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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 14 — May. 10, 2000
  • pp: 2332–2339

Tunable electro-optic microlens array. I. Planar geometry

Mykola Kulishov  »View Author Affiliations


Applied Optics, Vol. 39, Issue 14, pp. 2332-2339 (2000)
http://dx.doi.org/10.1364/AO.39.002332


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Abstract

A description is given of a microlens array design, believed to be new, with tunable focal length. Converging or diverging periodic refractive-index distribution is induced in a linear electro-optic wafer through the application of electric field profiles on both sides of the wafer. The transparent electrodes on both sides of the wafer are positioned such that the electrodes on the opposite side compensate the phase delay from the electrodes on the front side of the wafer for a normally incident plane wave, suppressing the intrinsic electrode diffraction for the device without applied voltage. The original technique of the electric field calculation was developed to analyze accurately the induced refractive index inside the wafer. Its focal length changes from 7 mm to infinity at a 1-µm wavelength with an external voltage range of 0–100 V.

© 2000 Optical Society of America

OCIS Codes
(060.5060) Fiber optics and optical communications : Phase modulation
(110.2760) Imaging systems : Gradient-index lenses
(120.5710) Instrumentation, measurement, and metrology : Refraction
(130.3120) Integrated optics : Integrated optics devices
(160.2100) Materials : Electro-optical materials

History
Original Manuscript: September 23, 1999
Revised Manuscript: January 6, 2000
Published: May 10, 2000

Citation
Mykola Kulishov, "Tunable electro-optic microlens array. I. Planar geometry," Appl. Opt. 39, 2332-2339 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-14-2332

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