Browsing by Author "Didari, Azadeh"
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Analysis of near-field radiation transfer within nano-gaps using FDTD method
Didari, Azadeh; Mengüç, Mustafa Pınar (Elsevier, 2014-10)Enhancement of near-field radiative emission via coupling of surface plasmons in nano-gaps formed between thin films is important for understanding and implementation of energy harvesting using nano-thermophotovoltaic ... -
A biomimicry design for nanoscale radiative cooling applications inspired by Morpho didius butterfly
Didari, Azadeh; Mengüç, Mustafa Pınar (Nature Publishing Group, 2018-11-15)In nature, novel colors and patterns have evolved in various species for survival, recognizability or mating purposes. Investigations of the morphology of various butterfly wings have shown that in addition to the pigmentation, ... -
Biomimicry designs for passive optical solutions for nanoscale radiative cooling applications
Didari, Azadeh; Mengüç, Mustafa Pınar (SPIE, 2018)Inspired by the mechanism of the wings of Morpho butterfly, here we propose biomimicry designs which have the potential to be used for radiative cooling purposes. We numerically analyzed the spontaneous emission at near-field ... -
A design tool for direct and non-stochastic calculations of near-field radiative transfer in complex structures: The NF-RT-FDTD algorithm
Didari, Azadeh; Mengüç, Mustafa Pınar (Elsevier, 2017)Advances in nanotechnology and nanophotonics are inextricably linked with the need for reliable computational algorithms to be adapted as design tools for the development of new concepts in energy harvesting, radiative ... -
Localized near-field radiative heat transfer in biomimicry designs inspired by neon tetra fish
Didari, Azadeh; Mengüç, Mustafa Pınar (Begell House Inc., 2019-06)Inspired by multilayer structure of the Neon tetra tropical fish which is one of the most fascinating multilayer systems ever reported in nature, we investigate the localized effects of coupling of surface phonon polaritons ... -
Near to far-field thermal emission by nanoparticles on a substrate: Evaluation of effective medium theory
Didari, Azadeh; Mengüç, Mustafa Pınar (The Optical Society, 2014)We study the near to far-field thermal emission of a thin SiC film with/without nanospheres placed upon it. We show that Effective Medium Theorem produces questionable results when approximating emission and absorption ... -
Near- and far-field thermal radiation in metamaterials and the development of NF-RT-FDTD algorithm
Didari, Azadeh (2016-06)In this dissertation, analysis of near-field regime of thermal radiative transfer in metamaterials supporting surface phonon polaritons (SPhPs) is given. Solutions of electromagnetic fields at subwavelength distances are ... -
Near- to far-field coherent thermal emission by surfaces coated by nanoparticles and the evaluation of effective medium theory
Didari, Azadeh; Mengüç, Mustafa Pınar (The Optical Society, 2015)Near-field thermal radiation may play significant role in the enhancement of energy harvesting and radiative cooling by new types of designer materials, which in turn can be crucial in the development of future devices. ... -
Near-field thermal emission between corrugated surfaces separated by nano-gaps
Didari, Azadeh; Mengüç, Mustafa Pınar (Elsevier, 2015)Near-field thermal radiation with its many potential applications in different fields requires a thorough understanding for the development of new devices. In this paper, we report that near-field thermal emission between ... -
Near-field thermal radiation transfer by mesoporous metamaterials
Didari, Azadeh; Mengüç, Mustafa Pınar (The Optical Society, 2015-09-21)In this work, we investigate the impact of nano-scale pores within structured metamaterials on spectral near-field radiative transfer. We use Finite Difference Time Domain Method (FDTD) and consider uniform and corrugated ... -
Publisher correction: A biomimicry design for nanoscale radiative cooling applications inspired by Morpho didius butterfly
Didari, Azadeh; Mengüç, Mustafa Pınar (2019-02-26)A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper. The original PDF version of this Article contained a truncated Figure 4. ... -
Tunable near-field radiative transfer by III–V group compound semiconductors
Elçioğlu, E. B.; Didari, Azadeh; Özyurt, T. O.; Mengüç, Mustafa Pınar (IOP Publishing, 2019-03-06)Near-field radiative transfer (NFRT) refers to the energy transfer mechanism which takes place between media separated by distances comparable to or much smaller than the dominant wavelength of emission. NFRT is due to the ...
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