用FDFD模拟光子晶体光纤的色散的程序，主程序为FDFD.m，计算色散的为dispersion.m-FDFD simulation of photonic crystal fibers with a dispersion of the process, the main program for the FDFD.m, calculated dispersion for dispersion.m

Photonic crystals are attractive optical materials for controlling and manipulating the flow of light. One dimensional photonic crystals are already in widespread use in the form of thin-film optics with applications ranging from low and high reflect