Cascaded long period gratings with nano-structured coatings

Imran Ishaq; Stephen W. James; Geoffrey J. Ashwell; Ralph P. Tatam

doi:10.1117/12.624270

23 May 2005 Cascaded long period gratings with nano-structured coatings

Imran Ishaq, Stephen W. James, Geoffrey J. Ashwell, Ralph P. Tatam

Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.624270
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium

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.

Citation Download Citation

Imran Ishaq, Stephen W. James, Geoffrey J. Ashwell, and Ralph P. Tatam "Cascaded long period gratings with nano-structured coatings", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.624270

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