Title :
Cavity-enhanced laser spectroscopy using microresonator whispering-gallery modes
Author :
Farca, G. ; Shopova, S.I. ; Rosenberger, A.T.
Author_Institution :
Dept. of Phys., Oklahoma State Univ., Stillwater, OK
Abstract :
Intracavity laser gas-absorption measurements using a frequency-locked resonant whispering-gallery microresonator are reported. High sensitivity enhancement is observed and is described in terms of the effective detection path length within the microcavity on resonance.
Keywords :
fibre optic sensors; gas sensors; infrared spectroscopy; micro-optics; microcavities; micromechanical resonators; optical resonators; remote sensing by laser beam; spectrochemical analysis; whispering gallery modes; cavity-enhanced laser spectroscopy; effective detection path length; frequency-locked microresonator; high sensitivity enhancement; intracavity laser gas-absorption measurements; microcavity; single-mode optical fiber; tunable diode laser; whispering-gallery modes; Absorption; Fiber lasers; Gas lasers; Laser excitation; Laser modes; Microcavities; Optical resonators; Resonance; Spectroscopy; Whispering gallery modes; (060.2370) Fiber optics sensors; (230.5750) Resonators; (350.3950) Micro-optics;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4627968
