Paper
17 January 2005 Fabrication and resonance wavelength adjustment of long-period fiber gratings
Dejun Feng, Chee S. Goh, Sze Y. Set, Tao Liu, Kazuro Kikuchi
Author Affiliations +
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.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dejun Feng, Chee S. Goh, Sze Y. Set, Tao Liu, and Kazuro Kikuchi "Fabrication and resonance wavelength adjustment of long-period fiber gratings", Proc. SPIE 5644, Optoelectronic Devices and Integration, (17 January 2005); https://doi.org/10.1117/12.576309
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KEYWORDS
Hydrogen

Ultraviolet radiation

Diffusion

Refractive index

Cladding

Bragg cells

Annealing

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