THERMAL TREATMENT OF FIBER BRAGG GRATINGS RECORDED USING HIGH POWER LASERS

Adriana Lúcia Cerri Triques, Carmem Lúcia Barbosa, Rogério Moreira Cazo, Jorge Luis de Siqueira Ferreira, Renato Cunha Rabelo, Luiz Carlos Guedes Valente, Arthur Martins Barbosa Braga

Abstract


In this work we evaluated the performance, at elevate temperatures, of fiber Bragg gratings recorded using high power UV lasers. The evolution of gratings wavelengths and reflectivities when fibers were submitted to several thermal cycles was determined. The range of thermal stability of the gratings was found to be suitable for telecommunication and sensing applications

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