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Proceedings Paper

Fabrication and resonance wavelength adjustment of long-period fiber gratings
Author(s): Dejun Feng; Chee S. Goh; Sze Y. Set; Tao Liu; Kazuro Kikuchi
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Paper Abstract

Long period fiber gratings (LPGs) have been fabricated in photosensitive fiber by use of point to point exposure method. The fiber is mounted on a constantly moving stage with a highly precise positioning function while a frequency-doubled Argon ion laser (244 nm) is switched on/off by an acousto-optic modulator (AOM). The development of transmission spectrum (HE1,5) and resonant wavelength of the LPGs as a function of laser exposure time is obtained. We present a thermal processing technique to stabilize the LPGs characteristics. The influence of hydrogen diffusion and temperature factor on the resonance wavelength and transmission peak loss is analyzed detailedly.

Paper Details

Date Published: 17 January 2005
PDF: 7 pages
Proc. SPIE 5644, Optoelectronic Devices and Integration, (17 January 2005); doi: 10.1117/12.576309
Show Author Affiliations
Dejun Feng, Univ. of Tokyo (Japan)
Chee S. Goh, Univ. of Tokyo (Japan)
Sze Y. Set, Alnair Labs Corp. (Japan)
Tao Liu, Univ. of Tokyo (Japan)
Kazuro Kikuchi, Univ. of Tokyo (Japan)


Published in SPIE Proceedings Vol. 5644:
Optoelectronic Devices and Integration
Hai Ming; Xuping Zhang; Maggie Yihong Chen, Editor(s)

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