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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 19, Iss. 14 — Jul. 15, 1994
  • pp: 1013–1015

Three-terminal adaptive nematic liquid-crystal lens device

Nabeel A. Riza and Michael C. DeJule  »View Author Affiliations


Optics Letters, Vol. 19, Issue 14, pp. 1013-1015 (1994)
http://dx.doi.org/10.1364/OL.19.001013


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Abstract

A 1 mm × 1 mm nematic liquid-crystal three-terminal device for optical beam forming (focusing/spoiling) is fabricated. A thin-film-resistor network on the device substrate layer is used to control the voltages on the 98 internal lens electrodes by use of only one variable external driver. By using a high-resistance thin-film layer of amorphous silicon under the 98-element parallel electrode structure layer, we generate a near-continuous index perturbation to form a cylindrical lens. The focal length of this lens is continuously variable from inifinity to 12 cm by use of a variable 1–4-V-peak 1-kHz square-wave external terminal control signal.

© 1994 Optical Society of America

History
Original Manuscript: March 16, 1994
Published: July 15, 1994

Citation
Nabeel A. Riza and Michael C. DeJule, "Three-terminal adaptive nematic liquid-crystal lens device," Opt. Lett. 19, 1013-1015 (1994)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-19-14-1013

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