Long period Fiber Bragg grating simulation.

Fiber Bragg Grating reflectivity.

Fiber bragg grating apodization.

用于分部反馈边发射激光器亚波长光栅的模拟与计算，通过改程序可以对于具体实验具有指导作用-Division feedback for simulation and calculation of edge-emitting lasers subwavelength grating can have a guiding role for specific experiments by changing procedures