Optical arrangement for deflecting a light beam

Details Optical arrangement for deflecting a light beam Optical arrangement for deflecting a light beam

2006-02-03

2008-03-18

Allen, Stephone B. (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S202100

Reexamination Certificate

active

07345800

ABSTRACT:
An optical arrangement for deflecting a light beam includes first and second deflection devices, and a coupling mirror. The first deflection device is rotatable about a first axis using a first rotary drive, and includes two mirrors disposed non-rotatably with respect to each other in an angular position so as to rotate jointly about the first axis. The second deflection device is rotatable about a second axis using a second rotary drive, and includes a third mirror. The coupling mirror deflects the light beam onto the first or second mirror at an angle greater than 45° relative to the surface of the mirror. The first and second axes are perpendicular to each other. The first and a second mirrors rotate jointly about the first axis so that the light beam rotates about a center of rotation located on the second axis.

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patent: 6618178 (2003-09-01), Engelhardt
patent: 7018042 (2006-03-01), Engelhardt
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patent: 2002/0008904 (2002-01-01), Engelhardt
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