Funding for this research was provided by:
the Young Yangtse River Scholar (Q2016212)
International Joint Lab Program supported by Science and Technology Commission Shanghai Municipality (17590750300)
the 111 Project (D18014)
National Key Research and Development Program of China (2017YFA0701005)
National Natural Science Foundation of China (61731020, 61722111)
Journal title: Journal of Optics
Article type: paper
Article title: Concentric-ring-grating-induced strong terahertz near-field enhancement on a micro-tip
Copyright information: © 2019 IOP Publishing Ltd
Publication dates
Date received: 2019-03-18
Date accepted: 2019-08-21
Online publication date: 2019-09-20