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Title: Experimental demonstration of a fiber-optic gas sensor network addressed by FMCW
Authors: Ho, HL
Jin, W 
Yu, HB
Chan, PKC
Chan, CC
Demokan, S
Keywords: Frequency-modulated continuous wave
Optical fiber gas sensors
Sensor multiplexing
Wavelength modulation spectroscopy
Issue Date: Nov-2000
Publisher: IEEE
Source: IEEE photonics technology letters, Nov. 2000, v. 12, no. 11, p.1546-1548 How to cite?
Journal: IEEE photonics technology letters 
Abstract: We report on the use of frequency-modulated continuous-wave and wavelength modulation spectroscopy techniques for addressing a multipoint gas sensor network. A three-sensor network of ladder topology is experimentally demonstrated for the detection of acetylene gas. A minimum detectable concentration of 270 ppm/√Hz is obtained with 25-mm gas cells under atmospheric pressure which corresponds to a minimum detectable absorbance of 3.40 x 10[sup - 4]. The crosstalk between the sensors is below -22 dB.
ISSN: 1041-1135
DOI: 10.1109/68.887743
Rights: © 2000 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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