Title :
Cavity ringdown spectroscopy with optical-heterodyne detection and miniature external-cavity tunable lasers
Author :
He, Yabai ; Englich, Florian V. ; Orr, Brian J.
Author_Institution :
Centre for Lasers & Applications, Macquarie Univ., Sydney, NSW
Abstract :
Miniature external-cavity tunable lasers are combined with retro-reflected optical-heterodyne detection for rapidly swept, continuous-wave cavity ringdown spectroscopy. This yields a compact, rugged, versatile, high-performance instrument for efficient spectroscopic sensing of gases
Keywords :
gas sensors; heterodyne detection; laser tuning; micro-optics; remote sensing by laser beam; spectrochemical analysis; cavity ringdown spectroscopy; continuous-wave spectroscopy; miniature external-cavity lasers; optical-heterodyne detection; retroreflected detection; spectroscopic gas sensing; tunable lasers;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6