Design of dual-wideband bandstop MIM plasmonic filter using multi-circular ring resonators

M Kamari, M Hayati, S Khosravi - Optical Materials, 2021 - Elsevier
A dual-wideband bandstop plasmonic filter in Near-Infrared (NIR) and Mid-Infrared (MIR)
wavelength ranges based on Metal-Insulator-Metal (MIM) waveguide coupled with multi …

Dual-wide band plasmonic filter based on nanocomposite media

S Khosravi, M Hayati - Optical Engineering, 2020 - spiedigitallibrary.org
A dual, wide band pass metal–insulator–metal plasmonic filter based on nanocomposite
media in the near-infrared band, 0.75 to 2.5 μm wavelength range, is proposed. Simulation …

Midinfrared invisibility cloak design using composite optical materials

S Khosravi, A Rostami, G Rostami… - IEEE Journal of …, 2015 - ieeexplore.ieee.org
In this paper, conventional transformation optics is applied to design an optical cloak in mid-
IR region (5 μm) for TM polarization to conceal cylindrical object using composite optical …

Broadband carpet cloak designed using nanocomposite metamaterials for 3–5-μm wavelength range

S Khosravi, A Rostami, M Dolatyari… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In this paper, a broadband carpet cloak using nanocomposite layers to operate in whole 3-5-
μm wavelength band is designed successfully. For this purpose, spherical nanometals or …

Broadband negative refractive index at visible range with composite materials

M Keshavarz, A Rostami, M Dolatyari… - Optical and Quantum …, 2016 - Springer
In this research work, composite media based on metamaterials including random
distribution of spherical nanoparticles in a polymeric foam host are suggested to achieve …

Tunable optical transmission of magnetic microsphere colloids

AA Siraji, Y Zhao - Applied Optics, 2018 - opg.optica.org
We demonstrate the tunable transmission of core-shell magnetic microsphere colloids
(MMC) and report its modeling by effective medium approximation (EMA). Transmission from …

A new property of the effective permittivity in polymeric medium with random distribution of spherical nanoparticles

CH Zhu, L Yang, N Liu, QH Liu - Europhysics Letters, 2016 - iopscience.iop.org
In polymeric medium with random distribution of plasmonic spherical nanoparticles, we find
that the real and imaginary parts of the effective permittivity form a circle. Though the …

Design of broadband visible carpet cloak based on composite media

S Khosravi, A Rostami, M Dolatyari… - … Iranian Conference on …, 2017 - ieeexplore.ieee.org
The main purpose of this paper is design of a carpet cloak to operate at visible wavelength
range (500 to 700nm) using nanocomposite materials. The refractive index profile of the …