In-situ chemical detection based on photonic devices

Yuri Beregovski; Sergey Yu. Ten; Sergio Brito Mendes; Seppo Honkanen; Mahmoud Fallahi; Nasser Peyghambarian; Karen M. Grace; Basil I. Swanson

doi:10.1117/12.280937

23 July 1997 In-situ chemical detection based on photonic devices

Yuri Beregovski, Sergey Yu. Ten, Sergio Brito Mendes, Seppo Honkanen, Mahmoud Fallahi, Nasser Peyghambarian, Karen M. Grace, Basil I. Swanson

Author Affiliations +

Proceedings Volume 3082, Electro-Optical Technology for Remote Chemical Detection and Identification II; (1997) https://doi.org/10.1117/12.280937
Event: AeroSense '97, 1997, Orlando, FL, United States

Abstract

A novel scheme of a laser-based chemical sensor has been examined. The scheme is based on the lasing frequency shift of a DBR laser as a result of refractive index change of the sensitive coating in the presence of chemicals in question. The applicability and advantages of different schemes are discussed. The results of preliminary experiments related to the construction and stability of an external cavity DBR laser and interferometric measurements of refractive index change are presented.

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Yuri Beregovski, Sergey Yu. Ten, Sergio Brito Mendes, Seppo Honkanen, Mahmoud Fallahi, Nasser Peyghambarian, Karen M. Grace, and Basil I. Swanson "In-situ chemical detection based on photonic devices", Proc. SPIE 3082, Electro-Optical Technology for Remote Chemical Detection and Identification II, (23 July 1997); https://doi.org/10.1117/12.280937

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