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Browsing by Author "01ae6d53-d48b-49a6-a67c-8de6de010f07"
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High birefringent, low loss and flattened dispersion asymmetric slotted core-based photonic crystal fiber in THz regime
Monir, Md. Khairum; Hasan, Mahmudul; Paul, Bikash Kumar; Ahmed, Kawsar; El-Khozondar, Hala J.; Amiri, IS (World Scientific Pub Co Pte Lt, 2019-08-10)This paper proposes a novel model to attain high birefringence and low loss in a slotted core-based photonic crystal fiber (PCF) structure in THz regime. The performance of the proposed PCF has been evaluated by applying ... -
Highly Efficient Solar Energy Conversion Using Graded-index Metamaterial Nanostructured Waveguide
El-Khozondar, Hala J.; El-Khozondar, Rifa J.; Shama, Abhishek; Ahmed, Kawsar; Dhasarathan, Vigneswaran (2020)In this paper, a graded-index metamaterial (GIM) nanostructured waveguide is proposed to enhance the performance of solar cells via a tunable absorption spectrum. The proposed four-layer nanostructured waveguide consists ... -
The design and analysis of a dual‑diamond‑ring PCF‑based sensor
Paul, Bikash Kumar; Ahmed, Kawsar; El-Khozondar, Hala J. (Springer Science+Business Media, LLC, part of Springer Nature 2020, 2020)A dual-diamond-ring photonic crystal fber (PCF)-based sensor is proposed and analyzed herein for the detection of the concentration of alcohol in aqueous solution. Commercially available fnite element method (FEM)-based ...