Speckleless illumination of objects by laser light results when

Details Speckleless illumination of objects by laser light results when Speckleless illumination of objects by laser light results when

1995-05-08

1998-12-22

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Laser or radiation exposure other than visible light

430395, 430397, 359196, 359223, 359226, 359599, 355 67, 396155, G03C 508, G03C 504, G03C 700, G03B 2754

Patent

active

058517405

ABSTRACT:
When laser light is transmitted by or reflected by a diffuser onto an object being illuminated, the object is not evenly illuminated, but is speckled with large speckles.
The invention uses a moving diffuser which reduces the sizes of the speckles when the object is visually observed, and eliminates the speckles when a photographic film or plate is located at the object position and records the laser light.

REFERENCES:
patent: 3587424 (1971-06-01), Paine
patent: 3754814 (1973-08-01), Leith
patent: 4035068 (1977-07-01), Rawson

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