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Optical Engineering

Fabrication of transmissive dielectric elastomer actuator driven tunable optical gratings with improved tunability
Author(s): Manu Bala Krishnan; Samuel Rosset; Shanti Bhattacharya; Herbert R. Shea
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Paper Abstract

We present an electrically actuated tunable optical grating based on dielectric elastomer actuators. A simple fabrication protocol is presented, which integrates the grating with the actuating mechanism both made of soft elastomers, improving the tunability of the grating. The device is designed to be operated in the transmission mode. It exhibits a continuous period tunability of 34.4% at an actuation voltage of 5.5 kV, which is an improvement over reported tunable optical gratings.

Paper Details

Date Published: 12 April 2016
PDF: 6 pages
Opt. Eng. 55(4) 047104 doi: 10.1117/1.OE.55.4.047104
Published in: Optical Engineering Volume 55, Issue 4
Show Author Affiliations
Manu Bala Krishnan, Indian Institute of Technology Madras (India)
Samuel Rosset, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Shanti Bhattacharya, Indian Institute of Technology Madras (India)
Herbert R. Shea, Ecole Polytechnique Fédérale de Lausanne (Switzerland)

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