The sech function is an important example of a self-Fourier transform function that may have applications in the analysis of linear and nonlinear optical propagation.
© 1995 Optical Society of America
Partha P. Banerjee and Ting-Chung Poon, "Self-Fourier objects and other self-transform objects: comment," J. Opt. Soc. Am. A 12, 425-426 (1995)