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JPS5254450A - Mode coupler - Google Patents

Mode coupler

Info

Publication number
JPS5254450A
JPS5254450A JP50130216A JP13021675A JPS5254450A JP S5254450 A JPS5254450 A JP S5254450A JP 50130216 A JP50130216 A JP 50130216A JP 13021675 A JP13021675 A JP 13021675A JP S5254450 A JPS5254450 A JP S5254450A
Authority
JP
Japan
Prior art keywords
mode coupler
opecial
bening
restric
bringing
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
JP50130216A
Other languages
Japanese (ja)
Inventor
Osamu Nakamura
Makoto Tsukamoto
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 JP50130216A priority Critical patent/JPS5254450A/en
Publication of JPS5254450A publication Critical patent/JPS5254450A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2581—Multimode transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Optical Communication System (AREA)
  • Optical Integrated Circuits (AREA)

Abstract

PURPOSE:To restric pulse expansion and reduce transmission loss by bening a multimode type opecial fiber by putting it between uneven surface and then bringing it into contact therewith under pressure.
JP50130216A 1975-10-28 1975-10-28 Mode coupler Pending JPS5254450A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50130216A JPS5254450A (en) 1975-10-28 1975-10-28 Mode coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50130216A JPS5254450A (en) 1975-10-28 1975-10-28 Mode coupler

Publications (1)

Publication Number Publication Date
JPS5254450A true JPS5254450A (en) 1977-05-02

Family

ID=15028855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50130216A Pending JPS5254450A (en) 1975-10-28 1975-10-28 Mode coupler

Country Status (1)

Country Link
JP (1) JPS5254450A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56161548U (en) * 1980-04-30 1981-12-01
WO1984001835A1 (en) * 1982-10-27 1984-05-10 Raychem Corp Optical fiber tap
JPS60134206A (en) * 1983-11-30 1985-07-17 ザ・ボード・オブ・トラステイーズ・オブ・ザ・レランド・スタンフオード・ジユニア・ユニバーシテイ fiber optical mode coupler
JPS60178409A (en) * 1984-02-27 1985-09-12 Yokogawa Hokushin Electric Corp Mode scrambler
US4557550A (en) * 1982-10-27 1985-12-10 Raychem Corporation Optical fiber taps
US4768851A (en) * 1983-11-30 1988-09-06 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic modal coupler, interferometer and method of coupling spatial modes using same
US4801189A (en) * 1983-11-30 1989-01-31 The Board Of Trustees Of The Leland Stanford Junior University Birefringent fiber narrowband polarization coupler and method of coupling using same
US4804248A (en) * 1986-12-22 1989-02-14 Corning Glass Works Data rate limiter for optical transmission system
JP2021067898A (en) * 2019-10-28 2021-04-30 アダマンド並木精密宝石株式会社 Light propagation device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56161548U (en) * 1980-04-30 1981-12-01
WO1984001835A1 (en) * 1982-10-27 1984-05-10 Raychem Corp Optical fiber tap
US4557550A (en) * 1982-10-27 1985-12-10 Raychem Corporation Optical fiber taps
JPS60134206A (en) * 1983-11-30 1985-07-17 ザ・ボード・オブ・トラステイーズ・オブ・ザ・レランド・スタンフオード・ジユニア・ユニバーシテイ fiber optical mode coupler
US4768851A (en) * 1983-11-30 1988-09-06 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic modal coupler, interferometer and method of coupling spatial modes using same
US4801189A (en) * 1983-11-30 1989-01-31 The Board Of Trustees Of The Leland Stanford Junior University Birefringent fiber narrowband polarization coupler and method of coupling using same
JPS60178409A (en) * 1984-02-27 1985-09-12 Yokogawa Hokushin Electric Corp Mode scrambler
US4804248A (en) * 1986-12-22 1989-02-14 Corning Glass Works Data rate limiter for optical transmission system
JP2021067898A (en) * 2019-10-28 2021-04-30 アダマンド並木精密宝石株式会社 Light propagation device
WO2021085406A1 (en) * 2019-10-28 2021-05-06 アダマンド並木精密宝石株式会社 Light propagation device

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