红外光谱条件下Bragg 光栅的横向受力研究

如何解决光纤传输过程中的色散补偿,以及实现高速数据的密集波分时复用和全光解复用,成为当前研究过程中的主要难题。光纤Bragg光栅(FBG)是一种理想的无源传感与信号解调器件,文中基于此探究了光纤Bragg光栅的横向受力特性,建立了相应的理论模型,搭建了ASE100光源的实验系统。红外光谱条件下的解调实验结果表明:透射谱主阻带内有偏振损耗的最大值;分裂点与受力大小呈线性关系,并随受力的变化产生周期性移动;温度的不同并不能使偏振损耗的形状发生改变,只是使其在波长轴上的位置产生了变化。上述研究成果对于明确光纤Bragg光栅横向受力具有明显的参考价值。

Lateral force study on conditions under IR Bragg grating

How to solve the optical fiber transmission dispersion compensation, as well as to achieve high-speed data-intensive wave of all-optical time division multiplexing and multiplexing solution, become a major problem during the study. Fiber Bragg Grating(FBG)is an ideal passive sensing and signal demodulation device, the lateral force characteristics of fiber Bragg grating was explored, and an experimental system ASE100 source was built. Demodulation results show that:loss of polarization had maximum transmittance spectrum of the main stop band; split point was linear relationship with size of the force, and generated to move with the periodic variation of the force; different temperatures did not change the shape of the loss of polarization, but it was generated at the position of the wavelength axis. The research results for the clear fiber Bragg grating lateral force has significant reference value.