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RIS citation export for THYD5: Development of Nanopatterned Strong Field Emission Cathodes

TY  - CONF
AU  - Lawler, G.E.
AU  - Majernik, N.
AU  - Mann, J.I.
AU  - Montanez, N.
AU  - Rosenzweig, J.B.
ED  - Biedron, Sandra
ED  - Simakov, Evgenya
ED  - Milton, Stephen
ED  - Anisimov, Petr M.
ED  - Schaa, Volker R.W.
TI  - Development of Nanopatterned Strong Field Emission Cathodes
J2  - Proc. of NAPAC2022, Albuquerque, NM, USA, 07-12 August 2022
CY  - Albuquerque, NM, USA
T2  - International Particle Accelerator Conference
T3  - 5
LA  - english
AB  - Increasing brightness at the cathode is highly desirable for a diverse suite of applications in the electron accelerator community. These applications range from free electron lasers to ultrafast electron diffraction. Many options for higher brightness cathodes are under investigation notably semiconductor cathodes. We consider here the possibility for an alternative paradigm whereby the cathode surface is controlled to reduce the effective area of illumination and emission. We fabricated nanoblade metallic coated cathodes using common nanofabrication techniques. We have demonstrated that a beam can be successfully extracted with a low emittance and we have reconstructed a portion of the energy spectrum. As a result of our particular geometry, our beam possesses a notably high aspect ratio in its transverse plane. We can now begin to consider modifications for the production of intentionally patterned beams such as higher aspect ratios and hollow beams.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 863
EP  - 865
KW  - cathode
KW  - electron
KW  - laser
KW  - brightness
KW  - simulation
DA  - 2022/10
PY  - 2022
SN  - 2673-7000
SN  - 978-3-95450-232-5
DO  - doi:10.18429/JACoW-NAPAC2022-THYD5
UR  - https://jacow.org/napac2022/papers/thyd5.pdf
ER  -