Optical integrator means for intensity modification of Gaussian

Details Optical integrator means for intensity modification of Gaussian Optical integrator means for intensity modification of Gaussian

1985-09-13

1987-04-07

Cuchlinski, Jr., William A.

Illumination

Revolving

362235, 362268, 362339, 350286, F21V 502, G02B 504

Patent

active

046565620

ABSTRACT:
Optical projection apparatus is disclosed for generating a planar light beam of substantially uniform intensity from a nonplanar multi-element light source projecting a beam having a generally Gaussian intensity distribution. In the preferred embodiment, an optical integrator rod having a faceted end face is used to essentially invert the cross-sectional intensity of the beam entering the entrance face so that when the beam leaves the exit face it has a generally uniform intensity. The body of the integrator rod serves to homogenize the nonplanar source into an exiting beam having substantially planar characteristics.

REFERENCES:
patent: 1326014 (1919-12-01), Bailey
patent: 3535507 (1970-10-01), Sugino
patent: 3670260 (1972-06-01), Koesler et al.
patent: 3813514 (1974-05-01), Canty
patent: 4399358 (1983-08-01), Burkhardt et al.
P. W. Rhodes et al., "Refractive Optical Systems for Irradiance Redistribution of Collimated Radiation: Their Design and Analysis", Applied Optics, vol. 19, No. 20, Oct. 15, 1980.

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