基于可调谐真空紫外光源的高分辨率兆赫兹时间分辨角分辨光电子能谱
仪器与探测器
2024-03-26 v2 光学
摘要
时间分辨角分辨光电子能谱(trARPES)允许直接映射电子能带结构及其在飞秒时间尺度上的动态响应。在这里，我们展示了一个新的ARPES系统，由真空紫外(VUV)范围内新型光纤飞秒光源驱动，可访问大多数材料的完整第一布里渊区。我们展示了Au(111)、多晶Au、Bi2Se3和TaTe2上的trARPES数据，证明了在1 MHz高重复频率下，能量分辨率为21 meV，时间分辨率<360 fs。该系统与极紫外(EUV)高次谐波产生(HHG)束线集成，实现了时间-带宽分辨率的出色可调性。
引用
@article{arxiv.2402.00784,
title = {High-resolution MHz time- and angle-resolved photoemission spectroscopy based on a tunable vacuum ultraviolet source},
author = {Lukas Hellbrück and Michele Puppin and Fei Guo and Daniel D. Hickstein and Siham Benhabib and Marco Grioni and J. Hugo Dil and Thomas LaGrange and Henrik M. Rønnow and Fabrizio Carbone},
journal= {arXiv preprint arXiv:2402.00784},
year = {2024}
}
备注
The following article has been published in Review of Scientific Instruments. The article can be found at https://doi.org/10.1063/5.0179549