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Proceedings Paper

Evaluation of serial multiplexed photonic crystal fiber interferometric sensors
Author(s): David Barrera; Joel Villatoro; Vittoria Finazzi; Salvador Sales; Valerio Pruneri
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Paper Abstract

We report the multiplexing of photonic crystal fiber interferometric sensors that exhibit sinusoidal interference pattern. The frequency division multiplexing technique combined with a simple fast Fourier transform demodulation method was used to multiplex several devices in a single channel. To avoid crosstalk between the sensors, we calculate the optimal relationship between their periods. The technique is validated experimentally by multiplexing two-mode PCF interferometers but it can be adapted to multiplex any other optical fiber sensors that exhibit sinusoidal patterns. The technique and results reported here may allow the development of PCFI-based sensor networks.

Paper Details

Date Published: 13 May 2010
PDF: 8 pages
Proc. SPIE 7726, Optical Sensing and Detection, 77260S (13 May 2010); doi: 10.1117/12.854630
Show Author Affiliations
David Barrera, Univ. Politécnica de Valencia (Spain)
Joel Villatoro, ICFO - Instituto de Ciencias Fotónicas (Spain)
Vittoria Finazzi, ICFO - Instituto de Ciencias Fotónicas (Spain)
Salvador Sales, Univ. Politécnica de Valencia (Spain)
Valerio Pruneri, ICFO - Instituto de Ciencias Fotónicas (Spain)
ICREA-Institució Catalana de Recerca i Estudis Avançats (Spain)

Published in SPIE Proceedings Vol. 7726:
Optical Sensing and Detection
Francis Berghmans; Anna Grazia Mignani; Chris A. van Hoof, Editor(s)

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