2019
DOI: 10.1088/1367-2630/ab5857
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Field emission microscopy pattern of a single-crystal diamond needle under ultrafast laser illumination

Abstract: We report herein on the spatial beam properties of a field emission electron source based on a singlecrystal diamond needle illuminated by ultrashort light pulses. We show that the increasing of the laser intensity strongly modifies the emission pattern, leading to the emergence of a new emission region at high peak power. This region is situated on the opposite side of the diamond needle to the one irradiated by the laser. By spatially-resolved energy spectrometry, we prove that the electrons emitted from thi… Show more

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Cited by 3 publications
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