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18 May 2009 Ratiometric wavelength monitor based on X-type spectral response using two edge filters
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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.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Agus Muhamad Hatta, Ginu Rajan, Gerald Farrell, and Yuliya Semenova "Ratiometric wavelength monitor based on X-type spectral response using two edge filters", Proc. SPIE 7356, Optical Sensors 2009, 73561N (18 May 2009); https://doi.org/10.1117/12.820616
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