diff options
Diffstat (limited to 'abcd.m')
-rw-r--r-- | abcd.m | 9 |
1 files changed, 2 insertions, 7 deletions
@@ -31,21 +31,16 @@ end -function waste =q2waste(q, lambda) - waste=sqrt (-lambda./pi./imag(1./q)); -endfunction - -function radius =q2radius(q, lambda) - radius=(1./real(1./q)); -endfunction function [waste,radius] =q2wr(q, lambda) +% convert Gaussian beam q parameter to waste and radius waste=sqrt (-lambda./pi./imag(1./q)); radius=(1./real(1./q)); endfunction function q=waste_r2q(waste,R,lambda) +% convert Gaussian beam waste and radius to q parameter q=1./(1./R-1i.*lambda./pi./(waste.^2)); endfunction |