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Optical components of XUV monochromator: For use in laser based angle-resolved photoemission spectroscopy
KTH, School of Information and Communication Technology (ICT).
2010 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesisAlternative title
Optiska komponenter för XUV-monokromator (Swedish)
Abstract [en]

At the division of Material Physics at KTH an angle resolved photoemission spectrometer (ARPES) is being built. This system uses a pulsed laser to create ultraviolet light through higher harmonic generation. The laser has a high output effect which puts the optical components of the system under a large heat load. This thesis investigates the use of silicon carbide (SiC) as a possible material for use in the system. A diffraction grating is modelled and then processed by use of photolithography and plasma etching. This is then characterized by different methods, finally in its working environment. It is concluded that silicon carbide is a plausible material for use in the ARPES system.

Abstract [sv]

Vid avdelningen för materialfysik vid KTH håller en laserbaserad vinkelupplöst fotoemissionsspektrometer på att byggas upp. Denna använder ultraviolett ljus för att excitera fotoelektroner som sedan detekteras genom time of flight. Ljuskällan som ger UV-fotonerna är en pulsad laser som ger en hög effekt, vilket ställer krav på att alla optiska komponenter i systemet skall klara en hög värmelast. I detta examensarbete undersöks om kiselkarbid (SiC) uppfyller dessa krav. Modellering av ett diffraktionsgitter görs, och resultatet av detta ger vägledning under processningen av gittret. Gittret tillverkas med hjälp av fotolitografi och plasmaetsning av en kiselkarbidwafer. Denna karakteriseras sedan med olika metoder och finns fungera bra för sitt ändamål.

Place, publisher, year, edition, pages
2010. , 56 p.
Series
TRITA-ICT-EX, 2010:98
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-207855OAI: oai:DiVA.org:kth-207855DiVA: diva2:1098927
Subject / course
Microelectronics and Applied Physics
Educational program
Master of Science in Engineering -Engineering Physics
Examiners
Available from: 2017-06-16 Created: 2017-05-28 Last updated: 2017-07-31Bibliographically approved

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Condensed Matter Physics

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