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Four‐channel fiber loop ring‐down pressure sensor with temperature compensation based on neural networks
Author(s) -
Gao Yang,
Qiu Yishen,
Chen Huaixi,
Huang Yan,
Li Gaoming
Publication year - 2010
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.25326
Subject(s) - multi mode optical fiber , compensation (psychology) , multiplexing , detector , channel (broadcasting) , electronic engineering , artificial neural network , microwave , pressure sensor , loop (graph theory) , optical fiber , fiber , engineering , optics , computer science , materials science , electrical engineering , telecommunications , physics , mechanical engineering , artificial intelligence , mathematics , psychology , combinatorics , psychoanalysis , composite material
Abstract A four‐channel fiber loop ring‐down pressure sensor with temperature compensation based on neural networks is described.This fiber ring‐down pressure sensor makes use of the principle of time division multiplexing, which consists of series and parallel fiber loops. The laser pulses from four‐channels can be acquired by only one detector and the four pressure values are measured synchronously in our experiment. Taking mode dispersion in multimode fiber into consideration, the maximum multiplexing number is discussed. In addition, temperature compensation based on neural networks has been successfully used in our experiment, to eliminate the disturbance of environmental temperature. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 1796–1799, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25326