Effects of fiber cladding on UV beams and fringe patterns in side-exposure FBG writing

Enbang Li; Jiangtao Xi; Joe Chicharo; Yanguang Yu; Jianquan Yao

doi:10.1117/12.575150

10 January 2005 Effects of fiber cladding on UV beams and fringe patterns in side-exposure FBG writing

Enbang Li, Jiangtao Xi, Joe Chicharo, Yanguang Yu, Jianquan Yao

Proceedings Volume 5623, Passive Components and Fiber-based Devices; (2005) https://doi.org/10.1117/12.575150
Event: Asia-Pacific Optical Communications, 2004, Beijing, China

Abstract

The so-called side-exposure method has been widely used in the fabrication of fiber Bragg gratings (FBGs). The effects of the fiber cladding on the wavefronts of the UV writing beams and the interference fringes formed inside the fiber have been addressed in this study. The wavefronts of the UV beams have been analyzed and it has been demonstrated that the existence of the fiber cladding significantly alters the wavefronts of the UV beams in one plane and makes them highly astigmatic. Based on the calculated wavefront radii of the UV beams, a model has been established for prediction of the interference fringe pattern formed in the fiber core area.

Citation Download Citation

Enbang Li, Jiangtao Xi, Joe Chicharo, Yanguang Yu, and Jianquan Yao "Effects of fiber cladding on UV beams and fringe patterns in side-exposure FBG writing", Proc. SPIE 5623, Passive Components and Fiber-based Devices, (10 January 2005); https://doi.org/10.1117/12.575150

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