Publication

Influence of ionization and cumulative effects on laser-induced crystallization in multilayer dielectrics

Publications associées (41)

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The role of nanocrystalline binder metallic coating into WC after additive manufacturing

Jamasp Jhabvala, Eric Boillat

Tungsten carbide with microsized particle powders are commonly used embedded in a tough binder metal. The application of these composites is not limited to cutting tools, WC based material has been increasingly used in gaskets and other mechanical parts wi ...

Elsevier2018

Real-Time Observation of Phonon-Mediated σ−π Interband Scattering in MgB2

Fabrizio Carbone, Edoardo Baldini, Andreas Helmut Christian Mann, Simone Borroni, Ting Tan

In systems having an anisotropic electronic structure, such as the layered materials graphite, graphene, and cuprates, impulsive light excitation can coherently stimulate specific bosonic modes, with exotic consequences for the emergent electronic properti ...

2017

Functional properties of III-V nanowires addressed by Raman spectroscopy

Francesca Amaduzzi

In recent years, semiconductor nanowires have attracted considerable attention as a result of their unique properties and potential applications in many fields. In particular, they can be very attractive materials for certain optoelectronic and electronic ...

EPFL2017

Stress-state manipulation in fused silica via femtosecond laser irradiation

Philippe Gillet, Yves Bellouard, Charles Michel Henri Pépin, Ya Cheng

Controlling the stress in glass after laser exposure is of prime importance not only for photonics applications, but also for preserving the mechanical integrity of glass components in general. The sub-surface exposure of fused silica to femtosecond laser ...

Optical Soc Amer2016

Carrier kinetics in the density range of N = 10(17) - 10(20) cm(-3) is investigated inside the bulk of crystalline silicon. Most conventional experimental techniques used to study carrier mobility are indirect and lack sensitivity because of charging effec ...

Amer Inst Physics2016

Generating optical pulses via a soliton state of an optical microresonator

Tobias Kippenberg, Tobias Herr

A light pulse source (100), being adapted for generating repetitive optical pulses, comprises a continuous wave (cw) laser (10) being arranged for providing cw laser light, an optical microresonator (20) being made of a resonator material, which has a thir ...

2016

Regenerative similariton laser

Camille Sophie Brès, Thibault Emmanuel North

Self-pulsating lasers based on cascaded reshaping and reamplification (2R) are capable of initiating ultrashort pulses despite the accumulation of large amounts of nonlinearities in all-fiber resonators. The spectral properties of pulses in self-similar pr ...

Amer Inst Physics2016

Creating femtosecond-laser-hyperdoped silicon with a homogeneous doping profile

Tobias Schneider

Femtosecond-laser hyperdoping of sulfur in silicon typically produces a concentration gradient that results in undesirable inhomogeneous material properties. Using a mathematical model of the doping process, we design a fabrication method consisting of a s ...

Amer Inst Physics2015

Spectroscopy assembly

Tobias Kippenberg

A spectroscopy assembly having a first and a second optical ring resonator, each provided with a material having an intensity-dependent refraction index. The spectroscopy assembly further includes at least one waveguide, which is guided along the optical r ...

2014

Physically, the colour of an object is a complex result of its intrinsic surface properties, its transmission properties and its emission properties, all of which contribute to the mix of wavelengths in the light leaving the surface of the object. Structur ...

EPFL2013