laser pulse
Dependence of Laser Ablation Produced Gold Nanoparticles Characteristics on the Fluence of Laser Pulse
... by laser ablation of the solid target in liquid medium depends on the magnitude of laser energy which touches the target surface through liquid ...the laser fluence in this experimental condi- tion ...
6
Ignition of organic explosives by a laser pulse
... neodymium laser ( = 1.06 m) [8]. Consequently, the high-power laser is necessary for their initiation from an open surface by the high light pulse in this spectral range ...the laser ...
5
An investigation of self-focussing of a laser pulse in a laser-produced plasma
... duration laser pulse, proceeding the pulse which is expected to self-focus (self-focusing of a short pulse in the plasma itself has produced would require much higher power densities, since, ...
146
Demonstration of laser pulse amplification by stimulated Brillouin scattering
... same laser system, one long (15 ps) pump beam and one short (1 ps) seed beam counter-propagating with respect to one another through a volume of plasma, with no modifications made to the frequency of either ...the ...
7
Solitary Nanostructures Produced by Ultrashort Laser Pulse
... hydrodynamic interaction, melting and separation of the film from substrate with velocity increasing with increase of absorbed fluence; (ii) the capillary forces decelerating expansion of the expanding flying film; and ...
13
The Geolocation Accuracy of LiDAR Footprint
... transmitted pulse travels to the target and back, given the speed of light as a ...the laser pulse is far too weak to cause blindness in people and animals, a common concern among people when first ...
8
Controlling residual hydrogen gas in mass spectra during pulsed laser atom probe tomography
... in laser-pulsed mode on other metals or alloys support this ...increasing pulse frequency albeit at significantly slower rates ...with laser pulse ...
10
Heigoldt, Matthias (2017): Temporal dynamics of the longitudinal bunch profile in a laser wakefield accelerator. Dissertation, LMU München: Fakultät für Physik
... longitudinal laser focus ...few laser shots, possesses a laser-drilled hole with a diameter of approximately ...the laser pulse to ensure enough time to also fill the gas supply ...
185
Gas contamination in discharge excited XeF excimer lasers
... before laser action ...trap. Laser action was again observed when the cold trap was warmed ...the laser was filled with a fresh gas mixture, and it was pulsed to half-energy in the absence of a cold ...
237
Laser direct writing (LDW) of magnetic structures
... 20,21 Laser ablation is used to perform LDW- techniques by removal of precise quantities of ...the laser wavelength, intensity and pulse duration, in addition to the optical and thermal properties of ...
7
Acceleration of on-axis and ring-shaped electron beams in wakefields driven by Laguerre-Gaussian pulses
... driver laser pulses or laser pulse with relatively large focus size were ...driver pulse with a special transverse mode is an alternative way for special plasma wake generation such as using ...
6
Use of high-energy laser radiation for surface preparation of magnesium for adhesive applications
... first laser parameters, roller peel tests according to DIN EN 1464 [9] were ...the laser induced oxide layer with a thickness of about 200 nm were ...single laser pulses whereas inside the ...
9
The deposition and characterisation of metallic thin films and magnetic multilayers prepared by pulsed laser ablation deposition
... Initial work focuses on the effects of the laser wavelength and the laser pulse temporal profile on the deposition rates of nickel and silver and the droplet numbers deposited on to film[r] ...
213
Effects of Laser Shock Peening on Mechanical Properties and Surface Morphology of AA2024 Alloy
... The surface roughness and topographical analysis for both treated and untreated specimens are analysed. The surface roughness of the specimen after LSP experienced some changes. It can be observed from Figure 8 that the ...
6
Pulsed Nd :YAG laser micro welding of stainless steel material
... Nd:YAG laser, the major process variables include the laser pulse energy, pulse time, beam diameter and intensity distribution, focal position, and material-dependent properties, such as ...
19
Characterization of X-ray emission from laser generated plasma
... X-rays pulse duration, the overall emission is comparable with the laser pulse but changes according to the considered spectral range: the higher is the energy of the considered photons the shorter ...
5
CLARA conceptual design report
... on laser pulse length, chirp, laser phase noise and electron beam shot ...the laser heater settings to control the beam microbunching, propagate bunched beams over variable distances before ...
97
Preliminary measurements for a sub-femtosecond electron bunch length diagnostic
... and laser pulse, such that a maxi- mum interaction between the two ...applied laser energy is ...in laser energy has no effect on the measured energy spread, since no strong interaction with ...
5
Micromachining with single mode fibre lasers for medical device production
... peak pulse power applied to create the cut shown in figure 67 was 20 ...a pulse power of 40 W. The higher peak pulse power increased the striations in zone I, only at the very bottom did the cut edge ...
170
Kreuzer, Christian (2018): Technological developments for Laser Ion Acceleration. Dissertation, LMU München: Fakultät für Physik
... in laser pulse generation and intensities rising to a critical level 1 , ions in the MeV/nucleon range became accessible starting in the early 2000s [91, 33, ...maximum laser intensity achieved in ...
140