Recent development of infrared tunable filter

Dafu Liu; Qinfei Xu; Defeng Mo

doi:10.1117/12.2179550

13 April 2015 Recent development of infrared tunable filter

Dafu Liu, Qinfei Xu, Defeng Mo

Proceedings Volume 9522, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics 2014, Part II; 95220X (2015) https://doi.org/10.1117/12.2179550
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held August-October 2014, 2014, China, China

Abstract

Researchers are engaging on tunable infrared (IR) filters, miniature Fabry-Perot optical devices, to operate IR detector like a spectrometer. This kind of devices was used in astronomical detection field in the 1950s. To meet the miniature, lightweight requirements of the optical detection system, researchers began to make small, lightweight, and cheap tunable IR filters. Nowadays researchers have applied a variety of different structures and the IR filter, and are attempting to integrate them with IR detectors directly. Tunable filter thin film mechanical and thermal properties, and working conditions will affect the tunable filter optical performance. In this article we give two main influencing factors, interface roughness and curvature effect. we also present and discuss the current development of FPF in different groups around the world.

Citation Download Citation

Dafu Liu, Qinfei Xu, and Defeng Mo "Recent development of infrared tunable filter", Proc. SPIE 9522, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics 2014, Part II, 95220X (13 April 2015); https://doi.org/10.1117/12.2179550

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