JPH0549055B2 - - Google Patents

Info

Publication number
JPH0549055B2
JPH0549055B2 JP61189944A JP18994486A JPH0549055B2 JP H0549055 B2 JPH0549055 B2 JP H0549055B2 JP 61189944 A JP61189944 A JP 61189944A JP 18994486 A JP18994486 A JP 18994486A JP H0549055 B2 JPH0549055 B2 JP H0549055B2
Authority
JP
Japan
Prior art keywords
light
marker
optical
output
light source
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
JP61189944A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6345515A (ja
Inventor
Hideto Iwaoka
Koji Akyama
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 JP61189944A priority Critical patent/JPS6345515A/ja
Priority to US06/943,670 priority patent/US4856899A/en
Priority to GB8630375A priority patent/GB2185567B/en
Priority to DE3643569A priority patent/DE3643569C2/de
Publication of JPS6345515A publication Critical patent/JPS6345515A/ja
Publication of JPH0549055B2 publication Critical patent/JPH0549055B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Nonlinear Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Spectrometry And Color Measurement (AREA)
JP61189944A 1985-12-20 1986-08-13 光周波数スペクトラム・アナライザ Granted JPS6345515A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP61189944A JPS6345515A (ja) 1986-08-13 1986-08-13 光周波数スペクトラム・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
GB8630375A GB2185567B (en) 1985-12-20 1986-12-19 Optical frequency analyzer
DE3643569A DE3643569C2 (de) 1985-12-20 1986-12-19 Analysator für optische Frequenzen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61189944A JPS6345515A (ja) 1986-08-13 1986-08-13 光周波数スペクトラム・アナライザ

Publications (2)

Publication Number Publication Date
JPS6345515A JPS6345515A (ja) 1988-02-26
JPH0549055B2 true JPH0549055B2 (en, 2012) 1993-07-23

Family

ID=16249818

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61189944A Granted JPS6345515A (ja) 1985-12-20 1986-08-13 光周波数スペクトラム・アナライザ

Country Status (1)

Country Link
JP (1) JPS6345515A (en, 2012)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4270718B2 (ja) * 2000-04-27 2009-06-03 株式会社アドバンテスト 基準波長光発生装置
JP4608528B2 (ja) * 2007-08-24 2011-01-12 アンリツ株式会社 光スペクトルモニタ
JP5023094B2 (ja) * 2009-03-11 2012-09-12 アンリツ株式会社 光ヘテロダインスペクトラムアナライザ
US11300452B2 (en) 2017-06-08 2022-04-12 Ushio Denki Kabushiki Kaisha Spectral measurement method, spectral measurement system, and broadband pulsed light source unit

Also Published As

Publication number Publication date
JPS6345515A (ja) 1988-02-26

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Legal Events

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