Optical scanning system with anamorphic optical system

Details Optical scanning system with anamorphic optical system Optical scanning system with anamorphic optical system

1980-03-03

1982-03-09

Henry, Jon W.

350 68, G02B 2717

Patent

active

043185835

ABSTRACT:
An optical scanning system is disclosed in which only an anamorphic optical system is disposed between a deflector and a scanned surface. The anamorphic optical system comprises a first anamorphic optical system which focuses light in the direction of the scanning line and a second anamorphic optical system which focuses light in a plane normal to the scanning line. The first anamorphic optical system is composed of one or two cylindrical lenses and has an optical means for moving the beam on the scanned surface at uniform speed. The second anamorphic optical system functions to correct a positional error of the scanning beam on the scanned surface caused by the inclination of the deflector from its normal position.

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