Person

Jean-Pierre Wolf

This person is no longer with EPFL

Related publications (17)

Laser-guided lightning

Marcos Rubinstein, Antonio Sunjerga, Amirhossein Mostajabi, Jean-Pierre Wolf, Clemens Herkommer, Pierre Walch, Thomas Produit, Victor Moreno

Lightning discharges between charged clouds and the Earth’s surface are responsible for considerable damages and casualties. It is therefore important to develop better protection methods in addition to the traditional Franklin rod. Here we present the fir ...

2023

The laser lightning rod project

Marcos Rubinstein, Mohammad Azadifar, Antonio Sunjerga, Amirhossein Mostajabi, Jean-Pierre Wolf, Clemens Herkommer, Pierre Walch, Thomas Produit

Lightning is highly destructive due to its high power density and unpredictable character. Directing lightning away would allow to protect sensitive sites from its direct and indirect impacts (electromagnetic perturbations). Up to now, lasers have been una ...

2021

Photocontrolled release of the anticancer drug chlorambucil with caged harmonic nanoparticles

Sandrine Gerber, Jean-Pierre Wolf, Jérémy Vuilleumier, Raphaël Jovita De Matos, Luigi Bonacina

While chemotherapy is one of the most used treatments in oncology, the systemic administration of chemotherapeutics generally results in undesired damages to healthy tissues and cells, side effects such as severe nausea and leukopenia, and reduced efficacy ...

2020

Charge separation and carrier dynamics in donor-acceptor heterojunction photovoltaic systems

Majed Chergui, Ursula Röthlisberger, Jacques-Edouard Moser, Ariadni Boziki, Natalie Renuka Banerji, Joël Teuscher, Jan Cornelius Brauer, Jean-Pierre Wolf, Alicia Solano

Electron transfer and subsequent charge separation across donor-acceptor heterojunctions remain the most important areas of study in the field of third-generation photovoltaics. In this context, it is particularly important to unravel the dynamics of indiv ...

2017

Cellular uptake and biocompatibility of bismuth ferrite harmonic advanced nanoparticles

Sandrine Gerber, Solène Marcelle Françoise Marie Passemard, Jean-Pierre Wolf, Stephanie Hwu, Luigi Bonacina, Daniel Rytz

Bismuth Ferrite (BFO) nanoparticles (BFO-NP) display interesting optical (nonlinear response) and magnetic properties which make them amenable for bio-oriented diagnostic applications as intra- and extra membrane contrast agents. Due to the relatively rece ...

Elsevier2015

Simultaneous Multi-Harmonic Imaging of Nanoparticles in Tissues for Increased Selectivity

Sandrine Gerber, Solène Marcelle Françoise Marie Passemard, Jean-Pierre Wolf, Luigi Bonacina, Sébastien Courvoisier

We investigate the use of Bismuth Ferrite (BFO) nanoparticles for tumor tissue labelling in combination with infrared multi-photon excitation at 1250 nm. We report the efficient and simultaneous generation of second and third harmonic by the nanoparticles. ...

Amer Chemical Soc2015

Harmonic Nanoparticles for Regenerative Research

Jean-Pierre Wolf, Jérôme Extermann, Luigi Bonacina

In this visualized experiment, protocol details are provided for in vitro labeling of human embryonic stem cells (hESC) with second harmonic generation nanoparticles (HNPs). The latter are a new family of probes recently introduced for labeling biological ...

Journal Of Visualized Experiments2014

Deep UV generation and direct DNA photo-interaction by harmonic nanoparticles in labelled samples

Sandrine Gerber, Solène Marcelle Françoise Marie Passemard, Jean-Pierre Wolf, Luigi Bonacina, Daniel Rytz

A biophotonics approach based on the nonlinear optical process of second harmonic generation is presented and demonstrated on malignant human cell lines labelled by harmonic nanoparticles. The method enables independent imaging and therapeutic action, sele ...

Royal Society of Chemistry2014

Nonlinear optical and magnetic properties of BiFeO3 harmonic nanoparticles

Sandrine Gerber, Solène Marcelle Françoise Marie Passemard, Jean-Pierre Wolf, Luigi Bonacina, Daniel Rytz

Second Harmonic Generation (SHG) from BiFeO3 nanocrystals is investigated for the first time to determine their potential as biomarkers for multiphoton imaging. Nanocrystals are produced by an auto-combustion method with 2-amino-2-hydroxymethyl-propane-1,3 ...

American Institute of Physics2014

Tailoring single-cycle electromagnetic pulses in the 2–9 THz frequency range using DAST/SiO_2 multilayer structures pumped at Ti:sapphire wavelength

Christoph Peter Hauri, Jean-Pierre Wolf, Luigi Bonacina

We present a numerical parametric study of single-cycle electromagnetic pulse generation in a DAST/SiO2 multilayer structure via collinear optical rectification of 800 nm femtosecond laser pulses. It is shown that modifications of the thicknesses of the DA ...

Optical Society of America2014

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