Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/5648
Title: Evanescent-wave photoacoustic spectroscopy with optical micro/nano fibers
Authors: Cao, Y
Jin, W 
Ho, LH
Liu, Z
Issue Date: 15-Jan-2012
Source: Optics letters, 15 Jan. 2012, v. 37, no. 2, p. 214-216
Abstract: We demonstrate gas detection based on evanescent-wave photoacoustic (PA) spectroscopy with tapered optical fibers. Evanescent-field instead of open-path absorption is exploited for PA generation, and a quartz tuning fork is used for PA detection. A tapered optical fiber with a diameter down to the wavelength scale demonstrates detection sensitivity similar to an open-path system but with the advantages of easier optical alignment, smaller insertion loss, and multiplexing capability.
Keywords: Optical fibers
Quartz
Publisher: Optical Society of America
Journal: Optics letters 
ISSN: 0146-9592
EISSN: 1539-4794
DOI: 10.1364/OL.37.000214
Rights: © 2012 Optical Society of America. This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-37-2-214. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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