Diffraction by a random phase-changing screen - A numerical experiment

Details Diffraction by a random phase-changing screen - A numerical experiment Diffraction by a random phase-changing screen - A numerical experiment

Nov 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975jatp...37.1431b&link_type=abstract

Journal of Atmospheric and Terrestrial Physics, vol. 37, Nov. 1975, p. 1431-1446.

Physics

Optics

12

Atmospheric Optics, Computerized Simulation, Diffraction Patterns, Phase Shift, Algorithms, Fast Fourier Transformations, Light Scattering, Plane Waves, Power Spectra, Probability Distribution Functions, Refractivity, Statistical Analysis

Scientific paper

The diffraction pattern resulting from the passage of a plane wave through a one-dimensional phase-changing screen is considered numerically. By exploiting the notion of an angular spectrum of plane waves and using the fast Fourier transform algorithm, a very compact and efficient method for computing the pattern is obtained. Screens with both definite and random structures are considered. In the latter case, statistical analysis of the patterns enables gaps to be bridged between various analytical approximations that are available.

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