DocumentCode
3489462
Title
Evanescent-wave chemical sensing using WGM microresonators
Author
Farca, G. ; Shopova, S.I. ; Elizondo, L.A. ; Naweed, Ahmer ; Rosenberger, A.T.
Author_Institution
Dept. of Phys., Oklahoma State Univ., USA
fYear
2004
fDate
28-30 June 2004
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.
Keywords
cavity resonators; chemical sensors; dyes; fibre optic sensors; micro-optics; microcavities; optical resonators; sorption; spectrochemical analysis; 100 cm; 50 cm; chemical absorption; evanescent-wave chemical sensing; liquid dye solution; methane sensing; microresonators; whispering gallery modes; Absorption; Chemicals; Dielectrics; Frequency; Microcavities; Optical fibers; Optical losses; Optical propagation; Spectroscopy; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Biophotonics/Optical Interconnects and VLSI Photonics/WBM Microcavities, 2004 Digest of the LEOS Summer Topical Meetings
ISSN
1099-4742
Print_ISBN
0-7803-8306-0
Type
conf
DOI
10.1109/LEOSST.2004.1338738
Filename
1338738
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