Abstract

A family of special solutions of the paraxially pulsed wave equation is presented in closed form by use of the Fourier-transform method. These special solutions have the negative-power-function forms of a simple complex temporal–spatial beam parameter P. The imaginary part and the real part of the parameter P explicitly reveal the time delay and the pulse broadening, respectively. These pulsed negative-power-function light beams are used analytically to expand those isodiffracting pulsed beams.

© 1999 Optical Society of America

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