ANALYTIC PHASE FUNCTION FOR OCEAN WATER

PDF

Authors
  1. Fournier, G.R.
  2. Forand, J.L.
Corporate Authors
Defence Research Establishment Valcartier, Valcartier QUE (CAN)
Abstract
Using a modified form of the anomalous diffraction approximation we have been able to derive in closed form an analytic expression for the phase function of Mie scatterers integrated over an inverse power law (Junge) size distribution. The analysis explains the apparent singularity seen experimentally at the forward scattering angle. Simple relationships are also derived that relate the inverse power law as a function of scattering angle in the near forward direction to the power law of the size distribution. The parameters of the formula are the relative index of refraction and the inverse power of the size distribution. A comparison is given between the analytic formula and exact integration of the Mie scattering for spheres. This new phase function is used in the analysis of forward angle transmissometer-nephelometer data collected by DREV in the Arctic, Atlantic and Pacific.
Keywords
Scattering angle
Date of publication
02 Jan 1994
Number of Pages
9
Reprinted from
SPIE, Ocean Optics XII, vol 2258, 1994, p 194-201
DSTKIM No
95-01476
CANDIS No
148929
Format(s):
Hardcopy;Document Image stored on Optical Disk

Permanent link

Document 1 of 1

Date modified: