Prof. Helmut F. Schlaak Profile

Prof. Helmut F. Schlaak

Emeritus Professor at Technische Univ Darmstadt

SPIE Involvement:

Author

Publications (34)

Proceedings Article | 13 March 2019 Presentation + Paper

Design, fabrication, and customized driving of dielectric loudspeaker arrays

Florian Klug, Christian Endl, Susana Solano-Arana, Helmut Schlaak

Proceedings Volume 10966, 109662I (2019) https://doi.org/10.1117/12.2515311

KEYWORDS: Custom fabrication, Electroactive polymers, Dielectric elastomer actuators, Digital signal processing

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Proceedings Article | 27 March 2018 Paper

Investigation of the thermal effects in dynamically driven dielectric elastomer actuators

Mario Kleo, Holger Mößinger, Florentine Förster-Zügel, Helmut Schlaak, Thomas Wallmersperger

Proceedings Volume 10594, 105940G (2018) https://doi.org/10.1117/12.2295924

KEYWORDS: Electrodes, Dielectrics, Polymers, Dielectric elastomer actuators, Thermal effects, Numerical simulations, Actuators, Temperature metrology, Dielectric polarization, Thermal analysis

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Proceedings Article | 25 April 2017 Paper

Micromixer based on dielectric stack actuators for medical applications

Susana Solano-Arana, Florian Klug, Holger Mößinger, Florentine Förster-Zügel, Helmut Schlaak

Proceedings Volume 10163, 1016332 (2017) https://doi.org/10.1117/12.2259972

KEYWORDS: Actuators, Microfluidics, Electrodes, Dielectrics, Solids, Mechanics, Capacitors, Protactinium, Electroactive polymers, Dielectric elastomer actuators

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Proceedings Article | 17 April 2017 Paper

Fabrication of dielectric elastomer stack transducers (DEST) by liquid deposition modeling

Florian Klug, Susana Solano-Arana, Holger Mößinger, Florentine Förster-Zügel, Helmut Schlaak

Proceedings Volume 10163, 101632Q (2017) https://doi.org/10.1117/12.2256713

KEYWORDS: Electrodes, Actuators, Current controlled current source, Head, 3D printing, Dielectrics, Liquids, Transducers, 3D modeling, Manufacturing, Electroactive polymers, Dielectric elastomer actuators, Fabrication, Prototyping, Computing systems

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Proceedings Article | 15 April 2016 Paper

Switchable adhesion for wafer-handling based on dielectric elastomer stack transducers

T. Grotepaß, J. Butz, F. Förster-Zügel, H. Schlaak

Proceedings Volume 9798, 97983B (2016) https://doi.org/10.1117/12.2220771

KEYWORDS: Adhesives, Actuators, Robotics, Dielectric elastomer actuators, Silicon, Silicon carbide, Electrodes, Glasses, Metals

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Proceedings Article | 15 April 2016 Paper

Simulation of the transient electromechanical behaviour of dielectric elastomer transducers

Holger Mößinger, Florentine Förster-Zügel, Helmut Schlaak

Proceedings Volume 9798, 979831 (2016) https://doi.org/10.1117/12.2219133

KEYWORDS: Numerical modeling, Dielectric elastomer actuators, Dielectrics, Finite element methods, Transducers, Electrodynamics, Electromechanical design, Systems modeling, Electrodes, Protactinium, Resistance, Thermal modeling, Data modeling

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Proceedings Article | 7 March 2016 Paper

Sensor structure concepts for the analysis or local radiation exposure of biological samples at terahertz and millimeter wave frequencies

Fabian Dornuf, Roland Dörr, David Lämmle, Helmut Schlaak, Viktor Krozer

Proceedings Volume 9706, 97061U (2016) https://doi.org/10.1117/12.2205583

KEYWORDS: Sensors, Extremely high frequency, Biological research, Terahertz radiation, Waveguides, Spectroscopy, Microfluidics, Glucose, Systems modeling, Structural design, Dielectrics

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Proceedings Article | 1 April 2015 Paper

Adhesion promoters for large scale fabrication of dielectric elastomer stack transducers (DESTs) made of pre-fabricated dielectric films

T. Grotepaß, F. Förster-Zügel, H. Mößinger, H. Schlaak

Proceedings Volume 9430, 94302O (2015) https://doi.org/10.1117/12.2084244

KEYWORDS: Dielectrics, Adhesives, Plasma, Transducers, Electrodes, Polymers, Silicon, Plasma treatment, Diffusion, Ultraviolet radiation

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Proceedings Article | 1 April 2015 Paper

A passive autofocus system by using standard deviation of the image on a liquid lens

Pejman Rasti, Arko Kesküla, Henry Haus, Helmut Schlaak, Gholamreza Anbarjafari, Alvo Aabloo, Rudolf Kiefer

Proceedings Volume 9430, 94301Q (2015) https://doi.org/10.1117/12.2084198

KEYWORDS: Liquid lenses, Liquids, Actuators, Cameras, Dielectric elastomer actuators, Dielectrics, Ultrasonics, Infrared radiation, Imaging systems, Cell phones

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Proceedings Article | 1 April 2015 Paper

Characterization of the dielectric breakdown field strength of PDMS thin films: thickness dependence and electrode shape

Florentine Förster-Zügel, Tanja Grotepaß, Helmut Schlaak

Proceedings Volume 9430, 94300D (2015) https://doi.org/10.1117/12.2084504

KEYWORDS: Dielectric breakdown, Electrodes, Dielectrics, Thin films, Transducers, Statistical analysis, Numerical simulations, Actuators, Polymers, Silver

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Proceedings Article | 8 March 2014 Paper

Tactile feedback to the palm using arbitrarily shaped DEA

Holger Mößinger, Henry Haus, Michaela Kauer, Helmut Schlaak

Proceedings Volume 9056, 90563C (2014) https://doi.org/10.1117/12.2045302

KEYWORDS: Actuators, Electrodes, 3D printing, Computer aided design, Sensors, Manufacturing, Human-machine interfaces, Spatial resolution, Matrices, Skin

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Proceedings Article | 8 March 2014 Paper

Dynamic performance of silicone dielectric elastomer actuators with bi-stable buckled beams

Davide Gatti, Cameron Tropea, Helmut Schlaak

Proceedings Volume 9056, 905638 (2014) https://doi.org/10.1117/12.2045048

KEYWORDS: Actuators, Electrodes, Chemical elements, Dielectrics, Silicon, Dielectric elastomer actuators, Electroactive polymers, Amplifiers, Solids, Control systems

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Proceedings Article | 8 March 2014 Paper

Optimized deformation behavior of a dielectric elastomer generator

Florentine Foerster, Helmut Schlaak

Proceedings Volume 9056, 905637 (2014) https://doi.org/10.1117/12.2045047

KEYWORDS: Capacitance, Numerical simulations, Dielectrics, Electrodes, Energy harvesting, Computer simulations, Finite element methods, Silicon, Efficient operations, Electromechanical design

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Proceedings Article | 9 April 2013 Paper

Validated numerical simulation model of a dielectric elastomer generator

Florentine Foerster, Holger Moessinger, Helmut Schlaak

Proceedings Volume 8687, 868712 (2013) https://doi.org/10.1117/12.2009342

KEYWORDS: Electrodes, Numerical simulations, Dielectrics, Computer simulations, Energy harvesting, Electroluminescence, Finite element methods, Ions, Efficient operations, Energy efficiency

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Proceedings Article | 9 April 2013 Paper

Development of an active isolation mat based on dielectric elastomer stack actuators for mechanical vibration cancellation

Roman Karsten, Klaus Flittner, Henry Haus, Helmut Schlaak

Proceedings Volume 8687, 86870Y (2013) https://doi.org/10.1117/12.2009235

KEYWORDS: Actuators, Silicon, Dielectrics, Finite element methods, Active isolation, Electrodes, Ions, Signal attenuation, Electroactive polymers, Spherical lenses

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Proceedings Article | 9 April 2013 Paper

Electrical modeling of dielectric elastomer stack transducers

Henry Haus, Marc Matysek, Holger Moessinger, Klaus Flittner, Helmut Schlaak

Proceedings Volume 8687, 86871D (2013) https://doi.org/10.1117/12.2009959

KEYWORDS: Capacitance, Dielectrics, Actuators, Transducers, Resistance, Electrodes, Capacitors, Electroluminescence, Dielectrophoresis, Interfaces

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Proceedings Article | 4 April 2012 Paper

Adaptive absorber based on dielectric elastomer stack actuator with variable stiffness

Roman Karsten, Helmut Schlaak

Proceedings Volume 8340, 834020 (2012) https://doi.org/10.1117/12.915238

KEYWORDS: Actuators, Silicon, Dielectrics, Electrodes, Dielectric elastomer actuators, Velocity measurements, Sensors, Electroactive polymers, Electromechanical design, Signal attenuation

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Proceedings Article | 5 May 2011 Paper

Fabrication technologies for the electrode structure of a dielectric elastomer bending tube actuator

F. Wehrheim, H. Schlaak

Proceedings Volume 8066, 80662B (2011) https://doi.org/10.1117/12.886441

KEYWORDS: Electrodes, Actuators, Dielectrics, Laser cutting, Manufacturing, Silicon, Metals, Distortion, Dielectric elastomer actuators, Coating

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