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Proceedings Paper

Research of difference absorption optical fiber CO gas sensor based on FBG
Author(s): Yanju Wang; Zhihua Liu; Yueyi Kang; Yutian Wang
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Paper Abstract

Based on analysis of the near infrared spectral absorption of CO molecule and considering factors such as compatibility with the transmission characteristics of silica optical fiber and the price, a kind of allfiber remote sensor utilizing Fiber Bragg Grating(FBG) filters and 1.567μm high power light-emitting diode (LED) was developed for real time absorption measurement. FBG has a low insert loss and can be produced easily compared with dielectric interference filters. Theory and experiment proved that the system has simple construct and high sensibility.

Paper Details

Date Published: 6 August 2009
PDF: 6 pages
Proc. SPIE 7383, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications, 73832R (6 August 2009); doi: 10.1117/12.835042
Show Author Affiliations
Yanju Wang, Hebei Normal Univ. (China)
Zhihua Liu, HeBei Normal Univ. (China)
Yueyi Kang, HeBei Normal Univ. (China)
Yutian Wang, YanShan Univ. (China)


Published in SPIE Proceedings Vol. 7383:
International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications

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