Accession Number : AD0748991

Title :   A Numerical Calculation of Thermal Blooming of Pulsed, Focused Laser Beams,

Corporate Author : NAVAL RESEARCH LAB WASHINGTON D C

Personal Author(s) : Ulrich,Peter B.

Report Date : 30 DEC 1971

Pagination or Media Count : 21

Abstract : The report summarizes the development of a computer program which solves the problem of propagation of pulsed, focused laser beams in a gas. The code includes the effects of the absorbing medium by self-consistent inclusion of the detailed hydrodynamic processes. The report presents a description of the transformations of the relevant equations, a description and stability analysis of the algorithms used, a summary of the checks on accuracy and internal consistency both of the wave optics and the hydrodynamics, comparison with analytic theories, and presentation of an example of results for a typical case of interest. (Author)

Descriptors :   (*COHERENT RADIATION, ATMOSPHERE MODELS), (*LIGHT TRANSMISSION, COMPUTER PROGRAMS), MATHEMATICAL MODELS, HYDRODYNAMICS, LIGHT PULSES, PROPAGATION, PARTIAL DIFFERENTIAL EQUATIONS

Subject Categories : Atmospheric Physics
      Lasers and Masers

Distribution Statement : APPROVED FOR PUBLIC RELEASE