Demodulating the response of optical fibre long-period gratings: Genetic algorithm approach

abstract

The extraction of the physical parameters of long period gratings from the spectral response is not an easy process. We present a demodulation technique to synthesize the physical parameters of a long period grating recorded in an optical fibre. The demodulation is achieved through the implementation of a genetic algorithm. The extracted parameters are in agreement with the typical values known for long period gratings.

keywords

SENSORS; INDEX

subject category

Physics

authors

Andre, PS; Ferreira, RAS; Correia, CML; Kalinowshy, H; Xin, XJ; Pinto, JL

our authors

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