Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 14 of 14 for “"Laser Matter Interaction"”.
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Measurement And Characterization Of Microwave Transient Electromagnetic Fields Generated From Laser/matter Interaction
… past experiments conducted with high intensity lasers, it has been known for some time that laser matter interactions result in the emission of short, transient electromagnetic pulses. Previous investigations into laser generated electromagnetic pulses provide basic information regarding …
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Ablation and Plasma Effects during Nanosecond Laser Matter Interaction in Air and Water
… research work, a clear understanding of laser matter interaction in
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Experimental studies in laser interaction with wavelength scale matter via second harmonic production and hard x-ray production
… campaigns in the field of high intensity laser matter interaction. A common thread with both experiments was the use of wavelength scale spheres as the targets. A crucial feature of our experiments was the use uniformly sized spheres; this was done in order to facilitate exploration and …
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Developing A Toolbox To Probe Reaction Dynamics With Strong Field Ionization And Non-Linear Attosecond Spectroscopy
… level. In this thesis work we have address this matter using two interesting approaches related to the laser matter interaction: strong field ionization and nonlinear attosecond spectroscopy. The first part is based on the studies related to the strong field ionization probe. Strong field …
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Intense laser matter interactions for explosives detection and tunable spectral blueshift
… shifts induced in metal surfaces by ultrafast laser pulses at intensities ranging from 1013 to 1014 W/cm2. These ~100 femtosecond (fs) pulses facilitate non-resonant vaporization of explosives, enabling non-contact sampling and detection. When coupled with electrospray post-ionization, fs laser …
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The role of nanostructured targets in Laser-Produced Plasmas for Nuclear Astrophysics studies
… experimental study of plasmas produced from the interaction of a high-power laser in ns domain with nanostructured materials compared with ordinary bulk target. The study is focused on the effect of solid targets with different physical and geometric characteristics, and has the purpose to asses …
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Ultrashort laser pulse-matter interaction: Fundamentals and early stage plasma dynamics
… years, the detailed mechanisms of ultrashort laser pulse (USLP)-matter interaction are still not fully understood and further fundamental investigation is required. This study seeks to provide an improved understanding of the USLP-material interaction by both theoretical and experimental …
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Experimental measurements and Monte Carlo simulations of a transport beamline for laser-driven proton beams
… the most attractive topics in the relativistic laser-plasma interaction research, opening the possibility to investigate innovative regimes and different potential applications. In particular, it is becoming evident that, in the next future, laser-driven acceleration could represent an effective …
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Subsurface modification in Si induced by nanosecond laser irradiation
… modifications can be induced by focussed pulsed laser irradiation when the photon energy is near or below the material's bandgap. Intensity dependent absorption is used to selectively modify the region near focus. This technique is useful both for technological applications and scientific …
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Generation and imaging of structural laser beams for optical trapping of airborne particles and light-matter interaction applications.
… beams have extended the `optical toolbox' in laser interaction with matter studies, providing many techniques that are not possible using conventional Gaussian beams. The research work performed under this thesis focuses on the design, generation, re-configuration, and exploration of the …
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Subsurface modification in Si induced by nanosecond laser irradiation
… modifications can be induced by focussed pulsed laser irradiation when the photon energy is near or below the material's bandgap. Intensity dependent absorption is used to selectively modify the region near focus. This technique is useful both for technological applications and scientific …
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Generation and imaging of structural laser beams for optical trapping of airborne particles and light-matter interaction applications.
… beams have extended the `optical toolbox' in laser interaction with matter studies, providing many techniques that are not possible using conventional Gaussian beams. The research work performed under this thesis focuses on the design, generation, re-configuration, and exploration of the …
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Damages in Transparent Materials by Ultrashort Laser Pulse
Ultrashort lasers that generate laser pulses down to picosecond and femtosecond range have advanced over the past decade from delicate lab systems to robust industry machines. The availability of stable ultrashort laser systems opens up a wide range of exciting applications from transparent …