Collimated Field Emission Beams from Metal Double-Gate Nanotip Arrays Optically Excited via Surface Plasmon Resonance

Helfenstein, Patrick; Mustonen, Anna; Feurer, Thomas; Tsujino, Soichiro (2013). Collimated Field Emission Beams from Metal Double-Gate Nanotip Arrays Optically Excited via Surface Plasmon Resonance. Applied Physics Express, 6(11), p. 114301. IOP Publishing 10.7567/APEX.6.114301

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The generation of collimated electron beams from metal double-gate nanotip arrays excited by near infrared laser pulses is studied. Using electromagnetic and particle tracking simulations, we showed that electron pulses with small rms transverse velocities are efficiently produced from nanotip arrays by laser-induced field emission with the laser wavelength tuned to surface plasmon polariton resonance of the stacked double-gate structure. The result indicates the possibility of realizing a metal nanotip array cathode that outperforms state-of-the-art photocathodes.

Item Type:	Journal Article (Original Article)
Division/Institute:	08 Faculty of Science > Institute of Applied Physics
UniBE Contributor:	Mustonen, Anna, Feurer, Thomas
Subjects:	600 Technology > 620 Engineering
ISSN:	1882-0786
Publisher:	IOP Publishing
Language:	English
Submitter:	Martin Frenz-Lips
Date Deposited:	03 Oct 2014 16:02
Last Modified:	05 Dec 2022 14:34
Publisher DOI:	10.7567/APEX.6.114301
Web of Science ID:	000326824000028
URI:	https://boris.unibe.ch/id/eprint/52977