Binary diffraction optical element for controlling scanning beam

Details Binary diffraction optical element for controlling scanning beam Binary diffraction optical element for controlling scanning beam

1993-12-23

1995-06-06

Ben, Loha

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359569, 359217, G02B 2608

Patent

active

054227534

ABSTRACT:
A binary diffractive optical element provides uniform intensity for the scanning beam of a raster output scanning (ROS) optical system by diffracting the excess intensity of the beam.

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W. Veldkamp & T. McHugh, "Binary Optics", Scientific American, vol. 266, No. 5, May 1992, pp. 92-97.
G. J. Swanson, "Binary Optics Technology: The Theory and Design of Multi-Level Diffractive Optical Elements", Lincoln Laboratory, Massachusetts Institute of Technology, Technical Report 854, 14 Aug. 1989.

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