Negative Temperature Response of LPGs Written in B-Ge Co Doped Photosensitive Fiber
نویسندگان
چکیده
In this paper, the effects of temperature on the spectral profiles of long period grating (LPG) fabricated in BGe co doped photosensitive fiber is investigated. The results obtained show that LPG in a B–Ge co doped fiber has negative temperature response or opposite sign of the temperature dependence compared with LPG written in standard telecommunication fiber . Keywords— Fiber grating, Long Period Grating, photo sensitive fiber, temperature sensor, thermal expansion.
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