Transient diffraction and precursorlike effects in vacuum

E. M. Belenov; A. V. Nazarkin

doi:10.1117/12.131827

11 December 1992 Transient diffraction and precursorlike effects in vacuum

E. M. Belenov, A. V. Nazarkin

Proceedings Volume 1841, Nonlinear Optical Processes in Solids; (1992) https://doi.org/10.1117/12.131827
Event: XIV International Conference on Coherent and Nonlinear Optics, 1991, St. Petersburg, Russian Federation

Abstract

The existence of a specific wave object that arises when a spatially limited electromagnetic wave with abrupt leading edge propagates in vacuum is predicted. This object demonstrates a precursor-like behavior, since the diffractive spreading of the field proceeds behind it. The transverse structure and the field strength at the leading edge of the object remain unchanged during propagation, whereas its energy decreases as z-1 due to diffractive erosion of its trailing edge. This phenomenon to a certain extent resembles the Sommerfeld precursor formation in temporally dispersive medium.

Citation Download Citation

E. M. Belenov and A. V. Nazarkin "Transient diffraction and precursorlike effects in vacuum", Proc. SPIE 1841, Nonlinear Optical Processes in Solids, (11 December 1992); https://doi.org/10.1117/12.131827

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