high intensity laser beams
Observations of the filamentation of high-intensity laser-produced electron beams
... tron beams at the laser-plasma ...the laser-plasma interface at high intensity, can po- tentially generate fast electron ...the laser spot, such as that produced during hole ...
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Effect of collisions on amplification of laser beams by Brillouin scattering in plasmas
... between laser pulses by stimulated Brillouin ...pump laser is unable to scatter before inter- action with the seed ...ultra-high intensity laser systems and their applications towards ...
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Henig, Andreas (2010): Advanced Approaches to High Intensity Laser-Driven Ion Acceleration. Dissertation, LMU München: Fakultät für Physik
... intense laser pulses that were carried out over the past 10 years, solid density planar foils in the micrometer thickness range were used as ...multi-MeV, high-quality ion ...intense laser pulse and ...
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Ultralow-emittance measurement of high-quality electron beams from a laser wakefield accelerator
... e beams from the LWFA was detected by a 16- bit back-illuminated x-ray CCD (PIXIS-XO:400B) with 1340×400 pixels of 20-μm ...a high energy resolution of ~ 26 ...the intensity histogram of the CCD ...
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The FLASHForward facility at DESY
... than high-‐intensity laser drivers, where observed shot-‐to-‐shot variations in the energy spectra of generated electron beams have been attributed in large part to fluctuations in the ...
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Mass selection in laser-plasma ion accelerator on nanostructured surfaces
... of laser focus and can alter the recombination and charge transfer ...intense laser pulses leads to a very strong ...the laser focus almost 95% of the ions were observed to become ...of laser ...
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High intensity X/γ photon beams for nuclear physics and photonics
... the laser pulse as many times as possible at the Interaction ...by high brightness photo-injector to provide outstanding peak electron beam quality in the single bunch (as per FEL Linac drivers) with a ...
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Time of flight based diagnostics for high energy laser driven ion beams
... of laser-driven ion beams available today, such as the short pulse duration ...very high dose-rates in a single pulse (10 9 Gy/min) compared to those of the conventionally accelerated beams ...
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Experimental Evidence of Radiation Reaction in the Collision of a High-Intensity Laser Pulse with a Laser-Wakefield Accelerated Electron Beam
... the high intensities required for this necessitates the use of laser pulses of femtosecond duration, and so synchronization between the electron bunch and the colliding laser pulse must also be ...
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Short pulse, high intensity laser interactions with molecules
... The procedure of alignment is carried out with the power to the amplifier rod off. Thus, the beam profiles are very weak and any gross misalignment does not lead to damage of the optics. The alignment procedure begins by ...
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Experimental evidence of radiation reaction in the collision of a high-intensity laser pulse with a laser-wakefield accelerated electron beam
... Gemini laser of the Central Laser Facility, Rutherford Appleton Laboratory, ...Ti:sapphire laser system delivering two synchronized linearly polarized beams of 800 nm central wavelength and ...
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Identification of incident parameters of interference beams using angular power spectral density
... Q-switched high-power Nd:YAG laser source with a wavelength of 1064 nm, pulse duration of 7 ns, frequency of 10 Hz, and Gaussian beam of 6 mm in ...the laser interference lithography system and ...a ...
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Manipulation of the spatial distribution of laser-accelerated proton beams by varying the laser intensity distribution
... In order to take advantage of the high repetition rate of the laser and the fast target alignment procedure, only online proton diagnostics were used. A magnetic-field based proton spectrometer disperses ...
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The SPES radioactive ion beam project of LNL: status and perspectives
... the high shielded ...a High Resolution Mass Separator (HRMS) with 1/20000 mass resolution will be installed inside the new ...Such high selectivity results in an advantage also for the safety issue, ...
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Investigation of Direct Metal Laser Sintering Process
... Heat loads often cause failures in die-cast- ing tooling. In die casting the temperature difference between the molten metal and the mould can be over 500°C, and the temperature gradient is highest in the mould cavity ...
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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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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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Somatotopy of placebo analgesia is independent of spatial attention
... gave high pain ratings in both treatment ...painful laser stimuli can be sensitive to placebo analgesia, although other authors argued that placebo acts only on long-lasting pain ...
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A Genetic Search in Frequency Space for Stabilizing Atoms by High-Intensity Laser Fields
... In general, to understand the world of atoms and molecules and how they react to an exter- nal force, such as a laser field, one needs to construct the Hamiltonian of the system. The Hamiltonian includes the ...
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The theory and practice of resonance Raman spectroscopy
... The photomultiplier tube is based on the photoelectric effect and on secondary electronic emission and transforms photon energy into the energy of electric pulses with an efficiency of around 15 %; pulses are collected ...
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