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Proceedings Paper

Single and multi-passband broadband moire filters from dual exposure of uniform-period and chirped phase masks
Author(s): Kate Sugden; Lorna A. Everall; John A. R. Williams; Ian Bennion
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Paper Abstract

In-fiber chirped Moire resonators are excellent filters in terms of fiber compatibility, and can potentially provide wide stopbands, narrow passbands and high rejection levels. This paper describes the realization of chirped Moire in- fiber filters written using phase mask techniques. The filters described here were fabricated both from the dual exposure of a uniform-pitch phase mask followed by a third refractive index profiling scan and from the dual exposure of chirped phase masks. These techniques produce filters that replicate the broad bandwidths associated with holographic techniques and have the advantage of the good reproducibility associated with the use of phase masks.

Paper Details

Date Published: 23 January 1997
PDF: 6 pages
Proc. SPIE 2998, Photosensitive Optical Materials and Devices, (23 January 1997); doi: 10.1117/12.264196
Show Author Affiliations
Kate Sugden, Aston Univ. (United Kingdom)
Lorna A. Everall, Aston Univ. (United Kingdom)
John A. R. Williams, Aston Univ. (United Kingdom)
Ian Bennion, Aston Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 2998:
Photosensitive Optical Materials and Devices
Mark P. Andrews, Editor(s)

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