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LAS\MODIFY BEAM_EFF Value
LAS\MODIFY BEAM_EFF /RUZE B0 Sigma
Change the beam efficiency.
The first syntax allows to define the new beam efficiency from a single
value for the whole spectrum. If the beam efficiency previously had a
non zero value, the spectrum intensities are rescaled according to the
old and new values. Otherwise, only the beam efficiency is set to the
The second syntax allows to use the Ruze's equation, which is more suit-
able for large band spectra:
Beeff(lambda) = B0*exp(-(4*pi*Sigma/lambda)**2)
B0 is the scaling factor with no units (between 0 and 1), and Sigma the
width factor in microns.
If the beam efficiency previously had a non zero value, a rescale factor
is evaluated for each channel and is applied to the intensities, and the
new beam efficiency is set to the one at the center of the spectrum.
Otherwise, only the beam efficiency is set to this new value.