Multi-wavelength sensing of greenhouse gases by rapidly swept continuous-wave cavity ringdown spectroscopy

Author

He, Yabai ; Kan, Ruifeng ; Englich, Florian V. ; Liu, Wenqing ; Orr, Brian J.

Author_Institution

Dept. of Phys., Macquarie Univ., Sydney, NSW, Australia

fYear

2009

fDate

2-4 June 2009

Firstpage

1

Lastpage

2

Abstract

The greenhouse gas molecules CH₄, CO₂, and H₂O are detected by using a cavity ringdown laser spectrometer with rapidly swept optical cavity and multi-wavelength coherent radiation. This sensitive portable instrument is applicable to environmental monitoring.

Keywords

atmospheric techniques; carbon compounds; organic compounds; remote sensing by laser beam; spectrochemical analysis; water; CO₂; H₂O; environmental monitoring; greenhouse gases; multiwavelength coherent radiation; multiwavelength sensing; rapidly swept continuous-wave cavity ringdown spectroscopy; swept optical cavity; Absorption; Diode lasers; Gas lasers; Global warming; Instruments; Optical sensors; Optical transmitters; Ring lasers; Spectroscopy; Tunable circuits and devices; (120.0280) Remote sensing; (120.6200) Spectrometers and spectroscopic instrumentation;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on

Conference_Location

Baltimore, MD

Print_ISBN

978-1-55752-869-8

Electronic_ISBN

978-1-55752-869-8

Type

conf

Filename

5224563