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Proceedings Paper

V-groove all-fiber intermodal Mach-Zehnder interferometer and its high-temperature sensing application
Author(s): Zhen Yin; Youfu Geng; Xuejin Li; Xiaoling Tan; Rong Gao
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Paper Abstract

Laser pulse width is the limiting factor for high spatial resolution measurement with Raman distributed temperature sensor (RDTS). Typically a 10 ns laser pulse provides a spatial resolution of 1 m. Path delay multiplexing can be used to overcome this limitation. This paper presents formalism for two path delay multiplexing, taking into account the point response function (PRF) of the RDTS.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 915720 (2 June 2014); doi: 10.1117/12.2058840
Show Author Affiliations
Zhen Yin, Shenzhen Univ. (China)
Youfu Geng, Shenzhen Univ. (China)
Xuejin Li, Shenzhen Univ. (China)
Xiaoling Tan, Shenzhen Univ. (China)
Rong Gao, Shenzhen Univ. (China)

Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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