Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/1334
Title: Persistence of photonic nanojet formation under the deformation of circular boundary
Authors: Mahariq, İbrahim
Astratov, Vasily N.
Kurt, Hamza
200103
Keywords: Spectral Element Method
Jets
Issue Date: 1-Apr-2016
Publisher: Optical Soc Amer
Source: Mahariq, I., Astratov, V. N., & Kurt, H. (2016). Persistence of photonic nanojet formation under the deformation of circular boundary. JOSA B, 33(4), 535-542.
Abstract: A photonic nanojet is a highly focused optical beam with a subwavelength waist on the shadow side of the dielectric microsphere or microcylinder. In this paper, photonic nanojets resulting from corrugated cylinders (with irregular boundaries) under normally incident plane-wave illumination are studied. Different levels of corrugations induced at the boundaries of the dielectric microcylinders produce strong light focusing as well as a photonic nanojet with unique performance compared to perfectly smooth cylinders. The spectral element method is utilized in this study for the sake of high accuracy. Interestingly, we found that under some geometrical/material parameters one may not need a highly perfect cylinder in order to obtain a photonic nanojet. In addition, resonance behavior is reported and examined under larger variations in the parameters defining corrugated cylinders when compared with circular dielectric cylinders. (C) 2016 Optical Society of America
URI: https://www.osapublishing.org/josab/abstract.cfm?uri=josab-33-4-535
https://hdl.handle.net/20.500.11851/1334
ISSN: 0740-3224
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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