【摘要】 光纤光栅是一种新型的光纤器件,在光纤通信和光纤传感等领域有重要的应用。本文介绍了光纤布拉格光栅的光学特性和光谱特性,介绍了相位掩膜法制作光纤光栅的相关实验。在激光脉冲能量300m J、激光脉冲重复频率8Hz、成栅时间160 s的实验条件下,获得了中心波长1083nm、带宽0.1nm、反射率99.96%的高质量光纤光栅。更多还原

【Abstract】 Fiber grating is a new kind of fiber device,it has many important applications in optical fiber telecommunications,optical fiber sensors etc.This paper introduces optical characteristics and spectral characteristic of optical fiber Bragg grating,introduces the experiments of grating fabrication with phase masks.Under the optimal experiment condition of laser pulse energy 300mJ,pulse frequency 8Hz and fabrication times 160s,we fabricate the good quality optical fiber grating with center wavelength 1083nm,bandwidth 0.1nm and reflectivity 99.96%.更多还原