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Cavity ringdown spectroscopy with widely tunable swept-frequency lasers

Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.14/31360

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Title: Cavity ringdown spectroscopy with widely tunable swept-frequency lasers
Related: Australian Institute of Physics National Congress (16th : 2005) (30 January - 4 February 2005 : Canberra)
Related: Colla, Max. 16th National Congress of the Australian Institute of Physics : physics for the nation : congress handbook and abstracts
Related: http://aipcongress2005.anu.edu.au/pdf/PAPERS-2.pdf
Publisher: Canberra, A.C.T : Australian National University
Date: 2005
Author/Creator: He, Y
Author/Creator: Orr, B. J
Description: A novel approach to cavity ringdown (CRD) spectroscopy based on swept-frequency (SF) lasers enables rapid measurement of CRD absorption spectra. Our new SF CRD spectrometer incorporates a miniature widely-tunable continuous-wave SF laser and requires less than 1 s to record wide-ranging absorption spectra with high sensitivity in a single rapid sweep of the laser frequency. The spectrometer has a single-ended transmitter-receiver configuration based on retro-reflected optical-heterodyne detection, and yields a simple, compact, versatile instrument for efficient sensing of gases. The performance of the spectrometer is demonstrated by measuring weak absorption spectra of carbon dioxide gas at 1.5–1.6 μm.
Description: 4 page(s)
Resource Type: conference paper
Organisation: Macquarie University. Dept. of Physics
Organisation: Macquarie University. Dept. of Chemistry and Biomolecular Sciences
Organisation: Macquarie University. Centre for Lasers and Applications

Identifier: http://hdl.handle.net/1959.14/31360
Identifier: ISBN:0959806482
Identifier: mq-rm-2005002607
Language: eng
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