Search Results - "Trapani, P. P"
-
1
High-speed laser-assisted cutting of strong transparent materials using picosecond Bessel beams
Published in Applied physics. A, Materials science & processing (01-08-2015)“…We report single-pass cutting of strong transparent glass materials of 700 μm thickness with a speed up to 270 mm/s using single-shot nanostructuring technique…”
Get full text
Journal Article -
2
Experimental observation of a skewed X-type spatiotemporal correlation of ultrabroadband twin beams
Published in Physical review letters (14-12-2012)“…This work presents the experimental observation of the nonfactorable near-field spatiotemporal correlation of ultrabroadband twin beams generated by parametric…”
Get full text
Journal Article -
3
One dimensional spatial localization of polychromatic stationary wave-packets in normally dispersive media
Published in Optics express (21-10-2013)“…In this paper we illustrate how the localization of the stationary two-dimensional solution of the propagation equation strongly depends on the features of its…”
Get full text
Journal Article -
4
Spontaneously generated X-shaped light bullets
Published in Physical review letters (29-08-2003)“…We observe the formation of an intense optical wave packet fully localized in all dimensions, i.e., both longitudinally (in time) and in the transverse plane,…”
Get full text
Journal Article -
5
Spatiotemporal amplitude and phase retrieval of Bessel-X pulses using a Hartmann-Shack sensor
Published in Optics express (08-06-2009)“…We propose a new experimental technique, which allows for a complete characterization of ultrashort optical pulses both in space and in time. Combining the…”
Get full text
Journal Article -
6
Nonlinear electromagnetic X waves
Published in Physical review letters (02-05-2003)“…Nonlinear optical media that are normally dispersive support a new type of localized (nondiffractive and nondispersive) wave packets that are X shaped in space…”
Get full text
Journal Article -
7
Detection of sub-shot-noise spatial correlation in high-gain parametric down conversion
Published in Physical review letters (10-12-2004)“…Using a 1 GW, 1 ps pump laser pulse in high-gain parametric down conversion allows us to detect sub-shot-noise spatial quantum correlation with up to 100…”
Get full text
Journal Article -
8
Burst mode versus single-pulse machining for Bessel beam micro-drilling of thin glass: study and comparison
Published in SN applied sciences (01-09-2020)“…We present a study on the micro-drilling process by means of a picosecond Bessel–Gauss beam, and the achievements obtained on a 200-µm-thick AF32 glass sample…”
Get full text
Journal Article -
9
Efficient generation of Bessel beam arrays by means of an SLM
Published in The European physical journal. ST, Special topics (01-11-2011)“…We use a Spatial Light Modulator (SLM) to produce arrays of Bessel beams by using multiple axicon phase-masks on the SLM. This approach utilises the whole of…”
Get full text
Journal Article Conference Proceeding -
10
Observation of conical waves in focusing, dispersive, and dissipative Kerr media
Published in Physical review letters (30-11-2007)“…Excitation of unbalanced-Bessel beams by a gradual increase of nonlinearity in a water sample outlines the achievement of the first ever observed…”
Get full text
Journal Article -
11
Spatio-temporal reshaping and X Wave dynamics in optical filaments
Published in Optics express (01-10-2007)“…Focus Serial: Frontiers of Nonlinear Optics We investigate ultrashort laser pulse filamentation within the framework of spontaneous X Wave formation. After a…”
Get full text
Journal Article -
12
Room- and illumination-related effects of an artificial skylight
Published in Lighting research & technology (London, England : 2001) (01-08-2016)“…An artificial skylight has been developed which aims at creating an impression of a daylight opening in the ceiling by means of an artificial sunspot and a…”
Get full text
Journal Article -
13
Detection of the ultranarrow temporal correlation of twin beams via sum-frequency generation
Published in Physical review letters (22-06-2012)“…We demonstrate the ultranarrow temporal correlation (6 fs full width half maximum) of twin beams generated by parametric down-conversion by using its reverse…”
Get full text
Journal Article -
14
Laser plasma wakefield acceleration gain enhancement by means of accelerating Bessel pulses
Published in Applied physics. B, Lasers and optics (01-06-2017)“…In this paper, we propose an approach to enhance the electron energy gain in standard laser-driven plasma wakefield accelerators, using accelerating Bessel…”
Get full text
Journal Article -
15
Long spatio-temporally stationary filaments in air using short pulse UV laser Bessel beams
Published in Optics express (30-03-2009)“…The formation of long stationary filaments resulting in uniform high density plasma strings in air using short pulse UV laser Bessel beams is shown. The length…”
Get full text
Journal Article -
16
Optimisation of a low cost SLM for diffraction efficiency and ghost order suppression
Published in The European physical journal. ST, Special topics (01-11-2011)“…Spatial Light Modulators (SLMs) are a powerful tool in many optics laboratories, but due to the technology required for their fabrication, they are usually…”
Get full text
Journal Article Conference Proceeding -
17
Finite-energy, accelerating Bessel pulses
Published in Optics express (24-11-2008)“…We numerically investigate the possibility to generate freely accelerating or decelerating pulses. In particular it is shown that acceleration along the…”
Get full text
Journal Article -
18
Emergence of X-shaped spatiotemporal coherence in optical waves
Published in Physical review letters (15-12-2006)“…Considering the problem of parametric nonlinear interaction, we report the experimental observation of electromagnetic waves characterized by an X-shaped…”
Get full text
Journal Article -
19
Laser micro- and nanostructuring using femtosecond Bessel beams
Published in The European physical journal. ST, Special topics (01-11-2011)“…We report the generation of femtosecond Bessel beams of conical half-angle 26 degrees using an axicon lens and a beam reduction imaging setup. The generated…”
Get full text
Journal Article Conference Proceeding -
20
Generation of broadly tunable sub-30-fs infrared pulses by four-wave optical parametric amplification
Published in Optics letters (01-02-2011)“…We report on the generation of sub-30-fs near-IR light pulses by means of broadband four-wave parametric amplification in fused silica. This is achieved by…”
Get more information
Journal Article