Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Abdolrasoul Gharaati"'
Publikováno v:
Journal of Optoelectronical Nanostructures, Vol 6, Iss 4, Pp 109-136 (2021)
We study the supercontinuum generation in a nonlinearsilica single layer plasmonic waveguide. A major part ofspectral broadening is related to soliton dynamics when anultra-short pulse is launched in waveguide with anomalousGVD. Production of superco
Externí odkaz:
https://doaj.org/article/661f69c4281d4ab2ae9d66aa01d60a54
Publikováno v:
Journal of Optoelectronical Nanostructures, Vol 4, Iss 1, Pp 67-86 (2019)
We studied magnetophotonic crystals (MPCs) with introduced magneticdefect layer sandwiched between magnetic and dielectric Bragg mirrors. Thesemagnetophotonic crystals have excellent capabilities to enhance reflection and Kerrrotation simultaneously.
Externí odkaz:
https://doaj.org/article/8257ae38a17e4a8f9ee8eaf57866bff5
A Comparative Study of Insulators on Magnetic Properties of Sendust Based Nanocomposite Powder Cores
Publikováno v:
Journal of Optoelectronical Nanostructures, Vol 3, Iss 4, Pp 1-14 (2018)
In this study, Sendust (Fe85Si9.6Al5.4) nanostructure alloy was prepared bymechanical alloying and was characterized by X-ray diffraction. In addition, the alloy’smorphology and its distribution particle size were investigated by scanning electronm
Externí odkaz:
https://doaj.org/article/3954b6ee6a844a56ae808408f5aa2593
Autor:
Zeinab Zare, abdolrasoul gharaati
Publikováno v:
Journal of Optoelectronical Nanostructures, Vol 3, Iss 3, Pp 27-36 (2018)
Using the transfer matrix method, the effect of temperature on thetransmission spectra of thermal tunable nano metallic photonic crystal filter has beeninvestigated. Three different materials H (high refractive index material), L (lowrefractive index
Externí odkaz:
https://doaj.org/article/a5b06b44a9f643e2be2c9ba44cff2345
Autor:
Nasrin Miri, Abdolrasoul Gharaati
Publikováno v:
Journal of Optoelectronical Nanostructures, Vol 2, Iss 3, Pp 55-68 (2017)
In this paper we investigate focusing properties of graded index (GRIN) photonic crystal (PC) structures which are composed of different materials with different refractive indices. GRIN PC structure is constructed from air holes in dielectric backgr
Externí odkaz:
https://doaj.org/article/ad66c45318784d9fae88b8c7acf67ca8
Publikováno v:
Journal of Optoelectronical Nanostructures, Vol 2, Iss 1, Pp 49-58 (2017)
In this paper, we study two different Graded Index (GRIN) photonic crystal (PC) structures which are named as structure type I and type II. The PC structures are made of the square rod in an air background. To design a GRIN PC structure the lattice c
Externí odkaz:
https://doaj.org/article/577a553f63a74d88b5b1b8e88e0a195d
Publikováno v:
Journal of Optoelectronical Nanostructures, Vol 1, Iss 3, Pp 67-76 (2016)
In this paper, the temperature dependence on optical absorption cross section of the core shell bimetallic nanoparticles (NPs) is investigated in quasi static approximation. Temperature dependence of the plasmon resonance is important issue because o
Externí odkaz:
https://doaj.org/article/467a66e73b874b4a8b437d8b70ffc1d2
Publikováno v:
Recent Patents on Nanotechnology. 17
BACKGROUND: In recent years, severe electromagnetic interference among electronic devices has been caused by the unprecedented growth of communication systems. Therefore, microwave absorbing materials are required to relieve these problems by absorbi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce7c126154fcd5b14c5957d99ee97156
https://doi.org/10.2174/1872210517666221118110054
https://doi.org/10.2174/1872210517666221118110054
Autor:
Abdolrasoul Gharaati, Dariush Mardani
Publikováno v:
IEEE Transactions on Electron Devices. 68:318-323
The perveance, ${K}$ , one of the Pierce electron gun (PEG) outputs, is completely dependent on geometric features, including the anode–cathode spherical distance, ${D}_{\text {ac}}$ . If the measured ${K}$ is not desirable after assembling, or the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a1ab3561c5598ba6cc78a1bc151d176
https://doi.org/10.1109/ted.2020.3035732
https://doi.org/10.1109/ted.2020.3035732
Publikováno v:
Bulletin of the Chemical Society of Ethiopia; Vol. 36 No. 2 (2022); 465-477
In this work, we have characterized the linear and nonlinear optical properties of N,N′-bis(salicylidene)-p-phenylenediamine (BSP) in both macroscopic and microscopic modes by using Z-scan technique and quantum chemical calculations. The microscopi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::123ec865ba0bd4e1aac7e340b0712f31
https://www.ajol.info/index.php/bcse/article/view/225463
https://www.ajol.info/index.php/bcse/article/view/225463