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Optics Letters

Optics Letters


  • 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)

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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

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

Jay E. Stockley, Gary D. Sharp, Dave Doroski, and Kristina M. Johnson, "High-speed analog achromatic intensity modulator," Opt. Lett. 19, 758-760 (1994)

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