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Optics Letters

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  • Vol. 19, Iss. 10 — May. 15, 1994
  • pp: 758–760

High-speed analog achromatic intensity modulator

Jay E. Stockley, Gary D. Sharp, Dave Doroski, and Kristina M. Johnson  »View Author Affiliations


Optics Letters, Vol. 19, Issue 10, pp. 758-760 (1994)
http://dx.doi.org/10.1364/OL.19.000758


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Abstract

We report what is to our knowledge the first implementation of a broadband analog intensity modulator composed of two chiral smectic liquid-crystal half-wave retarders. A reflection-mode intensity modulator employing a single active device has also demonstrated achromatic transmission. A quantitative theory for chromatic compensation is presented. By optimum selection of liquid-crystal retardance and orientation, intensity transmission is uniform throughout the visible. The chiral smectic liquid-crystal devices used in the implementation are capable of switching in less than 20 μs.

© 1994 Optical Society of America

History
Original Manuscript: October 18, 1993
Published: May 15, 1994

Citation
Jay E. Stockley, Gary D. Sharp, Dave Doroski, and Kristina M. Johnson, "High-speed analog achromatic intensity modulator," Opt. Lett. 19, 758-760 (1994)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-19-10-758


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References

  1. G. Anderson, I. Dahl, L. Komitov, S. Lagerwall, K. Skarp, B. Stebler, J. Appl. Phys. 66, 4983 (1989). [CrossRef]
  2. G. Sharp, “Chiral smectic liquid crystal tunable optical filters and modulators,” Ph.D. dissertation (University of Colorado at Boulder, Boulder, Colo., 1992).
  3. S. Garoff, R. B. Meyer, Phys. Rev. Lett. 38, 848 (1977). [CrossRef]
  4. The British Drug House mixture BDH 764E is available from Merck Ltd., WestQuay Road, Poole BH15 1HX, England.
  5. W. A. Shurcliff, S. S. Ballard, Polarized Light (Van Nostrand, Princeton, N.J., 1964), pp. 87–95.

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