Surface-plasmon enhanced photoemission of a silver nano-patterned photocathode

被引：3

作者：

Zhang, Z. ^{[1
]}

Li, R. ^{[2
]}

To, H. ^{[3
]}

Andonian, G. ^{[3
]}

Pirez, E. ^{[4
]}

Meade, D. ^{[4
]}

Maxson, J. ^{[4
]}

Musumeci, P. ^{[4
]}

机构：

[1] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China

[2] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

[3] RadiaBeam Technol, Santa Monica, CA USA

[4] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2017年 / 865卷

基金：

美国国家科学基金会;

关键词：

Nano-pattern; Surface plasmon; Multi-photoemission; Silver cathode;

D O I：

10.1016/j.nima.2016.11.042

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Nano-patterned photocathodes (NPC) take advantage of plasmonic effects to resonantly increase absorption of light and localize electromagnetic field intensity on metal surfaces leading to surface-plasmon enhanced photoemission. In this paper, we report the status of NPC research at UCLA including in particular the optimization of the dimensions of a nanohole array on a silver wafer to enhance plasmonic response at 800 nm light, the development of a spectrally-resolved reflectivity measurement setup for quick nanopattern validation, and of a novel cathode plug to enable high power tests of NPCs on single crystal substrates in a high gradient radiofrequency gun.

引用

页码：114 / 118

页数：5

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