Progress towards multi-pass transmission electron microscopy

Joshua L. Reynolds; Yonatan Israel; Adam J. Bowman; Brannon B. Klopfer; Mark A. Kasevich

doi:10.1117/12.2650984

17 March 2023 Progress towards multi-pass transmission electron microscopy

Joshua L. Reynolds, Yonatan Israel, Adam J. Bowman, Brannon B. Klopfer, Mark A. Kasevich

Proceedings Volume PC12406, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications VIII; PC124060C (2023) https://doi.org/10.1117/12.2650984
Event: SPIE LASE, 2023, San Francisco, California, United States

Abstract

Multi-pass optical and electron microscopes outperform standard single-pass instruments in dose-limited regimes and have been shown to be quantum optimal. We report on recent progress towards demonstrating multi-pass transmission electron microscopy with a focus on the electron gun and monochromator system. Prompt electron emission from a Schottky emitter is laser-triggered with nanosecond optical pulses, and a single-photon emission process can be used to generate high current pulses with narrow intrinsic energy spreads. These pulse properties could be useful for nanosecond time-resolved and potentially single-shot microscopy experiments and are well-suited for use in a multi-pass transmission electron microscope.

Conference Presentation

Citation Download Citation

Joshua L. Reynolds, Yonatan Israel, Adam J. Bowman, Brannon B. Klopfer, and Mark A. Kasevich "Progress towards multi-pass transmission electron microscopy", Proc. SPIE PC12406, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications VIII, PC124060C (17 March 2023); https://doi.org/10.1117/12.2650984

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