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Conferences > SumSession > 2011 > Th > Th39

Sensing Properties of Fiber Bragg Gratings in All Solid Bragg Fibers

Ningliang Liu, Yuhua Li, Haiyan Wang, and Peixiang Lu

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Abstract

A novel fiber Bragg grating (FBG) has been inscribed in all solid Bragg fiber by an infrared femtosecond laser. Temperature, strain and bending characteristics of the induced FBG are investigated experimentally. Cross-sensitivity between strain/temperature and bending can thus be avoided since the resonant wavelengths are insensitive to curvature variation and bend direction. These proposed FBGs are very attractive candidates for multi-parameter sensors in harsh environment.

© 2011 Optical Society of America

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