z=zr(w0,k)

%ZR Evaluate the Rayleigh range.
%   Z = ZR(W0,K)
%
%See also: IQ2WR

% $Author: graceej $ $Date: 2009/10/24 11:08:05 $
% $Revision: 1.3 $


% Copyright (c) 2009, Edward J. Grace
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function z=zr(w0,k)
z=0.5.*k.*w0.^2;

%% CVS Log
%
% $Log: zr.m,v $
% Revision 1.3  2009/10/24 11:08:05  graceej
% * Modified license to make use of the current BSD style open source initiative license.
%
%