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Using the gaussian beams feature

To access the beam window:

  1. Select from the menu System > Beams

Source position
Location of the beam source in global coordinate system.
w0
Gaussian waist parameter in mm. This is the radius from the center of the beam waist at which the intensity has fallen to 1/e2 of its peak value where e=2.718281828... is the base of natural logarithm.
z0
Location of the beam waist in the coordinate system of the beam source. This is the distance along the beam from the beam waist to the beam source position. It is positive if the waist is behind the source.
wavelength
Wavelength of the beam in nm.
Color
What color is used to color the beam on layout views.

See also