High efficiency beam distribution with independent wavefront...

Details High efficiency beam distribution with independent wavefront... High efficiency beam distribution with independent wavefront...

2007-10-09

2007-10-09

Allen, Stephone B. (Department: 2872)

Optical: systems and elements

Polarization without modulation

By relatively adjustable superimposed or in series polarizers

C359S490020, C359S834000, C362S339000

Reexamination Certificate

active

11195545

ABSTRACT:
A beam distribution apparatus includes a stack of parallelogram prisms and beam-splitting coatings each located between opposing parallel faces of adjacent parallelogram prisms. The stack is mounted on an entrance face of a triangular prism. The triangular prism includes the entrance face, a reflective face, and an exit face. The reflective face has optical surfaces for shaping output beams from the stack and reflecting the output beams through the exit face.

REFERENCES:
patent: 4576436 (1986-03-01), Daniel
patent: 6690513 (2004-02-01), Hulse et al.
patent: 7175332 (2007-02-01), Tang
patent: 2006/0001970 (2006-01-01), Facius

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