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Optics Letters

Optics Letters


  • Vol. 30, Iss. 4 — Feb. 15, 2005
  • pp: 376–378

Hermaphroditic liquid-crystal microlens

Hongwen Ren, Janet R. Wu, Yun-Hsing Fan, Yi-Hsin Lin, and Shin-Tson Wu  »View Author Affiliations

Optics Letters, Vol. 30, Issue 4, pp. 376-378 (2005)

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We demonstrate a flat microlens that exhibits hermaphroditic focusing properties. When the input polarization is parallel (perpendicular) to the liquid-crystal directors, the lens exhibits a positive (negative) focal length. To select the proper polarization, we could rotate the polarizer (or the lens) mechanically or by use of an electrically controlled twisted nematic liquid-crystal cell. Details of the lens structure and of the device's fabrication and performance are described.

© 2005 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals
(230.3720) Optical devices : Liquid-crystal devices
(350.3950) Other areas of optics : Micro-optics

Hongwen Ren, Janet R. Wu, Yun-Hsing Fan, Yi-Hsin Lin, and Shin-Tson Wu, "Hermaphroditic liquid-crystal microlens," Opt. Lett. 30, 376-378 (2005)

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