JPWO2021187475A1 - - Google Patents

Info

Publication number
JPWO2021187475A1
JPWO2021187475A1 JP2022508374A JP2022508374A JPWO2021187475A1 JP WO2021187475 A1 JPWO2021187475 A1 JP WO2021187475A1 JP 2022508374 A JP2022508374 A JP 2022508374A JP 2022508374 A JP2022508374 A JP 2022508374A JP WO2021187475 A1 JPWO2021187475 A1 JP WO2021187475A1
Authority
JP
Japan
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
JP2022508374A
Other versions
JPWO2021187475A5 (ja
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 filed Critical
Publication of JPWO2021187475A1 publication Critical patent/JPWO2021187475A1/ja
Publication of JPWO2021187475A5 publication Critical patent/JPWO2021187475A5/ja
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
    • G02B6/03616—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
    • G02B6/03638—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 3 layers only
    • G02B6/03655—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 3 layers only arranged - + +
    • 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
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0283—Graded index region external to the central core segment, e.g. sloping layer or triangular or trapezoidal layer
    • G02B6/0285—Graded index layer adjacent to the central core segment and ending at the outer cladding index
    • 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
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • 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
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0283—Graded index region external to the central core segment, e.g. sloping layer or triangular or trapezoidal layer
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Glass Compositions (AREA)
JP2022508374A 2020-03-17 2021-03-16 Pending JPWO2021187475A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020046648 2020-03-17
PCT/JP2021/010590 WO2021187475A1 (ja) 2020-03-17 2021-03-16 光ファイバ

Publications (2)

Publication Number Publication Date
JPWO2021187475A1 true JPWO2021187475A1 (ja) 2021-09-23
JPWO2021187475A5 JPWO2021187475A5 (ja) 2022-11-21

Family

ID=77771140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022508374A Pending JPWO2021187475A1 (ja) 2020-03-17 2021-03-16

Country Status (7)

Country Link
US (1) US11774672B2 (ja)
EP (1) EP4123350A4 (ja)
JP (1) JPWO2021187475A1 (ja)
KR (1) KR20220144793A (ja)
CN (1) CN114641714A (ja)
BR (1) BR112022008355A2 (ja)
WO (1) WO2021187475A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023042769A1 (ja) * 2021-09-16 2023-03-23 古河電気工業株式会社 光ファイバ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4127868C2 (de) * 1991-08-22 1994-11-10 Rheydt Kabelwerk Ag Einmoden-Faser mit rampenförmigem Brechzahl-Profil
JP5342614B2 (ja) 2011-08-09 2013-11-13 古河電気工業株式会社 光ファイバ母材および光ファイバの製造方法
CN107111055B (zh) 2014-09-26 2020-02-21 株式会社藤仓 光纤
JP6321589B2 (ja) 2015-07-17 2018-05-09 株式会社フジクラ 光ファイバ
NL2019876B1 (en) 2017-10-20 2019-04-29 Corning Inc Optical fiber preforms with halogen doping
JP2020046648A (ja) 2018-09-20 2020-03-26 摂津化成株式会社 見本帳

Also Published As

Publication number Publication date
BR112022008355A2 (pt) 2022-10-18
KR20220144793A (ko) 2022-10-27
US20230037687A1 (en) 2023-02-09
WO2021187475A1 (ja) 2021-09-23
EP4123350A1 (en) 2023-01-25
US11774672B2 (en) 2023-10-03
EP4123350A4 (en) 2023-09-13
CN114641714A (zh) 2022-06-17

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Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220413

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240221