Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/1324
Title: Strong electromagnetic field localization near the surface of hemicylindrical particles
Authors: Mahariq, İbrahim
Giden, İbrahim Halil
Kurt, Hamza
Minin, Oleg V.
Minin, Igor V.
200103
Keywords: Subwavelength structures
Whispering gallery modes
Photonic nano-jets
Super-resolution
Laser beam shaping
Issue Date: Dec-2017
Publisher: Springer
Source: Mahariq, I., Giden, I. H., Kurt, H., Minin, O. V., & Minin, I. V. (2018). Strong electromagnetic field localization near the surface of hemicylindrical particles. Optical and Quantum Electronics, 50(11), 423.
Abstract: We theoretically study the forward and backward plane wave illuminations of hemicylindrical dielectric particles with different radii and refractive indices. Near field effects providing strong field enhancement and narrow beam width are obtained from hemicylindrical particles, which can be associated with whispering gallery modes (WGMs) and photonic nano-jets (PNJs). It should be noted that existence of PNJ and WGM effects depending on forward/backward light illuminations is studied for the first time in alldielectric hemicylindrical particles. Compared to dielectric cylinders, hemicylindrical aided PNJs show relatively small influences of WGM regime, when exists, to PNJ behavior. Under the backward excitation, on the other hand, typical nano-jet is produced. The designed hemicylindrical structure could be implemented in high-resolution optical imaging and sensing applications.
URI: https://link.springer.com/article/10.1007%2Fs11082-017-1263-5
https://hdl.handle.net/20.500.11851/1324
ISSN: 0306-8919
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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