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Diffractive Transmission Grating Tuned by Dielectric Elastomer Actuator

A technology for the implementation of electrically tunable optical elements is presented. We illustrate, on the example of a transmission grating (TG), that dielectric elastomer actuators can be used to continuously adjust the properties of diffractive optical elements. The demonstrated TG operates...

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Published in:	IEEE photonics technology letters 2007-07, Vol.19 (14), p.1090-1092
Main Authors:	Aschwanden, M., Beck, M., Stemmer, A.
Format:	Article
Language:	English
Subjects:	Actuators Adaptive optics beam steering Compressing dielectric elastomer actuator (DEA) Dielectrics diffraction Diffraction gratings Diffractive optical elements Elastomers Gratings (spectra) Lenses Optical devices Optical diffraction Optical distortion Optical filters Optical polarization Optical tuning Phase shifters tunable grating Tuning
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creator	Aschwanden, M. Beck, M. Stemmer, A.
description	A technology for the implementation of electrically tunable optical elements is presented. We illustrate, on the example of a transmission grating (TG), that dielectric elastomer actuators can be used to continuously adjust the properties of diffractive optical elements. The demonstrated TG operates with high transmission, low optical distortion (93 kW/cm 2 ), is polarization-independent, and achieves a very large tuning range (7.5% grating period compression). Extending the presented technology to other optical elements, including lenses, phase shifters, or intensity filters, is expected to result in a wide range of electrically tunable optical devices.
doi_str_mv	10.1109/LPT.2007.900055
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source	IEEE Electronic Library (IEL) Journals
subjects	Actuators Adaptive optics beam steering Compressing dielectric elastomer actuator (DEA) Dielectrics diffraction Diffraction gratings Diffractive optical elements Elastomers Gratings (spectra) Lenses Optical devices Optical diffraction Optical distortion Optical filters Optical polarization Optical tuning Phase shifters tunable grating Tuning
title	Diffractive Transmission Grating Tuned by Dielectric Elastomer Actuator
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