Polarization-Resolved Near-Field Mapping of Plasmonic Aperture Emission by a Dual-SNOM System
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- 作者：Angela E. Klein ; Norik Janunts ; Michael Steinert ; Andreas T眉nnermann ; Thomas Pertsch
- 刊名：Nano Letters
- 出版年：2014
- 出版时间：September 10, 2014
- 年：2014
- 卷：14
- 期：9
- 页码：5010-5015
- 全文大小：283K
- ISSN：1530-6992
文摘
We study the polarization characteristics of light emission and collection in the near field by the tips of a Dual-SNOM (two scanning near-field optical microscopes) setup. We find that cantilevered fiber probes can serve as emitters of polarized light, or as polarization-sensitive detectors. The polarization characteristics depend on the fiber type used for tip fabrication. In Dual-SNOM measurements, we demonstrate mapping of different field components of the plasmonic dipole pattern emitted by an aperture probe.