JPS57161827A - Optical changeover switch - Google Patents

Optical changeover switch

Info

Publication number
JPS57161827A
JPS57161827A JP4769981A JP4769981A JPS57161827A JP S57161827 A JPS57161827 A JP S57161827A JP 4769981 A JP4769981 A JP 4769981A JP 4769981 A JP4769981 A JP 4769981A JP S57161827 A JPS57161827 A JP S57161827A
Authority
JP
Japan
Prior art keywords
prisms
luminous flux
polarizing
polarizing prisms
beta
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.)
Granted
Application number
JP4769981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6318171B2 (enrdf_load_stackoverflow
Inventor
Hideto Iwaoka
Sunao Sugiyama
Akira Ote
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
Yokogawa Hokushin Electric Corp
Yokogawa Electric Works 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 Yokogawa Electric Corp, Yokogawa Hokushin Electric Corp, Yokogawa Electric Works Ltd filed Critical Yokogawa Electric Corp
Priority to JP4769981A priority Critical patent/JPS57161827A/ja
Publication of JPS57161827A publication Critical patent/JPS57161827A/ja
Publication of JPS6318171B2 publication Critical patent/JPS6318171B2/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
    • 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
    • G02F1/29—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 position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
JP4769981A 1981-03-31 1981-03-31 Optical changeover switch Granted JPS57161827A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4769981A JPS57161827A (en) 1981-03-31 1981-03-31 Optical changeover switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4769981A JPS57161827A (en) 1981-03-31 1981-03-31 Optical changeover switch

Publications (2)

Publication Number Publication Date
JPS57161827A true JPS57161827A (en) 1982-10-05
JPS6318171B2 JPS6318171B2 (enrdf_load_stackoverflow) 1988-04-18

Family

ID=12782532

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4769981A Granted JPS57161827A (en) 1981-03-31 1981-03-31 Optical changeover switch

Country Status (1)

Country Link
JP (1) JPS57161827A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60189732A (ja) * 1984-03-09 1985-09-27 Yokogawa Hokushin Electric Corp 光ネツトワ−ク用光スイツチ
JPS60237433A (ja) * 1984-05-11 1985-11-26 Agency Of Ind Science & Technol 多チヤンネル光スイツチ
US4747651A (en) * 1985-03-14 1988-05-31 Daimler-Benz Aktiengesellschaft Three-way start splitter for optical wave guides
US4923269A (en) * 1987-01-29 1990-05-08 British Telecommunications Public Limited Company Bidirectional optical space switch

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60189732A (ja) * 1984-03-09 1985-09-27 Yokogawa Hokushin Electric Corp 光ネツトワ−ク用光スイツチ
JPS60237433A (ja) * 1984-05-11 1985-11-26 Agency Of Ind Science & Technol 多チヤンネル光スイツチ
US4747651A (en) * 1985-03-14 1988-05-31 Daimler-Benz Aktiengesellschaft Three-way start splitter for optical wave guides
US4923269A (en) * 1987-01-29 1990-05-08 British Telecommunications Public Limited Company Bidirectional optical space switch

Also Published As

Publication number Publication date
JPS6318171B2 (enrdf_load_stackoverflow) 1988-04-18

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