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Proceedings Paper

Application of diffractive optics to laser scan lenses
Author(s): Dean Faklis; Song Peng; G. Michael Morris; Thomas A. Isberg
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Paper Abstract

The control of optical distortion is useful for the design of a variety of optical systems including those used for laser scanning. A lens used for focusing a scanned laser beam onto a flat image field with constant intensity profile must also satisfy the f-(theta) condition, i.e., the image height is proportional to the input field angle itself, so that the scan velocity across the image plane remains constant. The lens needs to be free from coma, astigmatism, and field curvature and must have a prescribed amount of distortion. We describe the design and development of a diffractive f-(theta) lens and present experimental verification of the theoretical predictions.

Paper Details

Date Published: 12 May 1995
PDF: 5 pages
Proc. SPIE 2383, Micro-Optics/Micromechanics and Laser Scanning and Shaping, (12 May 1995); doi: 10.1117/12.209036
Show Author Affiliations
Dean Faklis, Univ. of Rochester (United States)
Song Peng, Univ. of Rochester (United States)
G. Michael Morris, Univ. of Rochester (United States)
Thomas A. Isberg, 3M Graphic Research Lab. (United States)

Published in SPIE Proceedings Vol. 2383:
Micro-Optics/Micromechanics and Laser Scanning and Shaping
M. Edward Motamedi; Leo Beiser, Editor(s)

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