JPS54102135A - Optical path changeover device - Google Patents

Optical path changeover device

Info

Publication number
JPS54102135A
JPS54102135A JP836578A JP836578A JPS54102135A JP S54102135 A JPS54102135 A JP S54102135A JP 836578 A JP836578 A JP 836578A JP 836578 A JP836578 A JP 836578A JP S54102135 A JPS54102135 A JP S54102135A
Authority
JP
Japan
Prior art keywords
optical
side optical
central axis
optical fiber
changeover
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
JP836578A
Other languages
Japanese (ja)
Inventor
Akira Ishikawa
Kazuhisa Kaede
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP836578A priority Critical patent/JPS54102135A/en
Publication of JPS54102135A publication Critical patent/JPS54102135A/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
    • G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
    • G02B6/3524—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being refractive
    • 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
    • G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
    • G02B6/3524—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being refractive
    • G02B6/3526—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being refractive the optical element being a lens
    • 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

Landscapes

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

Abstract

PURPOSE:To perform changing over of optical paths with low loss by letting a focusing type optical transmission body whose length on the central axis is nearly 1/4 period to the zigzag periods of light and which is formed with a reflecting film at the end face rotate with respect to a plurality of parallel optical fibers. CONSTITUTION:A stationary side optical fiber 101 and changeover changeover side optical fibers 102, 103 are parallel disposed. A focusing type optical transmission body 200 whose length on the optical center is nearly 1/4 period to the zigzag periods of light and which is formed with a reflecting film 300 at its end face is provided to the end faces thereof and further the central axis (x) thereof is shifted in parallel to the central axis x' of a rotating part 201 and the rotator 201 is so constituted as to rotate about the stationary side optical fiber 101. As a result, the light out from the stationary side optical fiber 101 is reflected by the reflecting film 300, propagates in the optical path b2 and enters the changeover side optical fiber 102 and therefore the optical path may be changed over to the fiber 103 with low loss by rotating the rotator 201.
JP836578A 1978-01-30 1978-01-30 Optical path changeover device Pending JPS54102135A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP836578A JPS54102135A (en) 1978-01-30 1978-01-30 Optical path changeover device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP836578A JPS54102135A (en) 1978-01-30 1978-01-30 Optical path changeover device

Publications (1)

Publication Number Publication Date
JPS54102135A true JPS54102135A (en) 1979-08-11

Family

ID=11691200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP836578A Pending JPS54102135A (en) 1978-01-30 1978-01-30 Optical path changeover device

Country Status (1)

Country Link
JP (1) JPS54102135A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5754915A (en) * 1980-09-19 1982-04-01 Nippon Sheet Glass Co Ltd Optical deflector
US4927225A (en) * 1989-05-30 1990-05-22 Finisar Corporation 2×2 Optical bypass switch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5754915A (en) * 1980-09-19 1982-04-01 Nippon Sheet Glass Co Ltd Optical deflector
JPH0131167B2 (en) * 1980-09-19 1989-06-23 Nippon Sheet Glass Co Ltd
US4927225A (en) * 1989-05-30 1990-05-22 Finisar Corporation 2×2 Optical bypass switch

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