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Bandwidth enhancement of graded index plastic optical fiber by control of differential mode attenuation
Author(s) -
Taisho Noda,
Yasuhiro Koike
Publication year - 2010
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.18.003128
Subject(s) - cladding (metalworking) , materials science , optics , attenuation , bandwidth (computing) , optical fiber , plastic optical fiber , hard clad silica optical fiber , multi mode optical fiber , composite material , telecommunications , physics , computer science
We propose a novel method of graded index plastic optical fiber (GI POF) to enhance bandwidth. Recently, it has been reported that perfluorinated GI POF with a double cladding structure had much higher bandwidth than theoretical value. The result of analysis of this fiber indicates that the high-bandwidth property is obtained because higher order modes are attenuated at a core and cladding polymer boundary. In addition, it does not induce large increment of attenuation of lower order modes and bending loss. Then, by adopting the rod-in-tube method, we control differential mode attenuation of PMMA based GI POF, and it is proved that bandwidth of GI POF can be enhanced by utilizing scattering of the core and cladding polymer boundary.

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