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[Conference]EWOD system designed for optical switching


Abstract:

This paper presents the design and experimental characterization of a microfluidic system comprising a novel bi-phasic liquid combination actuated by EWOD (electrowetting-on-dielectrics). The two immiscible liquids feature a high difference in refractive indices (0.16–0.23) and a low absorption (<4.3 dB/cm) in the telecommunication wavelength range (1260–1650 nm), which open up new application fields for microfluidics. Utilizing the presented fluidic design, a bi-stable, non-volatile switch is implemented for optical waveguide couplers. The droplet movement is demonstrated with liquid combinations exhibiting specifically chosen refractive indices.

Conference: Micro Electro Mechanical Systems (MEMS), 2017 IEEE 30th International Conference on Micro Electro Mechanical Systems (MEMS)

Date of Conference: 22-26 Jan. 2017

Date Added to IEEE Xplore: 28 February 2017

S. Degenhardt1, C. Endrödy1, S. Si1, S. Weinberger2, R. Claes3, Y. Justo3, H. D’heer4, A. Neft5 and M. Hoffmann1

1 Micromechanical Systems Group, IMN MacroNano®, Technische Universität Ilmenau, GERMANY

2 X-FAB MEMS Foundry Itzehoe GmbH, GERMANY

3 ChemStream, Edegem, BELGIUM

4 Photonics Research Group, Ghent University – imec, BELGIUM

5 Bartels Mikrotechnik GmbH, Dortmund, GERMANY

DOI: 10.1109/MEMSYS.2017.7863665

Publisher: IEEE

Link:http://ieeexplore.ieee.org/abstract/document/7863665/

Link to PDF: http://www.swift-fp7.eu/library/news/PID4582777_submitted.pdf

#optofluidic #MEMS #digitalmicrofluidics

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