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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 23, Iss. 16 — Aug. 15, 1984
  • pp: 2774–2777

Adaptive spherical lens

Stephen T. Kowel, Philipp Kornreich, and Akbar Nouhi  »View Author Affiliations


Applied Optics, Vol. 23, Issue 16, pp. 2774-2777 (1984)
http://dx.doi.org/10.1364/AO.23.002774


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Abstract

This paper reports the creation of a tandem liquid crystal cell arrangement capable of simulating the performance of a spherical lens. Electrical modulation of the index of refraction creates focusing behavior. The modulation is induced by a set of electrodes whose individual voltages are arranged to provide a cylindrical exit wave front for a uniform plane-wave input. Two such cells with orthogonal electrodes arranged in cascade create spherical lens performance. Experimental evidence using a lens with a relatively small number of electrodes is presented. Applications for such structures, once improved, would include real-time focus adjustment for optical disk readers and hand-held photographic equipment as well as aberration compensation for long path-length optical systems.

© 1984 Optical Society of America

History
Original Manuscript: December 22, 1983
Published: August 15, 1984

Citation
Stephen T. Kowel, Philipp Kornreich, and Akbar Nouhi, "Adaptive spherical lens," Appl. Opt. 23, 2774-2777 (1984)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-23-16-2774


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References

  1. S. T. Kowel, D. S. Cleverly, “A Liquid Crystal Adaptive Lens,” in Proceedings, NASA Conference on Optical Information Processing for Aerospace Applications, Hampton, Va. (1981).
  2. D. S. Cleverly, “Creation of a Lens by Field-Controlled Variation of the Index of Refraction in a Liquid Crystal,” Ph.D. Dissertation, Syracuse U., Syracuse, N.Y. (1982).
  3. S. T. Kowel, D. S. Cleverly, P. G. Kornreich, “Focusing by Electrical Modulation of Refraction in a Liquid Crystal Cell,” Appl. Opt. 23, 278 (1984). [CrossRef] [PubMed]
  4. J. W. Goodman, Introduction to Fourier Optics (McGraw-Hill, New York, 1968).

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