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Tunable photonic devices by 3D laser printing of liquid crystal elastomers

Liquid crystal elastomers (LCEs) are highly suitable materials for the fabrication of flexible photonic elements due to their ability for directional actuation induced by external stimuli. 3D laser printing (3DLP) is a well-established method to realize complex photonic architectures. In this paper,...

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Main Authors: Woska, Simon (Author) , Münchinger, Alexander (Author) , Beutel, Dominik (Author) , Blasco, Eva (Author) , Hessenauer, Jannis (Author) , Karayel, Osman (Author) , Rietz, Pascal (Author) , Pfleging, Stefan (Author) , Oberle, Roman (Author) , Rockstuhl, Carsten (Author) , Wegener, Martin (Author) , Kalt, Heinz (Author)
Format: Article (Journal)
Language:English
Published: 2020
In: Optical materials express
Year: 2020, Volume: 10, Issue: 11, Pages: 2928-2943
ISSN:2159-3930
DOI:10.1364/OME.402855
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1364/OME.402855
Verlag, lizenzpflichtig, Volltext: https://opg.optica.org/ome/abstract.cfm?uri=ome-10-11-2928
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Author Notes:Simon Woska, Alexander Münchinger, Dominik Beutel, Eva Blasco, Jannis Hessenauer, Osman Karayel, Pascal Rietz, Stefan Pfleging, Roman Oberle, Carsten Rockstuhl, Martin Wegener, and Heinz Kalt
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Summary:Liquid crystal elastomers (LCEs) are highly suitable materials for the fabrication of flexible photonic elements due to their ability for directional actuation induced by external stimuli. 3D laser printing (3DLP) is a well-established method to realize complex photonic architectures. In this paper, we present the technological adaptations necessary to combine the actuation-controlled flexibility of LCE with the design options inherent to 3DLP to realize a platform for tunable photonics. The role of birefringence of the LCE in the 3DLP fabrication is addressed and theoretically modelled. We demonstrate how LCEs can be used both as a flexible substrate for arrays of rigid photonic elements and as a material for tunable photonic structures itself. Flexible coupling of two optical whispering gallery mode cavities and full spectral tunability of a single cavity are presented as exemplary applications.
Item Description:First published: 07 October 2020
Gesehen am 12.10.2022
Physical Description:Online Resource
ISSN:2159-3930
DOI:10.1364/OME.402855

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