Miniature High-Temperature Fiber Bragg Grating Sensor Design Based on U-Shaped Lossless Taper for Thermal Mapping Applications

Viegas, Diana; Abad Valtierra, Silvia; Santos, José Luis; Ferreira, Luis Alberto; Moita Araújo, Francisco Manuel

doi:10.1109/LPT.2010.2046159

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Miniature High-Temperature Fiber Bragg Grating Sensor Design Based on U-Shaped Lossless Taper for Thermal Mapping Applications

Viegas, Diana; Abad Valtierra, Silvia; Santos, José Luis; Ferreira, Luis Alberto; Moita Araújo, Francisco Manuel

Use this identifier to cite or link to this item: http://hdl.handle.net/11268/260

Date: 2010

UNESCO Subject: Tecnología avanzada
UNESCO Subject: Temperatura

Type: article

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Abstract:

A novel design for a miniature fiber Bragg grating-based temperature probe is presented. The sensor integrates a u-shaped lossless taper thus offering the advantages of a terminal temperature probe free from of strain cross-sensitivity and showing installation flexibility while enabling effective serial multiplexing. The experimental validation of the probe design is reported, being demonstrated lossless operation and effective elimination of strain cross-sensitivity up to 400 degrees C.

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