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Title: Optimization of 3-hole-assisted PMMA optical fiber with double cladding for UV-induced FBG fabrication
Authors: Cheng, KCD
Tse, MLV
Zhou, G
Pun, CFJ
Chan, WKE
Lu, C 
Wai, PKA 
Tam, HY 
Keywords: Fiber Bragg gratings
Fiber lasers
Integrated optoelectronics
Optical materials
Phase transitions
Issue Date: 16-Feb-2009
Publisher: Optical Society of America
Source: Optics express, 16 Feb. 2009, v. 17, no. 4, p. 2080-2088 How to cite?
Journal: Optics express 
Abstract: We propose a new hole-assisted polymer optical fiber design to eliminate the influence of dopant diffusion and to increase the UV writing efficiency in fiber Bragg grating inscription. The optical waveguide is formed inside a solid core surrounded by a ring of 3 large air holes in enhanced UV photosensitive PMMA with double-cladding. We determined a map of the single-mode and multi-mode phase transitions using a finite-element–based vectorial optical mode solver. We obtained a wide range of geometrical configuration for the single-transverse-mode (HE11) propagation in the visible. The design is optimized to operate at the minimum optical loss wavelengths of 580 nm and 770 nm.
ISSN: 1094-4087
DOI: 10.1364/OE.17.002080
Rights: © 2009 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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