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Shift and splitting of resonant peaks in long-period fiber gratings for sensing applications

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5 Author(s)
Younggeun Han ; Dept. of Inf. & Commun., Inst. of Sci. & Technol., Kwangju, South Korea ; Byeong Ha Lee ; Won-Taek Han ; Un-Chul Paek
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We also applied long period fibre gratings (LPFGs) to various sensing application such as bend, transverse load, and index change sensors by using the peak-splitting effect of LPFGs. Furthermore, since the lower order cladding mode is insensitive to the external perturbation change compared with the higher order cladding modes,We will discuss a simple method to change the transmission characteristics of long-period fiber gratings using UV post-exposure. Application of the resonant peak splitting to bend, transverse load, and index change sensing will be described.

Published in:

Optical Fiber Communication Conference and Exhibit, 2001. OFC 2001  (Volume:4 )

Date of Conference:

17-22 March 2001