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Proceedings Paper

Cascaded long period gratings with nano-structured coatings
Author(s): Imran Ishaq; Stephen W. James; Geoffrey J. Ashwell; Ralph P. Tatam
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Paper Abstract

The response of the transmission spectrum of a pair of cascaded long period gratings (LPGs) to the deposition of nano-structured coatings using the Langmuir-Blodgett technique is investigated. The phase of the interference fringes within the LPGs’ attenuation bands are shown to be highly sensitive to the optical thickness of the coating, for thicknesses of order 100 nm.

Paper Details

Date Published: 23 May 2005
PDF: 4 pages
Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); doi: 10.1117/12.624270
Show Author Affiliations
Imran Ishaq, Cranfield Univ. (United Kingdom)
Stephen W. James, Cranfield Univ. (United Kingdom)
Geoffrey J. Ashwell, Cranfield Univ. (United Kingdom)
Ralph P. Tatam, Cranfield Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 5855:
17th International Conference on Optical Fibre Sensors
Marc Voet; Reinhardt Willsch; Wolfgang Ecke; Julian Jones; Brian Culshaw, Editor(s)

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