Micro-optic lens for data storage

Tom D. Milster, Robert M. Trusty, Mark S. Wang, Fred F. Froehlich, J. K. Erwin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

A new type of microlens is described for data storage applications that has improved off-axis performance. The lens consists of a micro-Fresnel pattern on a curved substrate. The radius of the substrate is equal to the focal length of the lens. If the pattern and substrate are thin, the combination satisfies the Abbe sine condition. Therefore, the lens is free of coma. A 0.5 numerical aperture and 0.50 mm focal length lens are described in detail. A 0.16 numerical aperture lens was fabricated holographically, and results are presented.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
PublisherPubl by Int Soc for Optical Engineering
Pages286-292
Number of pages7
ISBN (Print)0819406082, 9780819406088
DOIs
StatePublished - 1991
EventOptical Data Storage '91 - Colorado Springs, CO, USA
Duration: Feb 25 1991Feb 27 1991

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume1499
ISSN (Print)0277-786X

Other

OtherOptical Data Storage '91
CityColorado Springs, CO, USA
Period2/25/912/27/91

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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  • Cite this

    Milster, T. D., Trusty, R. M., Wang, M. S., Froehlich, F. F., & Erwin, J. K. (1991). Micro-optic lens for data storage. In Proceedings of SPIE - The International Society for Optical Engineering (pp. 286-292). (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 1499). Publ by Int Soc for Optical Engineering. https://doi.org/10.1117/12.45900