Frequency shifts of spectral lines generated by scattering from space-time fluctuations
- 1 July 1989
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 40 (2), 588-598
- https://doi.org/10.1103/physreva.40.588
Abstract
The scattering of a class of partially coherent electromagnetic fields by a model medium whose dielectric susceptibility fluctuates in space and in time is considered within the accuracy of the first-order Born approximation. It is shown that if the incident field is a linearly polarized, polychromatic plane wave whose spectrum is a line of Gaussian profile, the spectrum of the scattered light is, in some cases, approximately Gaussian and is shifted towards the shorter or the longer wavelengths, depending upon the angle of scattering.Keywords
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