JPS51132903A - Light transmission apparatus - Google Patents

Light transmission apparatus

Info

Publication number
JPS51132903A
JPS51132903A JP50058272A JP5827275A JPS51132903A JP S51132903 A JPS51132903 A JP S51132903A JP 50058272 A JP50058272 A JP 50058272A JP 5827275 A JP5827275 A JP 5827275A JP S51132903 A JPS51132903 A JP S51132903A
Authority
JP
Japan
Prior art keywords
transmission apparatus
light transmission
light
transmission
malti
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
JP50058272A
Other languages
Japanese (ja)
Inventor
Naomasa Hanano
Mitsuhiro Motegi
Hiroshi Nishihara
Jiro Koyama
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 JP50058272A priority Critical patent/JPS51132903A/en
Publication of JPS51132903A publication Critical patent/JPS51132903A/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
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29305—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
    • G02B6/2931—Diffractive element operating in reflection
    • 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
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29305—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
    • G02B6/29311—Diffractive element operating in transmission

Abstract

PURPOSE:A light transmission apparatus, which is made as the malti-transmission of the light can be easily performed on the light communication system.
JP50058272A 1975-05-14 1975-05-14 Light transmission apparatus Pending JPS51132903A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50058272A JPS51132903A (en) 1975-05-14 1975-05-14 Light transmission apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50058272A JPS51132903A (en) 1975-05-14 1975-05-14 Light transmission apparatus

Publications (1)

Publication Number Publication Date
JPS51132903A true JPS51132903A (en) 1976-11-18

Family

ID=13079533

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50058272A Pending JPS51132903A (en) 1975-05-14 1975-05-14 Light transmission apparatus

Country Status (1)

Country Link
JP (1) JPS51132903A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54138305A (en) * 1978-04-19 1979-10-26 Mitsubishi Electric Corp Transmission unit of optical multiplex modulation
JPS60164708A (en) * 1984-02-07 1985-08-27 Shimadzu Corp Optical coupling device
JPH022503A (en) * 1988-01-04 1990-01-08 Pencom Internatl Corp Integrated fiber optical transmitter/receiver

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50105002A (en) * 1974-01-18 1975-08-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50105002A (en) * 1974-01-18 1975-08-19

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54138305A (en) * 1978-04-19 1979-10-26 Mitsubishi Electric Corp Transmission unit of optical multiplex modulation
JPS60164708A (en) * 1984-02-07 1985-08-27 Shimadzu Corp Optical coupling device
JPH022503A (en) * 1988-01-04 1990-01-08 Pencom Internatl Corp Integrated fiber optical transmitter/receiver

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