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Proceedings Paper

Ratiometric wavelength monitor based on X-type spectral response using two edge filters
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Paper Abstract

The performance of an all-fiber ratiometric wavelength measurement system is compared for the case of two edge filters and the case of one edge filter. The two fiber edge filters are used with overlapping and opposite slope spectral responses, a so called "X-type spectral response", each based on singlemode-multimode-singlemode (SMS) fiber structures. Noise and polarization dependent loss (PDL) are the two parameters that determine the resolution and an accuracy of the system. It is demonstrated that the use of two SMS edge filters for a ratiometric wavelength measurement system can increase the resolution and the accuracy when compared with a system using only one edge filter.

Paper Details

Date Published: 18 May 2009
PDF: 9 pages
Proc. SPIE 7356, Optical Sensors 2009, 73561N (18 May 2009); doi: 10.1117/12.820616
Show Author Affiliations
Agus Muhamad Hatta, Dublin Institute of Technology (Ireland)
Ginu Rajan, Dublin Institute of Technology (Ireland)
Gerald Farrell, Dublin Institute of Technology (Ireland)
Yuliya Semenova, Dublin Institute of Technology (Ireland)

Published in SPIE Proceedings Vol. 7356:
Optical Sensors 2009
Francesco Baldini; Jiri Homola; Robert A. Lieberman, Editor(s)

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