Articles with "optical limiting" as a keyword



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Low power laser induced NLO properties and optical limiting of an anthraquinone dye using Z–scan technique

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Published in 2017 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-017-6736-6

Abstract: The nonlinear optical (NLO) properties and optical limiting of an anthraquinone (Reactive blue 4) dye is studied in the low power regime utilizing a continuous wave (CW) diode laser at 635 nm with total power of… read more here.

Keywords: nlo properties; properties optical; power; dye ... See more keywords
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Improved solubility and efficient optical limiting for methacrylate-co-porphyrins covalently functionalized single walled carbon nanotube nanohybrids

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Published in 2019 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2018.09.057

Abstract: Abstract To improve the dispersibility of single walled carbon nanotube (SWCNT) in common organic solvents and adjust its photoelectronic performance, two methacrylate-co-porphyrins covalently functionalized SWCNT nanohybrids (SWCNT-TPP 1 and SWCNT-TPP 2) were prepared by radical… read more here.

Keywords: porphyrins covalently; optical limiting; single walled; carbon nanotube ... See more keywords
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Nonlinear optical absorption and optical limiting studies of fluorinated pyridyl porphyrins in chlorobenzene: An insight into the photo-induced protonation effects

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Published in 2019 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2019.05.012

Abstract: Abstract We report the nonlinear optical absorption and optical limiting studies of 5,15-di(pyridyl)-10,20- bis(pentafluorophenyl)porphyrin and its metal complexes with Cu(II) and Zn(II) in chlorobenzene under nanosecond regime. All the samples were found to exhibit significant… read more here.

Keywords: optical absorption; optical limiting; protonation; nonlinear optical ... See more keywords
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Comparative nonlinear optics and optical limiting properties of metallophthalocyanines

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Published in 2019 at "Inorganica Chimica Acta"

DOI: 10.1016/j.ica.2018.10.061

Abstract: Abstract In this study, peripherally tetra-{2-[[4-((E)-{[4-(dimethylamino)phenyl]imino}methyl)phenyl](methyl)amino]ethoxy} substituted cobalt(II), manganese(III), copper(II) phthalocyanines 2a-2c and axially di-{2-[[4-((E)-{[4-(dimethylamino)phenyl]imino}methyl)phenyl](methyl)amino]ethoxy} substituted silicon phthalocyanine 3 were synthesized for the first time. These compounds were characterized by standard spectroscopy methods. Their nonlinear… read more here.

Keywords: optics optical; optical limiting; methyl; nonlinear optics ... See more keywords
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Optical limiting in the presence of simultaneous one and two photon absorption

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Published in 2018 at "Optik"

DOI: 10.1016/j.ijleo.2017.11.163

Abstract: Abstract Theoretically we have discussed optimization of the optical limiting character of material as a function of spectroscopic parameters. The population dynamics are discussed with rate equation method and are analytically solved under steady state… read more here.

Keywords: optical limiting; photon absorption; limiting presence; spectroscopic parameters ... See more keywords
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Nonlinear optical characterization of zinc doped tellurite glasses for optical limiting performance

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Published in 2021 at "Optik"

DOI: 10.1016/j.ijleo.2020.166193

Abstract: Abstract Zinc doped ternary boro-tellurite glasses having composition (100-x) [70 TeO2.30 B2O3].x [ZnO]; x = 4, 8, 12, 16 and 20, have been synthesized via melt quench method. X-ray diffraction pattern confirms the non-crystalline nature of as-synthesized… read more here.

Keywords: limiting performance; tellurite glasses; optical limiting; zinc doped ... See more keywords
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A study on the electrical, magnetic and optical limiting behaviour of Pure and Cd-Fe co-doped CuO NPs

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Published in 2021 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2021.160332

Abstract: Abstract Copper Oxide (CuO) Nanoparticles (NPs) in pure and doped form (cadmium (Cd) - iron (Fe)) co-doped (2 & 4 wt%)) were developed via employing simple co-precipitation method. PXRD pattern shows that there is no impurity… read more here.

Keywords: cuo nps; optical limiting; pure doped; doped cuo ... See more keywords
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A promising optical limiting material: Tunable third-order nonlinear optical properties of robust CsPbX3 (X=Cl/Br, Br) nanocrystals glasses

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Published in 2020 at "Journal of The European Ceramic Society"

DOI: 10.1016/j.jeurceramsoc.2020.04.035

Abstract: Abstract As laser technology advances, the importance of laser protection puts an urgent demand for robust and high-efficient optical limiting materials. In this work, CsPbX3 (X = Cl/Br, Br) NCs were synthesized by precisely controlling… read more here.

Keywords: optical properties; third order; optical limiting; order nonlinear ... See more keywords
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Nanosecond optical nonlinearities in low symmetry phthalocyanine nanoconjugates studied using the Z-scan technique

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Published in 2017 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2017.08.053

Abstract: Abstract In this study, the photophysical, and nonlinear optical limiting properties of low symmetry tris[(4-benzo[ d ] thiazol-2-ylphenoxy)-2-phenoxyl acetic acid phthalocyaninato] zinc (II) ( 3 ) conjugated to metallic nanoparticles have been investigated using open… read more here.

Keywords: low symmetry; optical nonlinearities; nonlinearities low; symmetry ... See more keywords
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Investigations on nonlinear optical properties of gold nanoparticles doped fluoroborate glasses for optical limiting applications

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Published in 2020 at "Journal of Non-crystalline Solids"

DOI: 10.1016/j.jnoncrysol.2020.120010

Abstract: Abstract Gold nanoparticles (NPs) exhibit strong surface plasmon resonance (SPR) in the visible spectral region. Lithium Zinc Calcium Fluoroborate glasses embedded with Au NPs were synthesized by conventional melt quench technique. The gold NPs embedded… read more here.

Keywords: gold nanoparticles; fluoroborate glasses; nonlinear optical; glasses optical ... See more keywords
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Design of smart optical sensor using polyvinyl alcohol/Fluorescein sodium salt: Laser filters and optical limiting effect

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Published in 2018 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2017.12.008

Abstract: Abstract Pure poly (vinyl alcohol) (PVA) and PVA doped Fluorescein-Sodium salt (FSS/PVA composite films) have synthesized on wide scale laser optical filters. The investigated polymeric composite films have been characterized using several methods. The XRD… read more here.

Keywords: limiting effect; composite films; laser filters; sodium salt ... See more keywords