Photonic lenses with whispering gallery waves at Janus particles
Authors:
- Igor V. MininIMIgor V. Minin
- Oleg V. MininOMOleg V. Minin
- Yinghui CaoYCYinghui Cao
- Bing YanBYBing Yan
- Zengbo WangZWZengbo Wang
- Boris Luk’YAnchukBLBoris Luk’YAnchuk
- 1 January 2022
- journal article
- Published by Opto-Electronic Advances in Opto-Electronic Science
- Vol. 1 (2) , 210008-1-210008-9
Abstract
We show that electric field on the plane surface of truncated sphere or cylinders (so called Janus particles) have sharp resonances versus the depth of removed segment of a sphere or cylinder. These resonances are related to the excited whispering gallery waves caused by truncation. It is a new mechanism of the field localization. Optimization of this effect for cylinders permits to reach a super resolution in the line thickness, which can be used for contact optical lithography.Keywords
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