Results 31 to 40 of about 17,479 (71)

A research on optical wireless sensor connections using non-orthogonal multiple access techniques

Results in Optics
This research endeavor delves into the utilization of non-orthogonal multiple access (NOMA) techniques within the context of optical wireless sensor networks (OWSNs).
Rizwan Abbas, Tamara Al Shloul, Muhammad Assam, Masoud Alajmi, Hend Khalid Alkahtani   +4 more
doaj   +1 more source

Interaction of Fullerenes with Organosilanes in the Ionization Chamber of a Mass Spectrometer under Electron Impact and the Reaction of C60 with Tetraphenylsilane in Solution under UV Irradiation

Journal of Spectroscopy, 2016
C60 was shown to react with organosilanes Me4Si, Ph2SiH2, Ph2MeSiH, Ph4Si, and α-naphthylphenylmethylsilane in the electron ionization ion source of a mass spectrometer with the transfer of the corresponding organic radicals (Me, Ph, and α-naphthyl) from
Yury I. Lyakhovetsky, Elena A. Shilova, Alexandra P. Pleshkova, Alexander I. Belokon, Sergey O. Yakushin, Boris L. Tumanskii   +5 more
doaj   +1 more source

Uncertainty quantification of grating filters via a Polynomial-Chaos method with a variance-adaptive design domain

Results in Optics
In this work, we describe an algorithm based on Polynomial-Chaos (PC) expansions for the study of uncertainty quantification problems involving grating filters.
Aristeides D. Papadopoulos, Theodoros T. Zygiridis, Elias N. Glytsis, Nikolaos V. Kantartzis   +3 more
doaj   +1 more source

PVD preparation and spectral study of organic electroluminescent material 8-hydroxyquinoline lithium

Results in Optics
The usage of organic electroluminescent materials has increased due to their processing benefits and distinctive functional characteristics. In this study, physical vapor deposition (PVD) was used to create the spherical organic luminous material 8 ...
Juncong He, Fulian Li, Yunshuai Long, Yumin Song, Liuchuang Wei, Xiaojie Liang, Kunyong Kang   +6 more
doaj   +1 more source

Microwave heating for the production of red-emitting sintered waste glass containing rare-earth ions

Results in Optics
In recent years, the environmental impact caused by packaging wastes has become an increasing concern, and some of the wastes continue to be disposed improperly. Glass is one of the materials frequently utilized for packaging.
Achanai Buasri, Worakarn Keereekongsakol, Udomsap Phuttharaksa, Vorrada Loryuenyong   +3 more
doaj   +1 more source

Surface-Enhanced Raman Spectroscopy Analysis of Human Breast Cancer via Silver Nanoparticles: An Examination of Fabrication Methods

Journal of Spectroscopy, 2018
Breast cancer in a traditional way is diagnosed using mammography, computer tomography, ultrasounds, biopsy, and finally, histopathological analysis.
Beata Brozek-Pluska, Monika Kopec, Jakub Surmacki   +2 more
doaj   +1 more source

Modeling of diffuse reflectance for a two layered medium: A Monte-Carlo study

Results in Optics
A simple exponential model of diffuse reflectance for a two-layered medium was developed theoretically based on Monte Carlo simulation. Absorption and reduced scattering coefficients of these two layers were chosen to be different in which scattering ...
Ali Shahin
doaj   +1 more source

One- and two-slit experiments using photons and electrons: A proper resolution

Results in Optics
We construct proper microscopic propositions to consistently capture and explain the interference patterns obtained for electrons and photons, detected individually or otherwise, in one- and two-slit experiments.
Andrew Das Arulsamy
doaj   +1 more source

Suppression of Nonlinear XPM Phenomenon by Selection of Appropriate Transmit Power Levels in the DWDM System

International Journal of Optics, 2019
In the 21st century, it is not possible to implement fully optical communication systems without software tools to test the system for all unwanted phenomena occurring during real-time operation.
Tomáš Ivaniga, Petr Ivaniga
doaj   +1 more source

Interaction and aggregation of iron oxide γ-Fe2O3 nanoparticles with a 1,8-Naphthalimide derivative

Results in Optics
The interaction of a fluorescent molecule 4-methoxy-N-[2-(1-pyrrolidine)ethyl]-1,8-naphthalimide (MNN) with iron oxide γ-Fe2O3 (maghemite) nanoparticles (IONPs) in water is demonstrated through fluorescence, Nuclear Magnetic Resonance (1H NMR) and ...
Daniel Arranz, Esperanza Martín, Patricia de la Presa, Rosa Weigand   +3 more
doaj   +1 more source