Fiber Bragg grating sensors for temperature measurement using phase retrieval

Waldemar Wojcik; Piotr Kisala; Slawomir Cieszczyk

doi:10.1117/12.610643

23 February 2005 Fiber Bragg grating sensors for temperature measurement using phase retrieval

Waldemar Wojcik, Piotr Kisala, Slawomir Cieszczyk

Proceedings Volume 5775, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments III; (2005) https://doi.org/10.1117/12.610643
Event: Wilga 2004, 2004, Wilga, Poland

Abstract

In this paper a FBG (Fiber Bragg Grating) sensor for measuring temperature and temperature distribution is presented. We have used a phase retrieval algorithm for the temperature measurement. There is presented a method for obtaining the distributed temperature distribution along a fiber Bragg grating by measuring the reflectivity spectrum. We have also a priori knowledge about the complex coupling coefficient's magnitude.

Citation Download Citation

Waldemar Wojcik, Piotr Kisala, and Slawomir Cieszczyk "Fiber Bragg grating sensors for temperature measurement using phase retrieval", Proc. SPIE 5775, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments III, (23 February 2005); https://doi.org/10.1117/12.610643

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