BRIDGING THE GAP BETWEEN THE RAYLEIGH AND THOMSON LIMITS FOR VARIOUS CONVEX BODIES

Authors
  1. Fournier, G.R.
  2. Evans, B.T.N.
Corporate Authors
Defence Research Establishment Valcartier, Valcartier QUE (CAN)
Abstract
The Rayleigh approximation to extinction, scattering and absorption efficiencies for spheres is limited to small size parameters, x, and small values of /m/x, where m is the complex index of refraction. It is also known that the Thomson approximation to these same efficiencies is valid for small x and m = infinity. We have established an exact transform of the Mie coefficients, for both spheres and infinite cylinders, that removes the m related restrictions of the Rayleigh and Thomson approximations. The resulting series for spheres and infinite cylinders are valid for all m and small x. This transform can also be applied in an approximate form to spheroids.
Report Number
DREV-4692/93 —
Date of publication
01 Jan 1993
Number of Pages
31
DSTKIM No
93-00613
CANDIS No
127876
Format(s):
Hardcopy;Originator's fiche received by DSIS

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