Abstract

The standard asymptotic approach is applied to a computation of the strong-intensity fluctuation for waves in random media. Under the framework of the path integral and cluster expansion, the first few moments of intensity are formulated to third order and further evaluated numerically for waves that travel through systems of multiple phase screens with a power-law spectrum. Finally, a global formula for all intensity moments 〈IN〉 is presented, where complete expressions for all terms up to third order are given.

© 1993 Optical Society of America

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