Laser-Assisted Photoelectric Effect from Liquids

被引：18
|
作者：
Arrell, C. A. [1 ,2 ]
Ojeda, J. [1 ,2 ]
Mewes, L. [1 ,2 ]
Grilj, J. [1 ,2 ]
Frassetto, F. [3 ]
Poletto, L. [3 ]
van Mourik, F. [1 ,2 ]
Chergui, M. [1 ,2 ]
机构：
[1] Ecole Polytech Fed Lausanne, Stn 6, ISIC, Lab Ultrafast Spect, CH-1015 Lausanne, Switzerland
[2] Ecole Polytech Fed Lausanne, Stn 6, ISIC, Lausanne Ctr Ultrafast Sci, CH-1015 Lausanne, Switzerland
[3] Natl Res Council Italy, Inst Photon & Nanotechnol CNR IFN, Via Trasea 7, I-35131 Padua, Italy
来源：
PHYSICAL REVIEW LETTERS | 2016年 / 117卷 / 14期
基金：
瑞士国家科学基金会;
关键词：
EXCITED-STATE; SPECTROSCOPY; DYNAMICS; WATER; PHOTOEMISSION; RADIATION; ELECTRONS; DECAY; FIELD;
D O I：
10.1103/PhysRevLett.117.143001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The laser-assisted photoelectric effect from liquid surfaces is reported for the first time. Photoelectrons generated by 35.6 eV radiation from a liquid microjet of water under vacuum are dressed with (h) over bar omega = 1.55 eV laser field. The subsequent redistribution of the photoelectron energies consists in the appearance of sidebands shifted by energies equivalent to (h) over bar omega, 2 (h) over bar omega, and 3 (h) over bar omega. The response has been modeled to the third order and combined with energy-resolved measurements. This result opens the possibility to investigate the dynamics at surfaces of liquid solutions and provide information about the electron emission process from a liquid.
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页数：4
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