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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 4, Iss. 4 — Apr. 1, 2009

Optimization of 3-hole-assisted PMMA optical fiber with double cladding for UV-induced FBG fabrication

Kei-Chun Davis Cheng, Ming-Leung Vincent Tse, Guiyao Zhou, Chi-Fung Jeff Pun, Wing-Kin Edward Chan, C. Lu, P. K. A. Wai, and Hwa-yaw Tam  »View Author Affiliations

Optics Express, Vol. 17, Issue 4, pp. 2080-2088 (2009)

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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.

© 2009 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.3738) Fiber optics and optical communications : Fiber Bragg gratings, photosensitivity
(060.4005) Fiber optics and optical communications : Microstructured fibers

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: December 16, 2008
Revised Manuscript: January 22, 2009
Manuscript Accepted: January 23, 2009
Published: February 2, 2009

Virtual Issues
Vol. 4, Iss. 4 Virtual Journal for Biomedical Optics

Kei-Chun D. Cheng, Ming-Leung V. Tse, Guiyao Zhou, Chi-Fung J. Pun, Wing-Kin E. Chan, C. Lu, P. K. Wai, and Hwa-yaw Tam, "Optimization of 3-hole-assisted PMMA optical fiber with double cladding for UV-induced FBG fabrication," Opt. Express 17, 2080-2088 (2009)

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