Dielectric laser acceleration of nonrelativistic electrons at a single fused silica grating structure: Experimental part

Dielectric laser acceleration of nonrelativistic electrons at a single fused silica grating structure: Experimental part

Recently, our group has demonstrated dielectric laser acceleration of nonrelativistic electrons at a scalable fused silica grating [J. Breuer and P. Hommelhoff, Phys. Rev. Lett. 111, 134803 (2013)]. This represents a demonstration of the inverse Smith-Purcell effect in the optical regime. The third...

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Main Authors: John Breuer, Roswitha Graf, Alexander Apolonski, Peter Hommelhoff
Format: Article
Language:English
Published: American Physical Society 2014-02-01
Series:Physical Review Special Topics. Accelerators and Beams
Online Access:http://doi.org/10.1103/PhysRevSTAB.17.021301
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spelling doaj-a91f1769f49e4f8caa23d902d6f92cb32020-11-25T02:19:07ZengAmerican Physical SocietyPhysical Review Special Topics. Accelerators and Beams1098-44022014-02-0117202130110.1103/PhysRevSTAB.17.021301Dielectric laser acceleration of nonrelativistic electrons at a single fused silica grating structure: Experimental partJohn BreuerRoswitha GrafAlexander ApolonskiPeter HommelhoffRecently, our group has demonstrated dielectric laser acceleration of nonrelativistic electrons at a scalable fused silica grating [J. Breuer and P. Hommelhoff, Phys. Rev. Lett. 111, 134803 (2013)]. This represents a demonstration of the inverse Smith-Purcell effect in the optical regime. The third spatial harmonic of the grating, which is excited by Titanium:sapphire laser pulses, synchronously accelerates 28 keV electrons derived from an electron microscope column. We observe a maximum acceleration gradient of 25 MeV/m. Here we present the experimental setup in detail. We describe grating-related issues such as surface charging and alignment as well as damage threshold measurements. A detailed explanation of the detection scheme is given. Furthermore, extensive numerical simulations are discussed, which agree well with the experimental results.http://doi.org/10.1103/PhysRevSTAB.17.021301
collection DOAJ
language English
format Article
sources DOAJ
author John Breuer
Roswitha Graf
Alexander Apolonski
Peter Hommelhoff
spellingShingle John Breuer
Roswitha Graf
Alexander Apolonski
Peter Hommelhoff
Dielectric laser acceleration of nonrelativistic electrons at a single fused silica grating structure: Experimental part
Physical Review Special Topics. Accelerators and Beams
author_facet John Breuer
Roswitha Graf
Alexander Apolonski
Peter Hommelhoff
author_sort John Breuer
title Dielectric laser acceleration of nonrelativistic electrons at a single fused silica grating structure: Experimental part
title_short Dielectric laser acceleration of nonrelativistic electrons at a single fused silica grating structure: Experimental part
title_full Dielectric laser acceleration of nonrelativistic electrons at a single fused silica grating structure: Experimental part
title_fullStr Dielectric laser acceleration of nonrelativistic electrons at a single fused silica grating structure: Experimental part
title_full_unstemmed Dielectric laser acceleration of nonrelativistic electrons at a single fused silica grating structure: Experimental part
title_sort dielectric laser acceleration of nonrelativistic electrons at a single fused silica grating structure: experimental part
publisher American Physical Society
series Physical Review Special Topics. Accelerators and Beams
issn 1098-4402
publishDate 2014-02-01
description Recently, our group has demonstrated dielectric laser acceleration of nonrelativistic electrons at a scalable fused silica grating [J. Breuer and P. Hommelhoff, Phys. Rev. Lett. 111, 134803 (2013)]. This represents a demonstration of the inverse Smith-Purcell effect in the optical regime. The third spatial harmonic of the grating, which is excited by Titanium:sapphire laser pulses, synchronously accelerates 28 keV electrons derived from an electron microscope column. We observe a maximum acceleration gradient of 25 MeV/m. Here we present the experimental setup in detail. We describe grating-related issues such as surface charging and alignment as well as damage threshold measurements. A detailed explanation of the detection scheme is given. Furthermore, extensive numerical simulations are discussed, which agree well with the experimental results.
url http://doi.org/10.1103/PhysRevSTAB.17.021301
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AT alexanderapolonski dielectriclaseraccelerationofnonrelativisticelectronsatasinglefusedsilicagratingstructureexperimentalpart
AT peterhommelhoff dielectriclaseraccelerationofnonrelativisticelectronsatasinglefusedsilicagratingstructureexperimentalpart
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