Results 11 to 20 of about 82,966 (264)

To Study the Silver Concentration Effect on the Optical and Electrical Properties of the Ag/PMMA Composites [PDF]

open access: yesEngineering 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
doaj   +1 more source

Dopping Effect On Optical Constants of Polymethylmethacrylate (PMMA) [PDF]

open access: yesEngineering 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
doaj   +1 more source

On the Optical Properties of Cr2Ge2Te6 and Its Heterostructure

open access: yesCondensed Matter, 2023
Recently, there has been a growing interest in two-dimensional van der Waals (vdW) magnets owing to their unique two-dimensional magnetic phenomena and potential applications.
Hiroshi Idzuchi   +7 more
doaj   +1 more source

Determination of Optical Constants in the Mid-Infrared Spectral Range by use of the Attenuated Total Reflection Method [PDF]

open access: yesKemija u Industriji, 2010
Infrared (IR) spectroscopy is one of the most useful experimental methods in the investigation of hydrogen-bonded systems. However, application of transmission IR spectroscopy to aqueous systems is only of limited value due to the very strong water ...
Biliškov, N:
doaj  

Extensive study of magneto-optical and optical properties of Cd1−xMnxTe between 675 and 1025 nm

open access: yesAIP Advances, 2023
We determine Faraday rotations and measure the optical reflection and transmission from magneto-optical Cd1−xMnxTe crystals with various stoichiometric ratios. For wavelengths between 675 and 1025 nm, we derive Verdet constants, optical loss coefficients,
Christoph Tyborski   +4 more
doaj   +1 more source

Mid‐Infrared Optical Constants of Labradorite, a Triclinic Plagioclase Mineral

open access: yesEarth and Space Science, 2019
Plagioclase feldspar is the most abundant rock‐forming mineral in the crust of the Earth, Moon, and Mars and is also an important component in some minor bodies in the Solar System.
Cheng Ye   +3 more
doaj   +1 more source

The effect of (He–Ne) laser irradiation on the optical properties of methyl orange doped PVA films

open access: yesJournal of Radiation Research and Applied Sciences, 2014
The effect of (He–Ne) laser irradiation for different irradiant times on optical properties of (10 ml) methyl orange doped PVA films were investigated. The films were prepared by casting method.
Mahasin F. Hadi Al-kadhemy   +4 more
doaj   +1 more source

Determination of the Optical Constants of Thin-Film Coating Material Using Evolutionary Algorithm [PDF]

open access: yesEngineering and Technology Journal, 2010
Anew mathematical procedure depends on the evolutionary algorithm has been proposed to estimate the optical constants (refractive index, extinction coefficient and thickness) of unknown deposited material on a defined substrate.
Muhammed Abdul-Redha Hussain
doaj   +1 more source

Tuning the Refractive Index and Optical Band Gap of Silk Fibroin Films by Electron Irradiation

open access: yesJournal of Spectroscopy, 2015
The Bombyx mori silk fibroin (SF) films were prepared by solution casting method and effects of electron beam on the optical properties and optical constants of the films have been studied by using UV-Visible spectrophotometer.
S. Asha, Y. Sangappa, Sanjeev Ganesh
doaj   +1 more source

PHOTOINDUCED CHANGES OF OPTICAL CONSTANTS IN CHALCOGENIDE GLASS SEMICONDUCTORS

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2014
The results of an experimental research of the photoinduced optical constants change in As2Se3 films are described at different temperatures of exhibiting.
V.I. Ivanov, S.R. Simakov
doaj   +1 more source

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