856899A/en
Priority to DE3643569A priority patent/DE3643569C2/de
Priority to GB8630375A priority patent/GB2185567B/en
Publication of JPS62156535A publication Critical patent/JPS62156535A/ja
Publication of JPH0523613B2 publication Critical patent/JPH0523613B2/ja
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
    • 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
    • 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
    • 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
    • G02F2/002—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light using optical mixing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/506—Multiwavelength transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/572—Wavelength control
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • 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
    • H01S3/1303—Stabilisation of laser output parameters, e.g. frequency or amplitude by using a passive reference, e.g. absorption cell

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Optical Communication System (AREA)
JP60296073A 1985-12-20 1985-12-27 光周波数ネツトワ−ク・アナライザ Granted JPS62156535A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP60296073A JPS62156535A (ja) 1985-12-27 1985-12-27 光周波数ネツトワ−ク・アナライザ
US06/943,670 US4856899A (en) 1985-12-20 1986-12-18 Optical frequency analyzer using a local oscillator heterodyne detection of incident light
DE3643569A DE3643569C2 (de) 1985-12-20 1986-12-19 Analysator für optische Frequenzen
GB8630375A GB2185567B (en) 1985-12-20 1986-12-19 Optical frequency analyzer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60296073A JPS62156535A (ja) 1985-12-27 1985-12-27 光周波数ネツトワ−ク・アナライザ

Publications (2)

Publication Number Publication Date
JPS62156535A JPS62156535A (ja) 1987-07-11
JPH0523613B2 true JPH0523613B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-04-05

Family

ID=17828762

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60296073A Granted JPS62156535A (ja) 1985-12-20 1985-12-27 光周波数ネツトワ−ク・アナライザ

Country Status (1)

Country Link
JP (1) JPS62156535A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002082038A1 (fr) * 2001-04-02 2002-10-17 Advantest Corporation Analyseur de reseau optique

Also Published As

Publication number Publication date
JPS62156535A (ja) 1987-07-11

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees