1 July 2003 Long-period fiber grating effects induced by double-sided loading
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Optical Engineering, 42(7), (2003). doi:10.1117/1.1578647
Abstract
Periodical perturbations along an optical fiber can cause power coupling between the core and cladding modes for the applications of spectral filtering and derivative operations. Such perturbations can be generated through periodical loading on fiber. By applying loading onto a fiber with two face-to-face, identical groove structures, it was found that the long-period grating effects were dependent on the relative phase of the two periodical corrugations. Particularly, when the relative phase was zero (crest to crest), spectral filtering effects disappeared completely. The comparisons of such results between the cases of jacketed and unjacketed fibers led to the conclusion that geometric deformation, instead of direct pressure-induced effects, was the dominating mechanism for generating spectral filtering functions in the double-sided loading configuration. The same conclusion can be applied to a single-sided loading device.
Tsung-Yi Tang, Paoyi Tseng, Chung-Yi Chiu, Chih Chung Yang, Yean-Woei Kiang, Kung-Jen Ma, "Long-period fiber grating effects induced by double-sided loading," Optical Engineering 42(7), (1 July 2003). https://doi.org/10.1117/1.1578647
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