JPS5692504A - Optical filter - Google Patents

Optical filter

Info

Publication number
JPS5692504A
JPS5692504A JP17084179A JP17084179A JPS5692504A JP S5692504 A JPS5692504 A JP S5692504A JP 17084179 A JP17084179 A JP 17084179A JP 17084179 A JP17084179 A JP 17084179A JP S5692504 A JPS5692504 A JP S5692504A
Authority
JP
Japan
Prior art keywords
fibers
parallel
grating
light
tooth
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.)
Granted
Application number
JP17084179A
Other languages
English (en)
Other versions
JPS6251441B2 (ja
Inventor
Shigefumi Masuda
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 JP17084179A priority Critical patent/JPS5692504A/ja
Publication of JPS5692504A publication Critical patent/JPS5692504A/ja
Publication of JPS6251441B2 publication Critical patent/JPS6251441B2/ja
Granted 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
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Filters (AREA)
JP17084179A 1979-12-27 1979-12-27 Optical filter Granted JPS5692504A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17084179A JPS5692504A (en) 1979-12-27 1979-12-27 Optical filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17084179A JPS5692504A (en) 1979-12-27 1979-12-27 Optical filter

Publications (2)

Publication Number Publication Date
JPS5692504A true JPS5692504A (en) 1981-07-27
JPS6251441B2 JPS6251441B2 (ja) 1987-10-30

Family

ID=15912313

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17084179A Granted JPS5692504A (en) 1979-12-27 1979-12-27 Optical filter

Country Status (1)

Country Link
JP (1) JPS5692504A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61231511A (ja) * 1985-04-08 1986-10-15 Hitachi Ltd 光合分波器
JPS61284708A (ja) * 1985-06-12 1986-12-15 Hitachi Ltd 光合分波装置
EP2711752A2 (en) * 2012-09-24 2014-03-26 T&S Communications Co., Ltd. Optical fiber grating tracker and method for detecting optical fiber line fault
WO2024180735A1 (ja) * 2023-03-01 2024-09-06 日本電信電話株式会社 側面研磨光ファイバを用いた合分波カプラの光分岐比調整方法及び光分岐比調整装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61231511A (ja) * 1985-04-08 1986-10-15 Hitachi Ltd 光合分波器
JPS61284708A (ja) * 1985-06-12 1986-12-15 Hitachi Ltd 光合分波装置
EP2711752A2 (en) * 2012-09-24 2014-03-26 T&S Communications Co., Ltd. Optical fiber grating tracker and method for detecting optical fiber line fault
US20140085626A1 (en) * 2012-09-24 2014-03-27 T&S Communications Co., Ltd. Optical fiber grating tracker and method for detecting optical fiber line fault
US9304258B2 (en) * 2012-09-24 2016-04-05 T&S Communications Co., Ltd. Optical fiber grating tracker and method for detecting optical fiber line fault
EP3217571A1 (en) * 2012-09-24 2017-09-13 T&S Communications Co., Ltd. Optical fiber grating tracker and method for detecting optical fiber line fault
WO2024180735A1 (ja) * 2023-03-01 2024-09-06 日本電信電話株式会社 側面研磨光ファイバを用いた合分波カプラの光分岐比調整方法及び光分岐比調整装置

Also Published As

Publication number Publication date
JPS6251441B2 (ja) 1987-10-30

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