JP2005164714A5 - - Google Patents
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- JP2005164714A5 JP2005164714A5 JP2003400439A JP2003400439A JP2005164714A5 JP 2005164714 A5 JP2005164714 A5 JP 2005164714A5 JP 2003400439 A JP2003400439 A JP 2003400439A JP 2003400439 A JP2003400439 A JP 2003400439A JP 2005164714 A5 JP2005164714 A5 JP 2005164714A5
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- JP
- Japan
- Prior art keywords
- core
- clad
- optical fiber
- plastic optical
- mass
- 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.)
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Claims (4)
<化1>
CF2=CF−(OCF2CF(CF3))aO-Rf2 (I)
(式中、Rf2は炭素原子数が1〜8個のアルキル基、フルオロアルキル基、アルコキシルアルキル基またはフルオロアルコキシルアルキル基を示し、aは0〜3の整数。)
で表されるフルオロビニル化合物の単位3〜40質量%を含む共重合体からなることを特徴としたマルチコアプラスチック光ファイバ。 A multi-core plastic optical fiber in which seven or more core fibers are bundled, wherein the core is made of polymethyl methacrylate or a copolymer of at least one vinyl monomer and methyl methacrylate; A clad composed of at least one layer disposed on the outer periphery of the clad, wherein the outermost layer of the clad is composed of 1 to 30% by mass of vinylidene fluoride units, 30 to 85% by mass of tetrafluoroethylene units, and the following general formula (I)
<Formula 1>
CF 2 = CF- (OCF 2 CF (CF 3)) a O-Rf 2 (I)
(In the formula, Rf 2 represents an alkyl group having 1 to 8 carbon atoms, a fluoroalkyl group, an alkoxylalkyl group or a fluoroalkoxylalkyl group, and a is an integer of 0 to 3.)
A multi-core plastic optical fiber comprising a copolymer containing 3 to 40% by mass of a unit of a fluorovinyl compound represented by the formula:
ナトリウムD線による25℃での、コアの屈折率をn1、第1クラッドの屈折率をn2、第2クラッドの屈折率をn3とすると、n1、n2及びn3が下記の関係式(1)
<数1>
n1>n2>n3 (1)
を満足することを特徴とした、請求項1に記載のマルチコアプラスチック光ファイバ。 The clad has a two-layer structure in which the first clad and the second clad are laminated in this order on the outer periphery of the core,
When the refractive index of the core at 25 ° C. by the sodium D line is n 1 , the refractive index of the first cladding is n 2 , and the refractive index of the second cladding is n 3 , n 1 , n 2, and n 3 are Relational expression (1)
<Equation 1>
n 1 > n 2 > n 3 (1)
The multi-core plastic optical fiber according to claim 1, wherein:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003400439A JP2005164714A (en) | 2003-11-28 | 2003-11-28 | Multicore plastic optical fiber and multicore plastic optical fiber cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003400439A JP2005164714A (en) | 2003-11-28 | 2003-11-28 | Multicore plastic optical fiber and multicore plastic optical fiber cable |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005164714A JP2005164714A (en) | 2005-06-23 |
JP2005164714A5 true JP2005164714A5 (en) | 2007-01-25 |
Family
ID=34724709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003400439A Pending JP2005164714A (en) | 2003-11-28 | 2003-11-28 | Multicore plastic optical fiber and multicore plastic optical fiber cable |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2005164714A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5654370B2 (en) * | 2011-01-31 | 2015-01-14 | 旭化成イーマテリアルズ株式会社 | Multi-core plastic optical fiber and cable |
JPWO2015001990A1 (en) * | 2013-07-04 | 2017-02-23 | 住友電気工業株式会社 | Multicore optical fiber and multicore optical fiber cable |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02195302A (en) * | 1989-01-24 | 1990-08-01 | Daikin Ind Ltd | Optical fiber |
JP3110826B2 (en) * | 1991-11-11 | 2000-11-20 | 旭化成工業株式会社 | Heat resistant optical fiber cable and method of manufacturing the same |
JP3850962B2 (en) * | 1997-09-19 | 2006-11-29 | 旭化成エレクトロニクス株式会社 | Multicore plastic optical fiber bare wire, strand and cable using the same |
JPH11101915A (en) * | 1997-09-26 | 1999-04-13 | Asahi Chem Ind Co Ltd | Plastic optical fiber raw wire, wire and cable |
JP4002022B2 (en) * | 1997-12-19 | 2007-10-31 | 旭化成エレクトロニクス株式会社 | Heat-resistant multicore plastic optical fiber and cable for optical signal transmission |
JP4310899B2 (en) * | 2000-07-19 | 2009-08-12 | 東レ株式会社 | High numerical aperture plastic optical fiber |
JP4556365B2 (en) * | 2000-08-30 | 2010-10-06 | 東レ株式会社 | Plastic optical fiber and plastic optical fiber cord |
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2003
- 2003-11-28 JP JP2003400439A patent/JP2005164714A/en active Pending
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