Development of a vacuum ultraviolet laser-based angle-resolved photoemission system with a superhigh energy resolution better than 1 meV

被引：188

作者：

Liu, Guodong ^{[1
]}

Wang, Guiling ^{[2
]}

Zhu, Yong ^{[3
]}

Zhang, Honpbo ^{[2
]}

Zhang, Guochun ^{[3
]}

Wang, Xiaoyang ^{[3
]}

Zhou, Yong ^{[2
]}

Zhang, Wentao ^{[1
]}

Liu, Haiyun ^{[1
]}

Zhao, Lin ^{[1
]}

Meng, Jianqiao ^{[1
]}

Dong, Xiaoli ^{[1
]}

Chen, Chuangtian ^{[3
]}

Xu, Zuyan ^{[2
]}

Zhou, X. J. ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Natl Lab Superconduct, Beijing 100080, Peoples R China

[2] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Lab Opt, Beijing 100080, Peoples R China

[3] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100080, Peoples R China

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2008年 / 79卷 / 02期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.2835901

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The design and performance of the first vacuum ultraviolet (VUV) laser-based angle-resolved photoemission (ARPES) system are described. The VUV laser with a photon energy of 6.994 eV and bandwidth of 0.26 meV is achieved from the second harmonic generation using a novel nonlinear optical crystal KBe2BO3F2. The new VUV laser-based ARPES system exhibits superior performance, including superhigh energy resolution better than I meV, high momentum resolution, superhigh photon flux, and much enhanced bulk sensitivity, which are demonstrated from measurements on a typical Bi2Sr2CaCu2O8 high temperature superconductor. Issues and further development related to the VUV laser-based photoemission technique are discussed. (C) 2008 American Institute of Physics.

引用

页数：11

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