Holographic scanning system utilizing a scan linearization lens

G - Physics – 02 – B

Patent

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88/96, 88/0.14

G02B 7/24 (2006.01) G02B 5/32 (2006.01) G02B 26/10 (2006.01) G02B 27/18 (2006.01) G02B 27/22 (2006.01) G02B 27/42 (2006.01) G03B 21/00 (2006.01) G03B 35/00 (2006.01) G03H 1/04 (2006.01) G03H 1/22 (2006.01) G06K 7/00 (2006.01) G06K 7/10 (2006.01) G11B 7/00 (2006.01) G11C 13/04 (2006.01) G11C 17/00 (2006.01) H04N 1/04 (2006.01)

Patent

CA 1245892

-1- ABSTRACT OF THE DISCLOSURE An optical scanning system utilizing a spinner component having plane diffraction gratings thereon and a focusing lens adapted to compensate for linearization errors at the recording plane. The lens includes optical elements which compensate for the 3rd and 5th order coefficients of distortion associated with this type of diffraction scanning component.

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