Application of diffractive optics to laser scan lenses

Dean Faklis; Song Peng; G. Michael Morris; Thomas A. Isberg

doi:10.1117/12.209036

12 May 1995 Application of diffractive optics to laser scan lenses

Dean Faklis, Song Peng, G. Michael Morris, Thomas A. Isberg

Proceedings Volume 2383, Micro-Optics/Micromechanics and Laser Scanning and Shaping; (1995) https://doi.org/10.1117/12.209036
Event: Photonics West '95, 1995, San Jose, CA, United States

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.

Citation Download Citation

Dean Faklis, Song Peng, G. Michael Morris, and Thomas A. Isberg "Application of diffractive optics to laser scan lenses", Proc. SPIE 2383, Micro-Optics/Micromechanics and Laser Scanning and Shaping, (12 May 1995); https://doi.org/10.1117/12.209036

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