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. 2014 Feb 18;7(2):1296–1317. doi: 10.3390/ma7021296

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© 2014 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 9. — (a) Light shutter based on acoustic modulation of PDLC. The shutter effect is caused by realignment of liquid crystal molecules; (b) experimental demonstration of acoustic driven light shutter. Letters of “PDLC” beneath the PDLC film can be clearly observed after SAW applied. Transmission changes before and after SAW applied is shown. Response time can be estimated. All figures are adapted from reference [49].