Inventors:
John A. Macken - Santa Rosa CA
John A. Zuryk - Sebastopol CA
International Classification:
G02B 510
G02B 1706
Abstract:
An optical apparatus is described which reshapes rectangular cross-section laser beams, with toroidal divergence to generally square cross-section beams with plane or spherical divergence. The apparatus uses either two spherical mirrors or two pairs of spherical mirrors.