Correcting an astigmatic, non-Gaussian beam.
An off-axis spherical mirror is used to correct an astigmatic, non-Gaussian beam from a pulsed, frequency-doubled Nd:YAG laser. The beam is then spatially filtered by a series of two pinholes to make the beam near Gaussian.
Repasky
K S
KS
Brasseur
J K
JK
Wessel
J G
JG
Carlsten
J L
JL