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Laser Beam Pathway Design and Evaluation for Dielectric Laser Acceleration
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Materials Sciences.
2019 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

After nearly 100 years of particle acceleration, particle accelerator experiments continue providing results within the field of high energy physics. Particle acceleration is used worldwide in practical applications such as radiation therapy and materials science research. Unfortunately, these accelerators are large and expensive. Dielectric Laser Acceleration (DLA) is a promising technique for accelerating particles with high acceleration gradients, without requiring large-scale accelerators. DLA utilizes the electric field of a high energy laser to accelerate electrons in the proximity of a nanostructured dielectric surface.The aim of this project was limited to laser beam routing and imaging techniques for a DLA experiment. The goal was to design the laser beam pathway between the laser and the dielectric sample, and testing a proposed imaging system for aiming the laser. This goal was achieved in a test setup using a low-energy laser. In the main setup including a femtosecond laser, the result indicated lack of focus. For a full experimental setup, a correction of this focus is essential and the beam path would need to be combined with a Scanning Electron Microscope (SEM) as an electron source.

Place, publisher, year, edition, pages
2019. , p. 43
Series
UPTEC F, ISSN 1401-5757 ; 19029
Keywords [en]
Dielectric Laser Acceleration, DLA, Particle Acceleration, Acceleration, Femtosecond Laser, Dielectric grating, Laser Beam Focus, Beam Focusing, Scanning Electron Microscope, SEM, Microscope Imaging
National Category
Accelerator Physics and Instrumentation
Identifiers
URN: urn:nbn:se:uu:diva-385987OAI: oai:DiVA.org:uu-385987DiVA, id: diva2:1326725
Educational program
Master Programme in Engineering Physics
Supervisors
Examiners
Available from: 2019-06-18 Created: 2019-06-18 Last updated: 2019-06-18Bibliographically approved

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CiteExportLink to record
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