Single binary optical element beam homogenizer

Details Single binary optical element beam homogenizer Single binary optical element beam homogenizer

1997-01-13

1999-11-16

Spyrou, Cassandra

Optical: systems and elements

Diffraction

From grating

359566, G02B 530

Patent

active

059868074

ABSTRACT:
A binary diffractive optical element is used as a single element beam homogenizer. The phase profile of the binary surface relief phase grating structure of the binary diffractive optical element will reprofile diffractively a spatially non-uniform intensity profile of a light beam into multiple overlapping beams which recombine to form a light beam with a more uniform intensity profile.

REFERENCES:
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patent: 4195913 (1980-04-01), Dourte et al.
patent: 4410237 (1983-10-01), Veldkamp
patent: 5061025 (1991-10-01), Debesis
patent: 5315427 (1994-05-01), Rauch et al.
patent: 5454004 (1995-09-01), Leger
patent: 5610733 (1997-03-01), Feldman et al.
patent: 5864430 (1999-01-01), Dickey et al.

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