光纤布拉格光栅
材料科学
光学
栅栏
色散(光学)
色散位移光纤
闪耀光栅
磷
纤维
光纤传感器
衍射光栅
光电子学
波长
物理
复合材料
作者
B. Neto,Paulo S. André
出处
期刊:Materials Science Forum
日期:2007-08-01
卷期号:553: 106-111
标识
DOI:10.4028/www.scientific.net/msf.553.106
摘要
The chromatic dispersion of optical fiber is a limiting factor in the increase of optical communications transmission bitrates. Chirped Fiber Bragg Gratings submitted to temperature gradients can provide tuneable dispersion compensation, being the tuneability achieved by an appropriate control of the applied temperature gradient. In this work we propose a numerical model that describes heat transfer mechanisms along the fiber grating and its surroundings to obtain a temperature distribution along the fiber grating longitudinal axis. This model, which enables the subsequent modeling of the grating dispersion, demonstrated that the temperature distribution in a steady state is linear. The subsequent modeling of the fiber grating chromatic dispersion agreed with experimental results.
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