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JPS5273748A - Photo-modulator - Google Patents

Photo-modulator

Info

Publication number
JPS5273748A
JPS5273748A JP50150421A JP15042175A JPS5273748A JP S5273748 A JPS5273748 A JP S5273748A JP 50150421 A JP50150421 A JP 50150421A JP 15042175 A JP15042175 A JP 15042175A JP S5273748 A JPS5273748 A JP S5273748A
Authority
JP
Japan
Prior art keywords
photo
parts
modulator
voltage
agreement
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
JP50150421A
Other languages
Japanese (ja)
Inventor
Sakae Ikuta
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP50150421A priority Critical patent/JPS5273748A/en
Publication of JPS5273748A publication Critical patent/JPS5273748A/en
Pending 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
    • 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
    • G02F1/01—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 for the control of the intensity, phase, polarisation or colour 
    • G02F1/03—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 for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/0305—Constructional arrangements
    • G02F1/0322—Arrangements comprising two or more independently controlled crystals

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Abstract

PURPOSE: To render possible photo-modulation at small voltage and thereby place less limitation on selection of parts of parts by applying the voltage of the same magnitude in the reverse directions to first and second crystals disposed in such a way that their optic axes are in agreement.
COPYRIGHT: (C)1977,JPO&Japio
JP50150421A 1975-12-17 1975-12-17 Photo-modulator Pending JPS5273748A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50150421A JPS5273748A (en) 1975-12-17 1975-12-17 Photo-modulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50150421A JPS5273748A (en) 1975-12-17 1975-12-17 Photo-modulator

Publications (1)

Publication Number Publication Date
JPS5273748A true JPS5273748A (en) 1977-06-21

Family

ID=15496561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50150421A Pending JPS5273748A (en) 1975-12-17 1975-12-17 Photo-modulator

Country Status (1)

Country Link
JP (1) JPS5273748A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59193419A (en) * 1983-04-18 1984-11-02 Fujitsu Ltd Optical switch
US4564267A (en) * 1982-01-07 1986-01-14 Canon Kabushiki Kaisha Variable-focal-length lens
US5022742A (en) * 1983-10-03 1991-06-11 The United States Of America As Represented By The Secretary Of The Navy Fast shutter for protection from electromagnetic radiation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4564267A (en) * 1982-01-07 1986-01-14 Canon Kabushiki Kaisha Variable-focal-length lens
JPS59193419A (en) * 1983-04-18 1984-11-02 Fujitsu Ltd Optical switch
JP2725765B2 (en) * 1983-04-18 1998-03-11 富士通株式会社 Polarization changing device for optical switch
US5022742A (en) * 1983-10-03 1991-06-11 The United States Of America As Represented By The Secretary Of The Navy Fast shutter for protection from electromagnetic radiation

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