Search for dissertations about: "high intensity"
Showing result 1 - 5 of 1047 swedish dissertations containing the words high intensity.
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1. Temporal Aspects of High-Intensity Laser-Matter Interactions
Abstract : The availability of short-pulse, high-intensity lasers has opened doors to new areas in atomic and plasma physics. The short pulses (a few femtoseconds), that are available today, enable unprecedented temporal measurements, while the high peak power accessible (several terawatts) allows physicists to study the interaction between light and relativistic plasmas. READ MORE
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2. High intensity and high gradient magnetic separation in mineral processing
Abstract : Natural minerals often lack well defined magnetic susceptibilities. Instead they must be thought of as occurring in a susceptibility range where the bulk susceptibility is affected by present impurities. Inclusions or foreign atoms in solid solution may alter a materials magnetic properties to a large extent. READ MORE
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3. Effects of high intensity focused ultrasound on the intervertebral disc
Abstract : The purpose of this study was to study and try to optimise high intensity focused ultrasound treatment of the intervertebral disc. We demonstrated that it was possible to heat intervertebral discs with HIFU delivered by 50 or 5 mm diameter ultrasound transducers. READ MORE
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4. Generation of coherent short-wavelength radiation --- High-order harmonics and x-ray lasers
Abstract : The recent availability of short-pulse, high-intensity, compact lasers has opened doors to new and fascinating areas in atomic physics. Using the Lund Terawatt Laser, the interaction of femtosecond, near-infrared and visible laser radiation with matter at intensities in the range 1013--1017 W/cm2 was studied. READ MORE
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5. High-Order Harmonics- Characterisation, Optimisation and Applications
Abstract : Recent advances in laser technology, with the development of extremely short-pulse, high-intensity lasers, have opened doors to new areas in atomic physics. By focusing light from an intense, short-pulse laser into a gas jet, the emission of high-order harmonics of the laser frequency has been studied. READ MORE