Metal-Coated Nano-Cone-Tip Optical Antenna

Tunable localized lightfield

The apex Coulomb-like blockade reshapes surface charge distribution, breaking conventional standing-wave patterns for precise control of near-field lightwave characteristics.

Liu, Taige · Shi, Jiashuo · Shenghua, Duan · Wang, Zhe · Zhang, Xinyu

Scientific Reports 2023

Specifications

入射激光中心波长
{'zh': '633', 'en': ''} nm

Advantages

Antinodes of surface net-charge distribution pushed away from normal positions, distorted waveform