Effects of whispering gallery mode in microsphere super-resolution imaging

Song Zhou, Yongbo Deng, Wenchao Zhou, Muxin Yu, H. P. Urbach, Yihui Wu

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Abstract

Whispering Gallery modes have been presented in microscopic glass spheres or toruses with many applications. In this paper, the possible approaches to enhance the imaging resolution by Whispering Gallery modes are discussed, including evanescent waves coupling, transformed and illustration by Whispering Gallery modes. It shows that the high-order scattering modes play the dominant role in the reconstructed virtual image when the Whispering Gallery modes exist. Furthermore, we find that the high image resolution of electric dipoles can be achieved, when the out-of-phase components exist from the illustration of Whispering Gallery modes. Those results of our simulation could contribute to the knowledge of microsphere-assisted super-resolution imaging and its potential applications.

Original languageEnglish
Article number236
JournalApplied Physics B: lasers and optics
Volume123
Issue number9
DOIs
Publication statusPublished - 1 Sep 2017

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