Results 11 to 20 of about 5,539,602 (218)
Frontiers in Physics, 2021 The article presents the irradiation effects of low energy (∼0.5 keV) inert gaseous Argon ion beams on optical constants [real (n) and imaginary (k) parts of the refractive index], dielectric constants, skin depth, and optical conductivity of copper (Cu),
Krishn Pal Singh +1 more
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Opto-Electronic Advances, 2021 The aim of this study is to develop a reliable method to determine optical constants for 3D-nanonetwork Si thin films manufactured using a pulsed-laser ablation technique that can be applied to other materials synthesized by this technique. An analytical
Shreeniket Joshi, Amirkianoosh Kiani
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Study of the Optical Constants of the PMMA/PC Blends [PDF]
Engineering and Technology Journal, 2011 The aim of the present work is concerned with the study of the optical constants of the PMMA/PC blend at different concentrations. The samples are casted as films from the PMMA and PC homopolymers and blend.
Marwa. R. F, Nahida. J. H
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γ-Irradiation Effect on the Optical Constants, and the Electric Loss of PM-355 [PDF]
Engineering and Technology Journal, 2014 The optical reflection, transmission, and UV/VIS- absorption spectra had been recorded in the wavelength(200-500nm) for PM-355 before and after irradiation with γ-ray irradiation by using 60Co-dose within range of(30-160Mrad) at normal conditions.
Nahida J.H Al-Mashhada
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St. Petersburg Polytechnical University Journal: Physics and Mathematics, 2021 The aim of the work is to study bent multimode fiber with parabolic refractive index profile. For that, second-order corrections to propagation constants of longitudinally perturbed arbitrary dielectric waveguide’s modes were found using perturbation ...
Markvart Aleksandr +2 more
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Earth and Space Science, 2021 The hydrous Ca‐sulfates, gypsum and bassanite, have been detected on Mars using both visible/near‐infrared (VNIR) remote sensing measurements and in‐situ rover‐based mineralogical measurements.
Cheng Ye +2 more
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Neural network-based analysis algorithm on Mueller matrix data of spectroscopic ellipsometry for the structure evaluation of nanogratings with various optical constants. [PDF]
NanophotonicsAccurate and fast characterization of nanostructures using spectroscopic ellipsometry (SE) is required in both industrial and research fields. However, conventional methods used in SE data analysis often face challenges in balancing accuracy and speed ...
Jung J +6 more
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To Study the Silver Concentration Effect on the Optical and Electrical Properties of the Ag/PMMA Composites [PDF]
Engineering and Technology Journal, 2014 The present work was carried out to investigate the silver concentration Effect (Ag %)othe optical and the electrical properties of the polymethyl methacrylate (PMMA).
Nahida G.Hamed, Maraw Rahem
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Atmosphere, 2023 We explored spectral diversity in infrared (IR, 4–25 μm) imaginary (k) and real (n) indices of refraction (optical constants) for 26 surface soils that originated from global dust entrainment regions.
Mohammad R. Sadrian +4 more
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Dopping Effect On Optical Constants of Polymethylmethacrylate (PMMA) [PDF]
Engineering and Technology Journal, 2007 The optical constants (refractive index (n) , extinction coefficient (k) , realand imaginary parts of dielectric constant(ε1&ε2)) of polymethyl methacrylate(PMMA) doped with methylene blue (mb) and methyl red (mr) withthickness in the range (0.1-0.2) mm ...
Ahmad H, Awatif M, Zeid N
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