Intracavity chemical absorption sensing using microresonator whispering-gallery modes

G. Farca; S. I. Shopova; A. T. Rosenberger

doi:10.1117/12.623687

23 May 2005 Intracavity chemical absorption sensing using microresonator whispering-gallery modes

G. Farca, S. I. Shopova, A. T. Rosenberger

Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.623687
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium

Abstract

Chemical absorption is investigated using the evanescent fraction of a whispering-gallery mode (WGM). An effective absorption path length of about 50 cm is obtained in methane sensing and about 100 cm in a liquid dye solution.

Citation Download Citation

G. Farca, S. I. Shopova, and A. T. Rosenberger "Intracavity chemical absorption sensing using microresonator whispering-gallery modes", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.623687

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