Speckle-free display system using coherent light

Details Speckle-free display system using coherent light Speckle-free display system using coherent light

1992-07-29

1994-05-17

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Modulation

372 9, 372 98, H01S 310

Patent

active

053134796

ABSTRACT:
A speckle-free display system using coherent light is disclosed. The light is directed through a spinning diffusing element to illuminate a spatial light modulator. The spinning element is operable to move the interference patterns around the screen at a speed where it is undetectable to the human eye. The diffusing element is more than likely comprised of ground glass.

REFERENCES:
patent: 4922502 (1990-05-01), Unternattrer et al.

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