A. Karlsson et S. Rikte, TIME-DOMAIN THEORY OF FORERUNNERS, Journal of the Optical Society of America. A, Optics, image science,and vision., 15(2), 1998, pp. 487-502
The time-domain theory of forerunners (precursors) in temporally dispe
rsive, nonmagnetic, isotropic materials is developed with the propagat
or technique. Specifically, the impulse response at a (comparatively)
large propagation depth is expanded in two different ways: (a) with re
spect to the wave front and (b) with respect to slowly varying field c
omponents. A few numerical examples illustrating the theory are given.
(C) 1998 Optical Society of America.