Essays about: "lasers"
Showing result 16 - 20 of 118 essays containing the word lasers.
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16. Adaption of Inertial Confinement Fusion Resultsto Spherical Plasma Expansion at Comets
University essay from Uppsala universitet/Institutionen för fysik och astronomi; Uppsala universitet/Institutet för rymdfysik, UppsalaavdelningenAbstract : Recent missions to solar system comets, such as ESA's Rosetta mission, raise interest for models and descriptions of their plasma environment. The interaction with various space phenomena such as stellar wind make the construction of an analytical description difficult. READ MORE
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17. Study of process parameters in laser beam welding of copper hairpins
University essay from Högskolan i Skövde/Institutionen för ingenjörsvetenskapAbstract : This study had the purpose to further the use of industrial lasers in the manufacturing of hairpin electric motors by optimizing the process of contacting the hairpins. A problem with laser beam welding of copper is the porosity created in the process which can lead to increased resistance of the welded region along with degraded mechanical properties. READ MORE
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18. Quantum statistics of a three-level maser
University essay from Lunds universitet/Matematisk fysik; Lunds universitet/Fysiska institutionenAbstract : Lasers and masers have numerous uses in today’s society. Improving our understanding of the underlying physics and its application is thus of great importance. READ MORE
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19. Doping Layers in Quantum Cascade Lasers: A study in doping density, position and migration effects
University essay from Lunds universitet/Matematisk fysikAbstract : Quantum Cascade Lasers (QCLs) consist of several semiconductor materi- als sandwiched together. The QCL achieves stimulated emission in the mid-IR (m-IR) to the THz region of the electromagnetic spectrum by inter-subband transitions. These parts of the electromagnetic spectrum are hard to lase in with conventional means. READ MORE
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20. Lights for democracy: lighting as a tool for Brazilian political protests
University essay from KTH/LjusdesignAbstract : This paper investigates the role of artificial light as a tool for spread a political message, focusing on Brazilian political scenario. Given the recent context of the weakening of many democratic institutions around the world together with Covid-19 pandemic, new ways of protesting have been transforming the character of political demonstrations. READ MORE