138 citations · 595 across the 20 of their papers we have counts for
20 papers
3D structured Bessel beam polarization and its application to imprint chiral optical properties in silica
Jiafeng Lu, Mostafa Hassan, Francois Courvoisier +6
Polarization plays crucial role in light-matter interactions; hence its overall manipulation is an essential key to unlock the versatility of light manufacturing, especially in fem…
Femtosecond laser-induced sub-wavelength plasma inside dielectrics: III. Terahertz radiation emission
Kazem Ardaneh, Ken-Ichi Nishikawa, Remo Giust +5
Electromagnetic radiation within the terahertz (THz) frequency range is of great interest for applications in remote sensing and time-domain spectroscopy. The laser-induced plasmas…
Electron heating and radiation in high aspect ratio sub-micron plasma generated by an ultrafast Bessel pulse within a solid dielectric
Kazem Ardaneh, Remo Giust, Pierre-Jean Charpin +2
When propagating inside dielectrics, an ultrafast Bessel beam creates a high aspect-ratio cylinder of plasma with nanometric diameter that extends over several tens of micrometers…
Femtosecond laser-induced sub-wavelength plasma inside dielectrics: II. Second-harmonic generation
Kazem Ardaneh, Mostafa Hassan, Benoit Morel +5
Second-harmonic emission at a frequency that is twice the laser frequency is an important diagnostic for nonlinear laser-plasma interaction. It is forbidden for centrosymmetric mat…
Femtosecond laser-induced sub-wavelength plasma inside dielectrics: I. Field enhancement
Kazem Ardaneh, Remi Meyer, Mostafa Hassan +5
The creation of high energy density ( joules per cm) over-critical plasmas in a large volume has essential applications in the study of warm dense matter, being pr…
High energy density plasma mediated by collisionless resonance absorption inside dielectrics
Kazem Ardaneh, Remi Meyer, Mostafa Hassan +9
We demonstrate for the first time to our knowledge the generation of overcritical plasma densities inside transparent solids over long distances using femtosecond laser pulses. Thi…
Ultrafast laser micro-nano structuring of transparent materials with high aspect ratio
Francois Courvoisier
Ultrafast lasers are ideal tools to process transparent materials because they spatially confine the deposition of laser energy within the material's bulk via nonlinear photoioniza…
Generation of a Bessel beam in FDTD using a cylindrical antenna
Kazem Ardaneh, Remo Giust, Benoit Morel +1
Bessel beams are becoming a very useful tool in many areas of optics and photonics, because of the invariance of their intensity profile over an extended propagation range. Finite-…
A solver based on pseudo-spectral analytical time-domain method for the two-fluid plasma model
B. Morel, R. Giust, K. Ardaneh +1
A number of physical processes in laser-plasma interaction can be described with the two-fluid plasma model. We report on a solver for the three-dimensional two-fluid plasma model…
Nanoscale confinement of energy deposition in glass by double ultrafast Bessel pulses
Jesus del Hoyo, Remi Meyer, Luca Furfaro +1
Ultrafast laser pulses spatially shaped as Bessel beams in dielectrics create high aspect ratio plasma channels whose relaxation can lead to the formation of nanochannels. We repor…
In-situ diagnostic of femtosecond probes for high resolution ultrafast imaging
Chen Xie, Remi Meyer, Luc Froehly +2
Ultrafast imaging is essential in physics and chemistry to investigate the femtosecond dynamics of nonuniform samples or of phenomena with strong spatial variations. It relies on o…
A simple solver for the two-fluid plasma model based on PseudoSpectral Time-Domain algorithm
B. Morel, R. Giust, K. Ardaneh +1
We present a solver of 3D two-fluid plasma model for the simulation of short-pulse laser interactions with plasma. This solver resolves the equations of the two-fluid plasma model…
Advancing Fourier: space-time concepts in ultrafast optics, imaging and photonic neural networks
Luc Froehly, Francois Courvoisier, Daniel Brunner +5
The concepts of Fourier optics were established in France in the 1940s by Pierre-Michel Duffieux, and laid the foundations of an extensive series of activities in the French resear…
Control of spatial four wave mixing efficiency in Bessel beams using longitudinal intensity shaping
Ismail Ouadghiri-Idrissi, John M. Dudley, Francois Courvoisier
Diffraction-free Bessel beams have attracted major interest because of their stability even in regimes of nonlinear propagation and filamentation. However, Kerr nonlinear couplings…
Extremely high-aspect-ratio ultrafast Bessel beam generation and stealth dicing of multi-millimeter thick glass
R. Meyer, L. Froehly, R. Giust +4
We report on the development of an ultrafast beam shaper capable of generating Bessel beams of high cone angle that maintain a high-intensity hot spot with subwavelength diameter o…
Ultrafast Bessel beams; advanced tools for laser materials processing
Razvan Stoian, Manoj K. Bhuyan, Guodong Zhang +3
Ultrafast Bessel beams demonstrate a significant capacity of structuring transparent materials with high degree of accuracy and exceptional aspect ratio. The ability to localize en…
Single shot ultrafast laser processing of high-aspect ratio nanochannels using elliptical Bessel beams
R. Meyer, M. Jacquot, R. Giust +6
Ultrafast lasers have revolutionized material processing, opening a wealth of new applications in many areas of science. A recent technology that allows the cleaving of transparent…
Interaction of the ultra-short Bessel beam with transparent dielectrics: Evidence of high-energy concentration and multi-TPa pressure
Eugene G. Gamaly, Andrei V. Rode, Ludovic Rapp +6
It has been proven that the intense tightly focused Gauss beam (GB) generates pressures in excess of a few TPa creating the novel super-dense phases of Aluminium and silicon [1-5].…
Arbitrary non-paraxial accelerating periodic beams and spherical shaping of light
A. Mathis, F. Courvoisier, R. Giust +4
We report the observation of arbitrary accelerating beams designed using a non-paraxial description of optical caustics. We use a spatial light modulator-based setup and techniques…
Sending femtosecond pulses in circles: highly non-paraxial accelerating beams
F. Courvoisier, A. Mathis, L. Froehly +5
We use caustic beam shaping on 100 fs pulses to experimentally generate non-paraxial accelerating beams along a 60 degree circular arc, moving laterally by 14 \mum over a 28 \mum p…