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Automated characterization of a bifurcated optical fiber bundle displacement sensor taking into account reflector tilting perturbation effects
Author(s) -
Brandão Faria J.,
Postolache Octavian,
Dias Pereira J.,
Silva Girão P.
Publication year - 2000
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 - 10.1002/1098-2760(20000820)26:4<242::aid-mop12>3.0.co;2-e
Subject(s) - bundle , displacement (psychology) , optics , optical fiber , microwave , perturbation (astronomy) , gaussian beam , physics , fiber optic sensor , engineering , materials science , beam (structure) , telecommunications , psychology , quantum mechanics , composite material , psychotherapist
An optical displacement sensor using bifurcated fiber bundle technology is investigated here. An automated PC‐based measurement system specially developed for the characterization of the optical displacement sensor is described. Experimental results are presented, showing how the transfer function of the sensor is affected by occasional tilting of the surface being monitored. A theoretical analysis based on a Gaussian beam approximation is also developed for the purpose of interpreting the reported experimental results. © 2000 John Wiley & Sons, Inc. Microwave Opt Technol Lett 26: 242–247, 2000.