NDLI: High-Bandwidth PVDF-Clad GI POF With Ultra-Low Bending Loss

Content Provider	IEEE Xplore Digital Library
Author	Ishigure, T. Aruga, Y. Koike, Y.
Copyright Year	1983
Abstract	We propose a poly vinylidene fluoride (PVDF)-clad graded index plastic optical fiber (GI POF) which exhibits excellent mechanical strength and low bending loss property. A main concern of PVDF-clad GI POFs is the bandwidth degradation due to its specific waveguide structure compared to the conventional poly-methyl-methacrylate (PMMA)-based GI POF. We design the index profile of PVDF-clad GI POFs to maintain high bandwidth under a restricted mode launch condition. However, when mode coupling exists in PVDF-clad GI POFs, the bandwidth can be degraded. Hence, for high bandwidth performance, we investigate a way to reduce the mode coupling in PVDF-clad GI POFs. We find that the fiber numerical aperture (NA) is a key factor in controlling the mode coupling. By adjusting the NA of the GI core region to be as high as 0.17, bandwidth higher than 2 GHz for 100 m distance is achieved by the PVDF-clad GI POF. In addition, the propagating mode properties of the optimized PVDF-clad GI POF are investigated, particularly when the fiber is statically bent, because such a fiber bending can enhance mode coupling. We find that the high bandwidth performance is maintained in the PVDF-clad GI POF, even under severe bending conditions if the GI core region has an NA of 0.17
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	335
Ending Page	345
Page Count	11
File Size	1126130
File Format	PDF
ISSN	07338724
Volume Number	25
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical fibers Bandwidth Optical fiber losses Plastics Mechanical factors Apertures Refractive index Attenuation Vertical cavity surface emitting lasers Degradation restricted mode launch condition (RML) Bending loss graded index plastic optical fiber (GI POF) mode coupling numerical aperture (NA) poly vinylidene fluoride (PVDF)
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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