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Proceedings Paper

Reducing laser speckle with electroactive polymer actuators
Author(s): Chauncey Graetzel; Marcel Suter; Manuel Aschwanden
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Paper Abstract

Laser light sources have inherent advantages in terms of brightness and low beam divergence. However, the coherence of lasers causes speckle to form on the target. In this paper, we show how electroactive polymers can provide a compact and energy-efficient solution to reduce laser speckles. The design parameters are discussed. The speckle reducers are characterized both mechanically and optically. Finally, a case-study is presented, illustrating the implementation of the speckle reducer into a compact laser projector system.

Paper Details

Date Published: 1 April 2015
PDF: 8 pages
Proc. SPIE 9430, Electroactive Polymer Actuators and Devices (EAPAD) 2015, 943004 (1 April 2015); doi: 10.1117/12.2086088
Show Author Affiliations
Chauncey Graetzel, Optotune Switzerland AG (Switzerland)
Marcel Suter, Optotune Switzerland AG (Switzerland)
Manuel Aschwanden, Optotune Switzerland AG (Switzerland)


Published in SPIE Proceedings Vol. 9430:
Electroactive Polymer Actuators and Devices (EAPAD) 2015
Yoseph Bar-Cohen, Editor(s)

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