This article is cited in 6 papers

Papers devoted to the memory of S.A. Akhmanov

Diffractive changes in the frequency spectrum of propagating radiation (the Wolf effect)

Yu. E. D'yakov

M. V. Lomonosov Moscow State University

Abstract: The propagation of a nonmonochromatic wave beam through a lossless dispersive medium is treated in the paraxial approximation. The frequency spectrum of the beam changes in the process because of the finite dimensions and the imperfect spatial coherence of the source. These changes are analyzed. A physical model is offered to explain the basic features of this effect. Methods for compensating for it are discussed. Possibilities for utilizing it are also discussed. The physical meaning of the "scaling law" is discussed.

UDC: 535.42:621.373.826

PACS: 42.60.Jf, 42.25.Fx, 42.25.Bs, 42.50.Nn

Received: 21.09.1993

 English version: Quantum Electronics, 1993, 23:11, 931–938

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