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Proceedings Paper

Long-period fiber grating effects with double-sided loading on fiber
Author(s): Chung-Yih Tang; Paoyi Tseng; Chih-Nan Lin; Chih Chung Yang; Yean-Woei Kiang; Kung-Jen Ma
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Paper Abstract

Periodical perturbations along an optical fiber can cause power coupling between the core mode 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 fiber with two face-to-face, identical periodical 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 un-jacketed fibers led to the conclusion that geometric deformation, instead of direct pressure-induced effect, was the dominating mechanism for generating spectral filtering functions in the double-sided loading configuration. The same conclusion can be applied to the single-sided loading device.

Paper Details

Date Published: 28 August 2002
PDF: 5 pages
Proc. SPIE 4904, Optical Fiber and Planar Waveguide Technology II, (28 August 2002); doi: 10.1117/12.481204
Show Author Affiliations
Chung-Yih Tang, National Taiwan Univ. (Taiwan)
Paoyi Tseng, National Taiwan Univ. (Taiwan)
Chih-Nan Lin, National Taiwan Univ. (Taiwan)
Chih Chung Yang, National Taiwan Univ. (Taiwan)
Yean-Woei Kiang, National Taiwan Univ. (Taiwan)
Kung-Jen Ma, Chung Hua Univ. (Taiwan)


Published in SPIE Proceedings Vol. 4904:
Optical Fiber and Planar Waveguide Technology II
Shuisheng Jian; Steven Shen; Katsunari Okamoto, Editor(s)

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