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JPS51133041A - Light transmission fiber - Google Patents

Light transmission fiber

Info

Publication number
JPS51133041A
JPS51133041A JP50057863A JP5786375A JPS51133041A JP S51133041 A JPS51133041 A JP S51133041A JP 50057863 A JP50057863 A JP 50057863A JP 5786375 A JP5786375 A JP 5786375A JP S51133041 A JPS51133041 A JP S51133041A
Authority
JP
Japan
Prior art keywords
light transmission
transmission fiber
reduction
light transmitted
clad layer
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
JP50057863A
Other languages
Japanese (ja)
Inventor
Tsuneo Nakahara
Masao Hoshikawa
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP50057863A priority Critical patent/JPS51133041A/en
Publication of JPS51133041A publication Critical patent/JPS51133041A/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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03605—Highest refractive index not on central axis
    • G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
    • G02B6/03627—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - +

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)

Abstract

PURPOSE: Reduction of transmission pulse distortion by giving damping to the light transmitted with the outside clad layer.
COPYRIGHT: (C)1976,JPO&Japio
JP50057863A 1975-05-14 1975-05-14 Light transmission fiber Pending JPS51133041A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50057863A JPS51133041A (en) 1975-05-14 1975-05-14 Light transmission fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50057863A JPS51133041A (en) 1975-05-14 1975-05-14 Light transmission fiber

Publications (1)

Publication Number Publication Date
JPS51133041A true JPS51133041A (en) 1976-11-18

Family

ID=13067822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50057863A Pending JPS51133041A (en) 1975-05-14 1975-05-14 Light transmission fiber

Country Status (1)

Country Link
JP (1) JPS51133041A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52106748A (en) * 1976-02-16 1977-09-07 Nippon Telegr & Teleph Corp <Ntt> Light transmission channel
JPS5441747A (en) * 1977-09-08 1979-04-03 Nippon Telegr & Teleph Corp <Ntt> Dielectric line
JPS59175120A (en) * 1983-03-24 1984-10-03 Agency Of Ind Science & Technol Beam shape forming device
WO1999018461A1 (en) * 1997-10-02 1999-04-15 Sumitomo Electric Industries, Ltd. Dispersion shift optical fiber
US6181858B1 (en) 1997-02-12 2001-01-30 Sumitomo Electric Industries, Ltd. Dispersion-shifted fiber
JP2015132841A (en) * 2009-09-14 2015-07-23 アイピージー フォトニクス コーポレーション Multimode fiber
JP6104489B1 (en) * 2016-07-04 2017-03-29 三菱電機株式会社 Laser apparatus and laser processing machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831961A (en) * 1971-08-29 1973-04-26
JPS4966146A (en) * 1972-09-11 1974-06-26
JPS5026556A (en) * 1973-07-06 1975-03-19

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831961A (en) * 1971-08-29 1973-04-26
JPS4966146A (en) * 1972-09-11 1974-06-26
JPS5026556A (en) * 1973-07-06 1975-03-19

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52106748A (en) * 1976-02-16 1977-09-07 Nippon Telegr & Teleph Corp <Ntt> Light transmission channel
JPS5441747A (en) * 1977-09-08 1979-04-03 Nippon Telegr & Teleph Corp <Ntt> Dielectric line
JPS59175120A (en) * 1983-03-24 1984-10-03 Agency Of Ind Science & Technol Beam shape forming device
US6181858B1 (en) 1997-02-12 2001-01-30 Sumitomo Electric Industries, Ltd. Dispersion-shifted fiber
WO1999018461A1 (en) * 1997-10-02 1999-04-15 Sumitomo Electric Industries, Ltd. Dispersion shift optical fiber
US6229946B1 (en) 1997-10-02 2001-05-08 Sumitomo Chemical Company, Ltd. Dispersion-shifted optical fiber
JP2015132841A (en) * 2009-09-14 2015-07-23 アイピージー フォトニクス コーポレーション Multimode fiber
JP6104489B1 (en) * 2016-07-04 2017-03-29 三菱電機株式会社 Laser apparatus and laser processing machine
WO2018008073A1 (en) * 2016-07-04 2018-01-11 三菱電機株式会社 Laser apparatus and laser processing machine
TWI641439B (en) * 2016-07-04 2018-11-21 三菱電機股份有限公司 Laser apparatus and laser processing machine

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