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Tunable Polymer Lenses

Photonics Spectra
Mar 2011
Edmund Optics Inc.Request Info
 
Edmund Optics Inc. has introduced two liquid-filled lenses from Optotune Inc. The tunable polymer electrically and manually focused lenses replace multiple optical elements, including a lens kit, eliminating the complex alignment and optomechanical issues associated with multilens systems. The electrically focused models provide a single-lens solution for focus and zoom objectives. When the user applies a voltage to each compact planoconvex lens, the lens changes effective focal length. Each lens is filled with an optical liquid, and the change in voltage alters the pressure profile of the liquid, resulting in a change in radius of curvature. This electrical manipulation of the radius allows for a focal range of 15 to 100 mm and an aperture of 10 mm.


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GLOSSARY
concave
Describing a hollow curved surface; curved inward.
convex
Denoting a spherically shaped surface; curved outward.
polymer
A material whose molecular structure consists of long chains made up by the repetition of many (usually thousands) of similar groups of atoms.
zoom
To control, by magnifying or reducing, the size of a televised image, either electronically or optically.
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