PDMS-based, magnetically actuated variable optical attenuators obtained by soft lithography and inkjet printing technologies
De Pedro, S.; Cadarso, V. J.; Munoz-Berbel, X.; Plaza, J. A.; Sort, J.; Brugger, J.; Buettgenbach, S.; Llobera, A.
2014
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Abstract

This paper reports and compares the implementation of magnetic variable optical attenuators (M-VOA) by two fabrication strategies. In the first case, a two-layer structure containing a non-doped polydimethylsiloxane (PDMS) layer on a magnetic PDMS (M-PDMS) layer is fabricated by soft lithography (SLT). M-PDMS is obtained by doping PDMS with different ferrofluid (FF) volumes. The second technology consists of selectively dispense FF microdroplets using the inkjet printing technique (UP) on a non-doped, non-cured PDMS structure, previously defined by SLT. In this second case, FF volumes are encapsulated inside the polymer matrix. The optical and mechanical properties of structures fabricated using both strategies and containing similar ferrofluid amounts are compared. (C) 2014 Elsevier B.V. All rights reserved.

Details

Title PDMS-based, magnetically actuated variable optical attenuators obtained by soft lithography and inkjet printing technologies
Author(s) De Pedro, S. ; Cadarso, V. J. ; Munoz-Berbel, X. ; Plaza, J. A. ; Sort, J. ; Brugger, J. ; Buettgenbach, S. ; Llobera, A.
Published in Sensors And Actuators A-Physical
Pagination 6
Volume 215
Pages 30-35
Date 2014
Publisher Lausanne, Elsevier
ISSN 0924-4247
Keywords
DOI https://doi.org/10.1016/j.sna.2014.01.021
Other identifier(s) View record in Web of Science
Laboratories LMIS1
Record Appears in Scientific production and competences > STI - School of Engineering > IEM - Institut d'Electricité et de Microtechnique > LMIS1 - Microsystems Laboratory 1
Peer-reviewed publications
Work produced at EPFL
Journal Articles
Published
Record creation date 2014-08-29

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