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Proceedings Paper

Design and fabrication of sol-gel microlens array as a fiber-to-fiber and fiber-to-waveguide coupler
Author(s): Weixing Yu; Xiaocong Yuan; Nam Quoc Ngo; Vladimir Kudryashov
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Paper Abstract

This paper describes the design and fabrication of a microlens array in photosensitive hybrid sol-gel glass to enhance the coupling efficiency of fiber-to-fiber and fiber-to-waveguide systems. The Code V software is employed in the design and simulation of the microlens array with a theoretical coupling efficiency of as high as 0.18 dB (or 96%). The proposed technique can also be used for the fabrication of thick micro-optical elements in sol-gel materials, and it can open up great opportunities for fabrication of microlenses with a high numerical aperture and thick diffractive optical elements in future.

Paper Details

Date Published: 29 December 2003
PDF: 8 pages
Proc. SPIE 5347, Micromachining Technology for Micro-Optics and Nano-Optics II, (29 December 2003);
Show Author Affiliations
Weixing Yu, Nanyang Technological Univ. (Singapore)
Xiaocong Yuan, Nanyang Technological Univ. (Singapore)
Nam Quoc Ngo, Nanyang Technological Univ. (Singapore)
Vladimir Kudryashov, Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 5347:
Micromachining Technology for Micro-Optics and Nano-Optics II
Eric G. Johnson; Gregory P. Nordin, Editor(s)

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