Simple fiber optic device to interrogate fiber optic Bragg gratings used as sensors

Jose Mora; R. Duchowicz; Jose Luis Cruz; Miguel V. Andres

doi:10.1117/12.437158

14 August 2001 Simple fiber optic device to interrogate fiber optic Bragg gratings used as sensors

Jose Mora, R. Duchowicz, Jose Luis Cruz, Miguel V. Andres

Proceedings Volume 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications; (2001) https://doi.org/10.1117/12.437158
Event: IV Iberoamerican Meeting of Optics and the VII Latin American Meeting of Optics, Lasers and Their Applications, 2001, Tandil, Argentina

Abstract

A simple and compact device for the monitoring and diagnostic of fiber optic Bragg gratings, employed in optical sensor applications, was developed. The deice consist of an optical fiber Bragg grating bound to a piezoelectric element. When a sinusoidal voltage is applied to the piezoelectric, the Bragg wavelength of the grating changes and the transmission spectrum swings in time. The device acts as a temporal window and can be used to interrogate a Bragg grating sensor, permitting to monitor the sensor state in real time and with very good resolution.

Citation Download Citation

Jose Mora, R. Duchowicz, Jose Luis Cruz, and Miguel V. Andres "Simple fiber optic device to interrogate fiber optic Bragg gratings used as sensors", Proc. SPIE 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications, (14 August 2001); https://doi.org/10.1117/12.437158

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