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Jürgen Brugger

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Related publications (329)

Bi-directional AC electrothermal micropump for on-chip biological applications

Philippe Renaud, Harald Van Lintel, Jürgen Brugger, Reza Hadjiaghaie Vafaie

The ability to control and pump high ionic strength fluids inside microchannels forms a major advantage for clinical diagnostics and drug screening processes, where high conductive biological and physiological buffers are used. Despite the known potential ...

Wiley-Blackwell2016

Plasmonic photo-current in freestanding monolayered gold nanoparticle membranes

Jürgen Brugger

We report on photo-current generation in freestanding monolayered gold nanoparticle membranes excited by using a focused laser beam. The absence of a substrate leads to a 50% increase of the photo-current at the surface plasmon resonance. This current is a ...

Royal Society of Chemistry2016

Scanning thermal probe microscope method for the determination of thermal diffusivity of nanocomposite thin films

Jürgen Brugger, Khushboo Agarwal

A commercial scanning thermal microscope has been upgraded to facilitate its use in estimating the radial thermal diffusivity of thin films close to room temperature. The modified setup includes a microcontroller driven microhotplate coupled with a Bluetoo ...

2016

Electron Energy-Loss Spectroscopy of Coupled Plasmonic Systems: Beyond the Standard Electron Perspective

Jürgen Brugger, Olivier Martin, Valentin Flauraud, Gabriel David Bernasconi, Jérémy Butet

Electron energy-loss spectroscopy (EELS) has become an experimental method of choice for the investigation of localized surface plasmon resonances, allowing the simultaneous mapping of the associated field distributions and their resonant energies with a n ...

Spie-Int Soc Optical Engineering2016

Rapid carbon nanotubes suspension in organic solvents using organosilicon polymers

Jürgen Brugger, Jonas Grossenbacher, Rosario Maurizio Gullo

A strategy for a simple dispersion of commercial multi-walled carbon nanotubes (MWCNTs) using two organosilicones, polycarbosilane SMP10 and polysilazane Ceraset PSZ20, in organic solvents such as cyclohexane, tetrahydrofuran (THF), m-xylene and chloroform ...

Elsevier2016

Plasmonic photoconductance in free-standing monolayered gold nanoparticle membranes

Jürgen Brugger

We report on photo-current generation in freestanding monolayered gold nanoparticle membranes excited by using a laser. The absence of a substrate leads to a 50% increase of the photocurrent at plasmon resonance. This current is attributed to a combination ...

Ieee2016

Penciling A Triboelectric Power Source On Paper

Jürgen Brugger, Xiao Sheng Zhang

We present a novel triboelectric nanogenerator (TENG) based on a paper-Teflon configuration fabricated by an easy and cost-efficient process. Carbon electrodes were hand-drawn by means of a graphite pencil on commercial paper cards, and the conductivity wa ...

Ieee2016

Resistless nanofabrication by stencil lithography: A review

Jürgen Brugger, Oscar Vazquez Mena, Luis Guillermo Villanueva Torrijo

We present a review on stencil lithography and focus on the particular interest and challenges when applying it to the scalable fabrication of nm-size devices. We first describe the basic technique with its main advantages and challenges. Then we review th ...

Elsevier2015

Transflective holographic film for head worn display

Jürgen Brugger, Jonas Grossenbacher, Victor Javier Cadarso Busto, Christophe Moser, Eric Tremblay

A display panel assembly comprises a transflective holographic screen, i.e., a transparent screen that reflects light from a projection system, comprising at least a volume hologram, a first protective element and a second protective element, each arranged ...

2015

Organic-inorganic-hybrid-polymer microlens arrays with tailored optical characteristics and multi-focal properties

Jürgen Brugger, Loïc Jacot-Descombes, Victor Javier Cadarso Busto

Plano-convex microlens arrays of organic-inorganic polymers with tailored optical properties are presented. The fine-tuning of each microlens within an array is achieved by confining inkjet printed drops of the polymeric ink onto pre-patterned substrates. ...

Optical Society of America2015

On the micrometre precise mould filling of liquid polymer derived ceramic precursor for 300-µm-thick high aspect ratio ceramic MEMS

Jürgen Brugger, Jonas Grossenbacher, Rosario Maurizio Gullo

This paper describes a novel and scalable method for the fabrication of polymer derived ceramics (PDC) structures with high aspect ratio and micrometre scale features. Elastomeric micro-moulds composed of a filling pot are used to deliver via sacrificial m ...

Elsevier2015

Reflective optical objective

Jürgen Brugger, Davor Kosanic, Bastien Rachet, Victor Javier Cadarso Busto

The present invention relates to a reflective optical objective (1) comprising: —a first reflecting element (3) including a front surface (3a) and a hack surface (3b), the front surface (3a) including a convex reflecting surface (11); and —a second reflect ...

2015

Automated Real-Time Control of Fluidic Self-Assembly of Microparticles

Alcherio Martinoli, Jürgen Brugger, Massimo Mastrangeli, Felix Stephan Schill, Helmut Knapp

Self-assembly is a key coordination mechanism for large multi-unit systems and a powerful bottom-up technology for micro/nanofabrication. Controlled self-assembly and dynamic reconfiguration of large ensembles of microscopic particles can effectively bridg ...

2014

PDMS-based, magnetically actuated variable optical attenuators obtained by soft lithography and inkjet printing technologies

Jürgen Brugger, Victor Javier Cadarso Busto

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) ...

Elsevier2014

Liquid-Filled Sealed Mems Capsules Fabricated By Fluidic Self-Assembly

Jürgen Brugger, Loïc Jacot-Descombes, Rosario Maurizio Gullo, Massimo Mastrangeli

We present a new method to encapsulate functional liquids into sealed MEMS capsules by fluidic self-assembly. Self-assembly of 200 mu m SU-8 cargos and picoliter liquid co-encapsulation are driven by the interplay of global fluidic drag and short-range cap ...

IEEE2014

Three-dimensional polymeric microtiles for optically-tracked fluidic self-assembly

Alcherio Martinoli, Jürgen Brugger, Massimo Mastrangeli

Self-assembly (SA) is a bio-inspired key coordination mechanism for swarms of intelligent agents as well as a pervasive bottom-up methodology for the fabrication of heterogeneous micro- and nanosystems. Analytical studies of SA at small scales are therefor ...

2014

Cell force measurements in 3D microfabricated environments based on compliant cantilevers

Giovanni Boero, Jürgen Brugger, Mattia Marelli

We report the fabrication, functionalization and testing of microdevices for cell culture and cell traction force measurements in three-dimensions (3D). The devices are composed of bent cantilevers patterned with cell-adhesive spots not lying on the same p ...

Royal Soc Chemistry2014

Inkjet printed superparamagnetic polymer composite hemispheres with programmed magnetic anisotropy

Jürgen Brugger, Loïc Jacot-Descombes, Victor Javier Cadarso Busto, Rosario Maurizio Gullo, Massimo Mastrangeli, Berna Ayse Özkale Edelmann, Christofer Hierold

We present the fabrication and characterization of large arrays of inkjet-printed superparamagnetic polymer composite (SPMPC) hemispherical microstructures. SPMPCs are appealing for applications in microsystems and nanorobotics due to the added functionali ...

Royal Soc Chemistry2014

Curved Holographic Combiner for Color Head Worn Display

Arnaud Mader, Jürgen Brugger, Jonas Grossenbacher, Victor Javier Cadarso Busto, Seyedpayam Vahdati, Christophe Moser, Eric Tremblay

A volume hologram recorded with a lens array is proposed as a color transflective screen for Head Worn Display (HWD) systems. Design, fabrication as well as proof of concept are reported. Light from a single MEMS-based projector is efficiently diffracted t ...

Ieee-Inst Electrical Electronics Engineers Inc2014

UV-patternable polymers with selective spectral response (vol 98, pg 234, 2013)

Jürgen Brugger, Victor Javier Cadarso Busto

Elsevier2014

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