Patent
1989-05-09
1990-05-01
Henry, Jon W.
350618, G02B 1706, G02B 510
Patent
active
049213385
ABSTRACT:
An optical apparatus is described which reshapes rectangular cross-section laser beams, with toroidal divergence to generally square cross-section beams with plain or spherical divergence. The apparatus uses either two spherical mirrors or two pairs of spherical mirrors.
REFERENCES:
patent: 2941078 (1960-06-01), Montel
patent: 3669522 (1972-06-01), Anderson
patent: 3762794 (1973-10-01), Arnaud
patent: 4586795 (1986-05-01), Ono et al.
patent: 4588269 (1986-05-01), Kessler
Macken John A.
Zuryk John A.
Henry Jon W.
Johnson Larry D.
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