High speed, high efficiency optical pattern generator using...

Details High speed, high efficiency optical pattern generator using... High speed, high efficiency optical pattern generator using...

2007-02-26

2008-08-12

Cherry, Euncha P (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S209100

Reexamination Certificate

active

07411711

ABSTRACT:
An optical pattern generator includes one or more multi-faceted rotating optical elements that introduce an offset that is rotation insensitive. The component that generates the offset is rotationally symmetric around the rotational axis of the optical element. Thus, as the optical element rotates, the effect of the offset component does not change. In addition, rotating optical elements may be designed to counteract unwanted optical effects of each other.

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