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- W4295698953 abstract "Nanosecond electron pulses are appealing for ultrafast imaging and electron gating applications, where tunable currents and narrow energy spreads are desirable. Here, we demonstrate photoemission from a Schottky emitter triggered by nanosecond laser pulses and use a dispersive magnetic prism array to image the electron energy distributions. Using photon energies optimally tuned to the emission potential barrier, we generate pulses containing over 10$^5$ electrons with energy spreads below 1 eV with a prompt, single-photon emission process. These results are consistent with theoretical models of laser-triggered electron emission and energetic broadening during propagation and can be widely implemented." @default.
- W4295698953 created "2022-09-14" @default.
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- W4295698953 date "2022-09-09" @default.
- W4295698953 modified "2023-09-24" @default.
- W4295698953 title "Nanosecond photoemission near the potential barrier of a Schottky emitter" @default.
- W4295698953 doi "https://doi.org/10.48550/arxiv.2209.04478" @default.
- W4295698953 hasPublicationYear "2022" @default.
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