Laser produced plasma
Expansion dynamics of laser produced plasma
... to laser produced plasma (LPP), particularly when the elec- tron temperature is below 12 eV, as it is in this ...ablating laser pulse and the spatial distribution of density and ...diagnose ...
6
Laser Produced Plasma X Ray Sources for Nanoscale Resolution Contact Microscopy: A Candidate in Cancerous Stem Cells Imaging
... Interestingly, laser produced plasma X-ray sources approach, provide the ca- pability to image nanostructures and chemical reactions down to nanometer ...source. Laser-produced plasmas ...
11
Dynamics Behaviors of a Laser Produced Plasma: Theoretical Approach
... by laser-matter interaction impose various temporal resolution scales [7,8], and that the pattern evolution imposes different degrees of free- dom ...the laser-produced plasma ...a ...
9
Formation of electron energy spectra during magnetic reconnection in laser-produced plasma
... in laser-produced plasma, and found that besides the reconnection electric field, Fermi and betatron mechanisms also play an important role during the expanding ...during laser-produced ...
28
SELF-ABSORPTION ANALYSIS OF SILVER RESONANCE LINES IN NANO-MATERIAL LASER PRODUCED PLASMA
... Nd:YAG laser device generates the plasma at the surface of silver nano-material targets, with experiments conducted in standard ambient temperature and pressure laboratory ...
6
Diagnostics of Electron Temperature in Laser Produced Plasma From Iron Using Plasma X-ray Emission
... for plasma temperature estimation. Line widths are related to plasma temperature and electron density (Baoming Li and Hongzhi Li, ...the plasma x-ray source is in the order of ...
7
Dynamics of ZnO laser produced plasma in high pressure argon
... the emission falls to 10% of maximum at ~8 mm, (Fig. 2(a)). Figure 3 shows the temporal evolution of the position of the maximum of 481.0 nm line and the positions at the inner and outer 10 % levels for both the pure ZnO ...
16
Development and optimization of a “water window” microscope based on a gas-puff target laser-produced plasma source
... Since the ‘90s, significant efforts were made to bring technical capabilities of synchrotron-based microscopes to the development of compact sources [1]–[8], because that the small size and versatility of compact ...
6
An investigation of self-focussing of a laser pulse in a laser-produced plasma
... the plasma electron temperature causes an increase in the efficient self focussing threshold reflecting the dominant role of absorption in determining the in-filament flux ...the plasma temperature, and ...
146
Electro magnetic control of laser produced plasma
... f Figure 6.12: Images showing the distribution of Cu deposition per laser pulse on glass slides at 11.5 cm from target: a for free ablation; b for free ablation and with a nylon cylinder[r] ...
176
Characterisation of laser produced plasmas
... the plasma potential and an oscilloscope is then used to determ ine the voltage drop across a ...the laser produced plasma can be considered to have rapid acceleration then the TOF spectra can ...
127
Pseudorelativistic laser-semiconductor quantum plasma interactions
... dense plasma; a moderately doped InSb plasma has a density of ∼ 10 23 m − 3 while the density of a weakly doped InSb plasma is ∼ 10 20 m − 3 [19], which are about 5–8 orders of magnitude smaller than ...
12
Analysis of thermal effects produced by incident laser radiation on a structure
... The function utilized describing described as a by the following shall be the T describing function the upon system coordinate the temperature of radius r, depth z, angle relationship: [r] ...
77
Optical and ion energy spectroscopy of laser-produced plasmas
... In an optically thin plasma, spectral line intensities are proportional to the population densities of excited quantum states. There have, consequently, been many publications dealing with the evaluation of ...
110
Dynamics of the plumes produced by ultrafast laser ablation of metals
... a laser ablation plume in vacuum. In ns laser ablation this adiabatic regime commences at the end of the laser pulse, at which time the ablated material exists as a thin layer of hot vapor on the ...
13
Some aspects of nonlinear laser plasma interactions
... the plasma oscillation is more energetic and we can already see evidence of density profile ...artefacts produced by the reflecting boundary conditions in this version of the PIC ...
231
Dynamics of the plume produced by nanosecond ultraviolet laser ablation of metals
... ns laser beam with a target can be described as a three-stage process: 共 i 兲 effectively in- stantaneous conversion of absorbed laser light to heat, 共 ii 兲 evaporation, and possibly strong explosive ...
5
Mass transfer enhancement produced by laser induced cavitation
... for solution breakdown and in turn no associated bubble emission. However, after ~200 µs the current returns to a value close to, but in excess of, the steady state current. In the absence of shocks and bubble events, ...
24
Laser plasma wakefield acceleration and ICAN
... expels electrons from the region of the pulse to form a trailing plasma wakefield (laser wakefield.. acceleration – LWFA).[r] ...
14
Laser propagation in dense magnetized plasma
... magnetized plasma of any density without cutoff in the so-called whistler ...fields, laser propagation in highly magnetized high-density plasmas has become of practical interest, especially for heating ...
13