JPS5622404A - Optical switch monitor system - Google Patents

Optical switch monitor system

Info

Publication number
JPS5622404A
JPS5622404A JP9820879A JP9820879A JPS5622404A JP S5622404 A JPS5622404 A JP S5622404A JP 9820879 A JP9820879 A JP 9820879A JP 9820879 A JP9820879 A JP 9820879A JP S5622404 A JPS5622404 A JP S5622404A
Authority
JP
Japan
Prior art keywords
output
optical switch
optical fiber
optical
photoelectric
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
JP9820879A
Other languages
Japanese (ja)
Inventor
Koichi Shimoi
Masamichi Iwama
Tetsuo Murase
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP9820879A priority Critical patent/JPS5622404A/en
Publication of JPS5622404A publication Critical patent/JPS5622404A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3586—Control or adjustment details, e.g. calibrating
    • G02B6/3588—Control or adjustment details, e.g. calibrating of the processed beams, i.e. controlling during switching of orientation, alignment, or beam propagation properties such as intensity, size or shape
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3502—Optical coupling means having switching means involving direct waveguide displacement, e.g. cantilever type waveguide displacement involving waveguide bending, or displacing an interposed waveguide between stationary waveguides
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
    • G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
    • G02B6/3548—1xN switch, i.e. one input and a selectable single output of N possible outputs
    • G02B6/355—1x2 switch, i.e. one input and a selectable single output of two possible outputs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)

Abstract

PURPOSE:To improve reliability of the system using an optical switch, by detecting light leakage by a photoelectric transducer to discriminate the trouble of the optical switch when the switching operation is incomplete. CONSTITUTION:Photoelectric transducers 10 and 11 are provided near ends of optical fibers 2 and 3 in the receiving side, and outputs of photoelectric transducers 10 and 11 are applied to detecting circuits 12 and 13, and alarm signals ALM1 and ALM2 are output for the input of a prescribed level or more. For example, when optical fiber 1 in the light source side is not switched and connected to optical fiber 2 in the receiving side surely as shown by the dotted line, the light signal from optical fiber 1 in the light source side is leaked and is incident onto photoelectric transducer 10. When it is detected by detecting circuit 12 that the output of this photoelectric transducer is an allowable level or more, alarm signal ALM1 is output. Consequently, it can be discriminated easily that the switching operation between optical fibers 1 and 2 is incomplete.
JP9820879A 1979-07-31 1979-07-31 Optical switch monitor system Pending JPS5622404A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9820879A JPS5622404A (en) 1979-07-31 1979-07-31 Optical switch monitor system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9820879A JPS5622404A (en) 1979-07-31 1979-07-31 Optical switch monitor system

Publications (1)

Publication Number Publication Date
JPS5622404A true JPS5622404A (en) 1981-03-03

Family

ID=14213559

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9820879A Pending JPS5622404A (en) 1979-07-31 1979-07-31 Optical switch monitor system

Country Status (1)

Country Link
JP (1) JPS5622404A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58158607A (en) * 1982-02-26 1983-09-20 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン Optical switching unit
US5206701A (en) * 1991-09-20 1993-04-27 Amoco Corporation Apparatus for near-infrared spectrophotometric analysis
US5223715A (en) * 1991-09-20 1993-06-29 Amoco Corporation Process for spectrophotometric analysis

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5087338A (en) * 1973-12-03 1975-07-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5087338A (en) * 1973-12-03 1975-07-14

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58158607A (en) * 1982-02-26 1983-09-20 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン Optical switching unit
US5206701A (en) * 1991-09-20 1993-04-27 Amoco Corporation Apparatus for near-infrared spectrophotometric analysis
US5223715A (en) * 1991-09-20 1993-06-29 Amoco Corporation Process for spectrophotometric analysis

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