Volume 87, Number 6, September 2009
|Number of page(s)||4|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||05 October 2009|
A simple holographic technic for fabricating a LC/polymer switchable Fresnel lens
Laser Research Institute, Shahid Beheshti University - G.C. Evin, Tehran, Iran
Corresponding author: firstname.lastname@example.org
Accepted: 3 September 2009
In this article, we report on a novel technique for fabricating an electrically switchable Fresnel lens made from liquid-crystal–polymer composite. The Fresnel pattern is formed by means of interference between two planar and spherical wavefronts reflected from a single plano-convex lens. The simplicity of the procedure and capability to fabricate different focal lengths with the same arrangement are the unique advantages of this technique.
PACS: 42.40.Eq – Holographic optical elements; holographic gratings / 42.70.Df – Liquid crystals / 42.70.Ln – Holographic recording materials; optical storage media
© EPLA, 2009
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