Zobrazeno 1 - 10
of 69
pro vyhledávání: '"S R, Greig"'
Publikováno v:
Communications Physics, Vol 3, Iss 1, Pp 1-7 (2020)
Ultrafast processes occurring on nanoscale surfaces can be probed with ultrafast low-energy electron pulses. Specifically, for metallic samples, the interaction of free electrons with surface plasmon fields provides insight into the nanoscale electro
Publikováno v:
Nanophotonics, Vol 6, Iss 1, Pp 235-257 (2017)
As modern complementary-metal-oxide-semiconductor (CMOS) circuitry rapidly approaches fundamental speed and bandwidth limitations, optical platforms have become promising candidates to circumvent these limits and facilitate massive increases in compu
Autor:
C. J. Firby, Kevin T. Zawilski, A. Y. Elezzabi, B. N. Carnio, Peter G. Schunemann, S. R. Greig
Publikováno v:
SPIE Proceedings.
The detection properties of a chalcopyrite zinc germanium diphosphide (ZnGeP2, ZGP) electro-optic (EO) crystal, having thickness of 1080 μm and cut along the plane, is studied in the terahertz (THz) frequency range. Outstanding phase matching is ach
We show the reduction of the nonlinear electron emission order of an eCarbon/gold bilayer driven by a surface plasmon wave. The eCarbon layer allows for higher confined electric fields and increased electric field enhancement which increases lower or
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f1aee84924bd6f1054e04133390abd8
https://nrc-publications.canada.ca/eng/view/object/?id=4087a845-c82e-4f8a-ae11-996a3ba142de
https://nrc-publications.canada.ca/eng/view/object/?id=4087a845-c82e-4f8a-ae11-996a3ba142de
Autor:
A W, Hoey, N M, Foden, S, Hadjisymeou Andreou, F, Noonan, A K, Chowdhury, S R, Greig, E L, Sproson, D, Allin, N, Amin, K M, Wouters, N E, Jonas, D J, Tweedie
Publikováno v:
Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-LaryngologyCervico-Facial Surgery. 42(6)
Intracapsular tonsillectomy (tonsillotomy) has been used internationally, mainly in the management of obstructive sleep apnoea, rather than recurrent tonsillitis, with few published data evaluating its use for this latter indication. We present long-
Autor:
S. R. Greig, A. Y. Elezzabi
Publikováno v:
SPIE Proceedings.
We present the design of an ultrafast conical lens based nanoplasmonic electron gun. Through excitation with a radially polarized laser pulse, and a combination of magnetostatic and spatial filtering, high energy electron packets with attosecond dura
Autor:
S. R. Greig, A. Y. Elezzabi
Publikováno v:
Scientific Reports
We present a method for the generation of high kinetic energy attosecond electron packets via magnetostatic and aperture filtering of conical surface plasmon (SP) accelerated electrons. The conical SP waves are excited by coupling an ultrafast radial
Publikováno v:
Scientific Reports
We report the observation of terahertz (THz) electric field induced conductivity modulation in sub-wavelength gold plasmonic media. Through all-THz pump-probe time-resolved transmission spectroscopy, we demonstrate that the presence of induced surfac
Autor:
A. Y. Elezzabi, S. R. Greig
Publikováno v:
SPIE Proceedings.
We propose an ultrafast, all-optical mechanism utilizing ultrashort terahertz electric field pulses to tailor the kinetic energy and directivity of surface plasmon generated electron pulses. By varying the electric field strength of a single applied
Autor:
A. Y. Elezzabi, S. R. Greig
Publikováno v:
SPIE Proceedings.
We present the detailed investigation of an ultrafast silicon based nanoplasmonic three terminal device. The device operates on the principle of ponderomotive acceleration of two-photon absorption generated electrons within a nanoplasmonic waveguide