Tunable thin film filters: review and perspectives

Michel Lequime

doi:10.1117/12.516026

25 February 2004 Tunable thin film filters: review and perspectives

Michel Lequime

Proceedings Volume 5250, Advances in Optical Thin Films; (2004) https://doi.org/10.1117/12.516026
Event: Optical Systems Design, 2003, St. Etienne, France

Abstract

The development of tunable filters is a key point for the ability of optical telecommunication networks to comply with the continuous evolution of the service providers needs. Among the numerous technologies which can be used to achieve narrow bandpass filtering devices, we concentrate our analysis on Thin-Film Interference Coatings and compare the principles, performances and use constraints of the various schemes allowing to tune such a thin-film structure : tilt of a standard bandpass filter, translation of a linear variable filter, deformation of the substrate of a DWDM filter, implementation of active spacers with controllable optical thickness (thin-films or solid spaced etalons).

Citation Download Citation

Michel Lequime "Tunable thin film filters: review and perspectives", Proc. SPIE 5250, Advances in Optical Thin Films, (25 February 2004); https://doi.org/10.1117/12.516026

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