Publications by Andreas Leber | EPFL Graph Search

Thermally Drawn Shape and Stiffness Programmable Fibers for Medical Devices

Despite the significant advantages of Shape Memory Polymers (SMPs), material processing and production challenges have limited their applications. Recent advances in fiber manufacturing offer a novel approach to processing polymers, broadening the function ...

2025

A method

Fabien Sorin, Andreas Leber

A method of manufacturing a fibre comprising a lined channel, using a draw apparatus, the method comprising: providing a preform, comprising a channel extending through the preform, to the draw apparatus; feeding a liner into the channel; heating a portion ...

2024

Soft Multimaterial Magnetic Fibers and Textiles

Fabien Sorin, Syrine Mansour, Stella Andréa Françoise Laperrousaz, Chaoqun Dong, Andreas Leber, Hritwick Banerjee, Xue Wan, Rémi Andréa La Polla

Magnetically responsive soft materials are promising building blocks for the next generation of soft robotics, prosthesis, surgical tools, and smart textiles. To date, however, the fabrication of highly integrated magnetic fibers with extreme aspect ratios ...

Wiley-V C H Verlag Gmbh2023

Thermally Drawn Elastomer Nanocomposites for Soft Mechanical Sensors

Inès Richard, Fabien Sorin, Yunpeng Qu, Stella Andréa Françoise Laperrousaz, Chaoqun Dong, Andreas Leber

Stretchable and conductive nanocomposites are emerging as important constituents of soft mechanical sensors for health monitoring, human-machine interactions, and soft robotics. However, tuning the materials' properties and sensor structures to the targete ...

WILEY2023

Highly Integrated Multi-Material Fibers for Soft Robotics

Bastien Schyrr, Fabien Sorin, Nicola Bartolomei, Stella Andréa Françoise Laperrousaz, Chaoqun Dong, Andreas Leber, Hritwick Banerjee

Soft robots are envisioned as the next generation of safe biomedical devices in minimally invasive procedures. Yet, the difficulty of processing soft materials currently limits the size, aspect-ratio, manufacturing throughput, as well as, the design comple ...

WILEY2022

3D stretchable and self-encapsulated multimaterial triboelectric fibers

Fabien Sorin, Stella Andréa Françoise Laperrousaz, Chaoqun Dong, Pedro Miguel Nunes Pereira de Almeida Reis, Andreas Leber, Dong Yan, Hritwick Banerjee

A robust power device for wearable technologies and soft electronics must feature good encapsulation, high deformability, and reliable electrical outputs. Despite substantial progress in materials and architectures for two-dimensional (2D) planar power con ...

2022

A method

Fabien Sorin, Andreas Leber

A method of manufacturing a fibre comprising a lined channel, using a draw apparatus, the method comprising: providing a preform, comprising a channel extending through the preform, to the draw apparatus; feeding a liner into the channel; heating a portion ...

2022

Second harmonic generation in glass-based metasurfaces using tailored surface lattice resonances

Olivier Martin, Jérémy Butet, Dang Tùng Nguyen, Fabien Sorin, Wei Yan, Kuang-Yu Yang, Chaoqun Dong, Andreas Leber

Dielectric metasurfaces have shown prominent applications in nonlinear optics due to strong field enhancement and low dissipation losses at the nanoscale. Chalcogenide glasses are one of the promising materials for the observation of nonlinear effects than ...

2021

Soft functional fibers for mechanical sensing and actuation

Andreas Leber

The measurement and generation of mechanical deformations is a key functionality in health monitoring, human-machine interaction, and soft robotics. However, current methods typically rely on small and hard transducers, which result in poor performance, cu ...

EPFL2021

Microstructured Biodegradable Fibers for Advanced Control Delivery

Inès Richard, Dang Tùng Nguyen, Fabien Sorin, Alexis Gérald Page, Shahrzad Shadman Yazdi, Govindan Narayanan Krishnamani, Jurgis Ruza, Andreas Leber

Biodegradable polymers are increasingly employed at the heart of therapeutic devices. Particularly in the form of thin and elongated fibers, they offer an effective strategy for controlled release in a variety of biomedical configurations such as sutures, ...

WILEY-V C H VERLAG GMBH2020

High-efficiency super-elastic liquid metal based triboelectric fibers and textiles

Rajasundar Chandran, Dang Tùng Nguyen, Fabien Sorin, Wei Yan, Nicola Bartolomei, Yunpeng Qu, Marco Volpi, Chaoqun Dong, Andreas Leber

Fibers that harvest mechanical energy via the triboelectric effect are excellent candidates aspower sources for wearable electronics and functional textiles. Thus far however, their fab-rication remains complex, and exhibited performances are below the sta ...

Nature Research2020

Soft and stretchable liquid metal transmission lines as distributed probes of multimodal deformations

Rajasundar Chandran, Fabien Sorin, Nicola Bartolomei, Chaoqun Dong, Andreas Leber

Mechanical sensing represents a key functionality in soft electronics for applications in health monitoring, human–machine interaction, or soft robotics. Current approaches typically rely on intricate networks of sensors specific to one type of deformation ...

2020

Super-elastic multi-material optical fibers for health-care applications

Dang Tùng Nguyen, Fabien Sorin, Alexis Gérald Page, Wei Yan, Nicola Bartolomei, Yunpeng Qu, Andreas Leber

Stretchable optical and electronic fibers constitute increasingly important building blocks for a myriad of applications, particularly in robotics, soft prosthesis, surgical tools and implants, and smart medical textiles. The integration of multi-material ...

SPIE-INT SOC OPTICAL ENGINEERING2019

Compressible and Electrically Conducting Fibers for Large‐Area Sensing of Pressures

Fabien Sorin, Alexis Gérald Page, Shahrzad Shadman Yazdi, Yunpeng Qu, Pedro Miguel Nunes Pereira de Almeida Reis, Andreas Leber, Dong Yan

Flexible pressure sensors offer a wide application range in health monitoring and human–machine interaction. However, their implementation in functional textiles and wearable electronics is limited because existing devices are usually small, 0D elements, a ...

2019