high intensity laser solid interactions
Micron-scale fast electron filaments and recirculation determined from rear-side optical emission in high-intensity laser-solid interactions
... in high-intensity laser–solid interactions can pass through the critical surface, where the laser energy is mostly absorbed, and continue, free from the influence of the ...
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Efficient ion acceleration and dense electron-positron plasma creation in ultra-high intensity laser-solid interactions
... the laser very rapidly ionizes the target to form a plasma in which nonlinear quantum-electrodynamic (QED) effects play a crucial role [6 – ...the laser- fi elds [9] which can radiate further ...
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Bremsstrahlung emission profile from intense laser-solid interactions as a function of laser focal spot size
... from high intensity laser-solid interactions provides valuable insight to the internal fast electron ...of laser intensity by incrementally increasing the laser ...
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Bremsstrahlung emission profile from intense laser-solid interactions as a function of laser focal spot size
... from high intensity laser-solid interactions provides valuable insight to the internal fast electron ...of laser intensity by incrementally increasing the laser ...
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Kiefer, Daniel (2012): Relativistic electron mirrors from high intensity laser nanofoil interactions. Dissertation, LMU München: Fakultät für Physik
... corresponding laser field relatively early in the interaction, at ten cycles before the peak of the ...the laser to penetrate through the plasma. As a result, the impinging laser is reflected and ...
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Characterization of multiterawatt laser-solid interactions for proton acceleration
... nm laser pulse within the target chamber towards the focusing ...in high-repetition rate laser–solid interactions it was necessary to shield the gold coating on this optic with a ...
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Short pulse laser interactions with high density plasma
... short-pulse laser duration ...typical high intensity (I & 10 18 Wcm −2 ), picosecond-scale laser interaction with a solid density target present a complex web of interconnected ...
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Photobiomodulation using high- or low-level laser irradiations in patients with lumbar disc degenerative changes: disappointing outcomes and remarks
... exercises; in group 2, sham HILT and stabilization exercises were used; and in group 3, only high-energy laser sessions were performed. The therapeutic program in all groups lasted for 4 weeks. In addition, ...
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Demonstration of coherent terahertz transition radiation from relativistic laser-solid interactions
... p-polarized laser pulse was focused onto solid targets at an incidence angle of 54° with a peak irradiance of ...The laser contrast ratio in the ns range was ~10 -5 ...detectors. ...
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Interaction-shaped vortex-antivortex lattices in polariton fluids
... linear interactions dom- inate and substantially modify the previously observed ...the interactions can destroy the topological excitations of opposite winding number by merging one excitation with the ...
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Influence of a Magnetic Guide Field on Self Injection in Wakefield Acceleration
... et al. [15] in the case of a transverse constant magnetic field that a static magnetic field can play an important part in order to control the electron injection in the ac- celerating cavity, it should play a role ...
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Short pulse, high intensity laser interactions with molecules
... The laser medium emits spontaneous radiation that gives rise to incoherent fluctuations in the energy density within the ...the laser medium and grow in irradiance to such an extent that the peak part of ...
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Mass selection in laser-plasma ion accelerator on nanostructured surfaces
... The experiment was performed at the Tata Institute of Fundamental Research, Mumbai, India, using the high intensity short pulse laser facility. A Thomson parabola (TP) 24 and arrival-time (AT) ...
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Investigation of Direct Metal Laser Sintering Process
... As an example Fig. 6 shows two micrographs of the used inserts. The left-hand micrograph (Fig. 6a) shows a problem caused by the porosity of the sintered material and the subsequent poor deposi- tion of the coatings. As ...
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Pulsed laser induced formation of silica nanogrids
... excimer laser emitting at 248 nm with pulse duration of about 25 ns. The laser illuminates a mask, which is pro- jected on the sample with × 4 demagnification using an ob- jective with a numerical aperture ...
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Review of Energetic Particle Generation and Electromagnetic Radiation from Intense Laser-Plasma Interactions at the Institute of Physics, Chinese Academy of Sciences
... intense laser interactions with solid targets, ions are always accelerated by the sheath field at both the front and rear sides of a ...with high R are adulterated into the center region of a ...
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Characterization of proton and heavier ion acceleration in ultrahigh-intensity laser interactions with heated target foils
... 共⬃ 150 MeV 兲 to ⬃ 10 7 ions/ MeV at ⬃ 400 MeV, with a cor- responding conversion efficiency from laser energy to Fe ion acceleration ( with energy above ⬃ 150 MeV ) of ~0.8%. With the Fe target heated to 860° C ...
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Modelling hot electron generation in short pulse target heating experiments
... We present results obtained with the PIC code EPOCH [2] for realistic target and laser parameters. The hot electron distributions generated in EPOCH are linked directly to the Monte Carlo transport code THOR, ...
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Laminar shocks in high power laser plasma interactions
... look at the energy spectrum of the reflected ions. Adding the measured expansion velocity of 0.1c to the reflected ion velocity we get the spectrum shown in Figure 6. This bears a striking resemblance to the experimental ...
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Modelling gamma ray photon emission and pair production in high intensity laser–matter interactions
... approximation does not unduly limit the validity of the model. Under this ‘weak- field’ approximation the emission rates in the particular macroscopic field con- figuration approximately equal those in any other ...
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