中文说明：本程序是美国Govind P. Agrawal的《非线性光纤光学》（第四版）一书的附录程序。可自由选择光纤长度，非线性参量等。亦有程序说明~~
English Description：
This program is the appendix of nonlinear optical fiber optics (Fourth Edition) by govind P. Agrawal. The fiber length and nonlinear parameters can be selected freely. There are also procedures~~