Enhancement of spin-polarized electron emission from Strain-CompensatedAlInGaAs-GaAsP superlattices

被引：0
|
作者：
Roberts, J. S. [1 ]
Yashin, Yu. P. [2 ]
Mamaev, Yu. A. [2 ]
Gerchikov, L. G. [2 ]
Martiyama, T. [3 ]
Luh, D. -A. [3 ]
Clendenin, J. E. [3 ]
机构：
[1] Univ Sheffield, Dept Elect Engn, Mappin St, Sheffield S1 3JD, S Yorkshire, England
[2] State Polytech Univ, St Petersburg 195251, Russia
[3] Stanford Linear Accelerator Ctr, Menlo Pk, CA 94025 USA
来源：
PROCEEDINGS OF THE 17TH INTERNATIONAL SPIN PHYSICS SYMPOSIUM | 2007年 / 915卷
基金：
瑞士国家科学基金会;
关键词：
enhancement; quantum efficiency; Fabry-Perot resonator;
D O I：
暂无
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Resonance enhancement of the quantum efficiency of new polarized electron photocathodes based on a short-period strain-compensated AlInGaAs/GaAsP superlattice structure is reported. The superlattice is a part of an integrated Fabry-Perot optical cavity. We demonstrate that the Fabry-Perot resonator enhances the quantum efficiency by up to a factor 10 in the wavelength region of the main polarization maximum. The high structural quality implied by these results points to the very promising application of these photocathodes for spin-polarized electron sources.
引用
收藏
页码：1077 / +
页数：2
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