Field enhancement of Optical Nanoantenna for 0.55μm Wavelength by Using OptiFDTD Simulation
Abstract
Abstract
In this research we choose the design of Dipole nanoantenna with the adoption
of finite difference time domain method. The design result of 0.55μm optical antenna and its
performance are presented. The optimal parameters are: [Gap=(10, 15, 20, 25, 30)nm &
Length=(200, 240, 280, 320, 360)nm]. The influence of the geometrical parameters (gap
dimension , nanoantenna length) on the antenna field enhancement and spectral response is
discussed. We found the field enhancement be bigger when the gap be very small at dipole
nanoantenna, where in the Gap=10nm the field enhancement more than in the Gaps (15, 20,
25, 30)nm.
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Copyright (c) 2015 Hayder Fahim Saber, Adnan Falih Hassan, Faris Mohammed Ali
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