JPS5651702A - Light attenuator - Google Patents

Light attenuator

Info

Publication number
JPS5651702A
JPS5651702A JP12832879A JP12832879A JPS5651702A JP S5651702 A JPS5651702 A JP S5651702A JP 12832879 A JP12832879 A JP 12832879A JP 12832879 A JP12832879 A JP 12832879A JP S5651702 A JPS5651702 A JP S5651702A
Authority
JP
Japan
Prior art keywords
refractive index
specific refractive
abscissa
ordinate
index differences
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
JP12832879A
Other languages
English (en)
Other versions
JPS5817926B2 (ja
Inventor
Masamitsu Tokuda
Yasuyuki Sugawara
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.)
Fujikura Ltd
NTT Inc
Original Assignee
Fujikura Ltd
Nippon Telegraph and Telephone Corp
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 Fujikura Ltd, Nippon Telegraph and Telephone Corp filed Critical Fujikura Ltd
Priority to JP54128328A priority Critical patent/JPS5817926B2/ja
Publication of JPS5651702A publication Critical patent/JPS5651702A/ja
Publication of JPS5817926B2 publication Critical patent/JPS5817926B2/ja
Expired 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
    • G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Light Guides In General And Applications Therefor (AREA)
JP54128328A 1979-10-04 1979-10-04 光減衰器 Expired JPS5817926B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54128328A JPS5817926B2 (ja) 1979-10-04 1979-10-04 光減衰器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54128328A JPS5817926B2 (ja) 1979-10-04 1979-10-04 光減衰器

Publications (2)

Publication Number Publication Date
JPS5651702A true JPS5651702A (en) 1981-05-09
JPS5817926B2 JPS5817926B2 (ja) 1983-04-11

Family

ID=14982062

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54128328A Expired JPS5817926B2 (ja) 1979-10-04 1979-10-04 光減衰器

Country Status (1)

Country Link
JP (1) JPS5817926B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4498195A (en) * 1982-03-05 1985-02-05 Nippon Telegraph & Telephone Public Corporation Radio interference detection device for use in a multi-channel access angle-modulation radio system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4498195A (en) * 1982-03-05 1985-02-05 Nippon Telegraph & Telephone Public Corporation Radio interference detection device for use in a multi-channel access angle-modulation radio system

Also Published As

Publication number Publication date
JPS5817926B2 (ja) 1983-04-11

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