DMD illumination coupler

Details DMD illumination coupler DMD illumination coupler

1998-07-16

2000-02-08

Epps, Georgia

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359295, 359298, 359831, 359833, 359834, G02B 2608, G02B 504

Patent

active

060233656

ABSTRACT:
A DMD illumination coupler, and a method of improving the wavefront quality of a transmitted illumination beam over the prior art using the invented DMD illumination coupler are disclosed. The invented DMD illumination coupler comprises an angularly selective reflective thin film. The invented DMD illumination coupler has the characteristics of high optical quality and cost effectiveness. The application of the invented DMD illumination coupler in holographic systems is also discussed.

REFERENCES:
patent: 4680579 (1987-07-01), Ott
patent: 5420655 (1995-05-01), Shimizu
patent: 5548443 (1996-08-01), Huang
patent: 5552922 (1996-09-01), Magarill
patent: 5796526 (1998-08-01), Anderson

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