Ultrafast Microscopy: Imaging Light with Photoelectrons on the Nano–Femto Scale,The Journal of Physical Chemistry Letters

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Ultrafast Microscopy: Imaging Light with Photoelectrons on the Nano–Femto Scale
The Journal of Physical Chemistry Letters ( IF 4.8 ) Pub Date : 2017-09-06 00:00:00 , DOI: 10.1021/acs.jpclett.7b00904
Maciej Dąbrowski ₁ , Yanan Dai ₁ , Hrvoje Petek ₁

Affiliation

Experimental methods for ultrafast microscopy are advancing rapidly. Promising methods combine ultrafast laser excitation with electron-based imaging or rely on super-resolution optical techniques to enable probing of matter on the nano–femto scale. Among several actively developed methods, ultrafast time-resolved photoemission electron microscopy provides several advantages, among which the foremost are that time resolution is limited only by the laser source and it is immediately capable of probing of coherent phenomena in solid-state materials and surfaces. Here we present recent progress in interference imaging of plasmonic phenomena in metal nanostructures enabled by combining a broadly tunable femtosecond laser excitation source with a low-energy electron microscope.

中文翻译：

超快速显微镜：在纳米毫微微尺度上用光电子成像光

超快速显微镜的实验方法正在迅速发展。有前途的方法将超快激光激发与基于电子的成像相结合，或者依靠超分辨率光学技术来实现纳米毫微微尺度的物质探测。在几种积极开发的方法中，超快速时间分辨光电子显微镜具有许多优点，其中最重要的是时间分辨率仅受激光源限制，并且能够立即探测固态材料和表面中的相干现象。在这里，我们介绍了金属纳米结构中等离子体现象的干涉成像的最新进展，该技术通过将可广泛调谐的飞秒激光激发源与低能电子显微镜相结合而实现。

更新日期：2017-09-06

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