Beam scanner

Details Beam scanner Beam scanner

1995-05-04

1997-02-04

Dzierzynski, Paul M.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359196, 359198, 359212, G02B 2608

Patent

active

056004770

ABSTRACT:
A beam scanner has a beam deflector mounted within a hollow shield having a beam entrance aperture and a beam exit aperture. The beam exit aperture is sealed by a window through which the deflected beam exits the hollow shield. A spin motor rotates the hollow shield, beam deflector and the window about a spin axis. A hydraulic system maintains the periphery of the window in an undistorted condition.

REFERENCES:
patent: 4131916 (1978-12-01), Landsman
patent: 4723833 (1988-02-01), Yamada
patent: 4796963 (1989-01-01), Yoshimura
patent: 5052782 (1991-10-01), Myer
patent: 5420714 (1995-05-01), Zelenka

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