Optimum design for maximum wavelength resolution for an edge filter-based ratiometric system

Qiang Wu, Ginu Rajan, Pengfei Wang, Yuliya Semenova, Gerald Farrell

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

This paper provides a straightforward design method for achieving a maximum wavelength resolution for an edge filter-based ratiometric system. An analysis of the influence of a range of factors on the resolution of the ratiometric wavelength measurement system was carried out. The investigation shows that, for a given input optical signal and when the working wavelength range is known, it is relatively straightforward to select an optimum slope for the edge filter that will yield a maximum resolution for the system. An experimental verification is carried out using a tunable laser and three macrobending fibre edge filters, with a good match between experimental and simulation results.
Original languageEnglish
Pages (from-to)1032-1037
JournalOptics and Laser Technology
Volume42
Issue number6
DOIs
Publication statusPublished - 2010

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