Saturation effects in nonlinear absorption, refraction, and frequency conversion: A review

AS Rao - Optik, 2022 - Elsevier
Over the past few decades, there has been extensive research work carried out in the area
of nonlinear optics and opened a myriad of applications in material science and …

Preparation, DFT and optical nonlinear studies of a novel azo-(β)-diketone dye

QMA Hassan, NA Raheem, CA Emshary… - Optics & laser …, 2022 - Elsevier
New azo compound containing an antipyrine moiety is prepared via interaction of 4-
aminoantipyrine with benzoylacetone. The coupling reaction of diazonium salt with …

Spectroscopic study, theoretical calculations, and optical nonlinear properties of amino acid (glycine)-4-nitro benzaldeyhyde-derived Schiff base

AM Jassem, QMA Hassan, FA Almashal, HA Sultan… - Optical Materials, 2021 - Elsevier
Schiff base of amino acid salt: potassium 2-((4-nitrobenzylidene) amino) acetate 4 (C 9 H 7
KN 2 O 4), derived from the condensation reaction of amino acid (glycine) 1 and 4-nitro …

Synthesis, structural characterization and optical nonlinear properties of two azo-β-diketones

AM Dhumad, QMA Hassan, T Fahad… - Journal of Molecular …, 2021 - Elsevier
Synthesis, structural characterization and Density Functional Theory (DFT) studies of two
azo-β-diketones,(3-((4-bromophenyl) diazenyl) pentane-2, 4‑dione and 2-((4-bromophenyl) …

Benzenesulfonamide-thiazole system bearing an azide group: Synthesis and evaluation of its optical nonlinear responses

HH Al-Hujaj, QMA Hassan, FA Almashal, HA Sultan… - Optik, 2022 - Elsevier
Objective The current study aims to find a material that has high nonlinear optical properties
to be used in photonic applications. Methods The synthesis and characterization of …

Synthesis, characterization and the nonlinear optical properties of newly synthesized 4-((1, 3-dioxo-1-phenylbutan-2-yl) diazenyl) benzenesulfonamide

HA Sultan, AM Dhumad, QMA Hassan, T Fahad… - … Acta Part A: Molecular …, 2021 - Elsevier
The dye of azo compound is prepared by coupling reaction of dizonium salt of sulfanilamide
with benzoylacetone. The product is characterized by FTIR spectroscopy, Mass …

Concentration effect on optical properties and optical limiting of PVA doped with nigrosin films

SK Khalaf, QMA Hassan, CA Emshary… - Journal of Photochemistry …, 2022 - Elsevier
Polyvinyl alcohol doped nigrosin films are fabricated on glass substrates with four
concentrations. The surface images and optical transmission and absorption spectra of the …

Spectroscopic and thermal nonlinearity study of a Schiff base compound

FA Almashal, MQ Mohammed, QMA Hassan… - Optical Materials, 2020 - Elsevier
Abstract Schiff base compound 2, 4 hydroxy-4-carboxy benzylidene aniline (C 14 H 11 NO
4) was successfully synthesized by condensation reaction of 4-amino benzoic acid and 2, 4 …

The optical nonlinear properties of a new synthesized azo-nitrone compound

DZ Mutlaq, QMA Hassan, HA Sultan, CA Emshary - Optical Materials, 2021 - Elsevier
In this article the preparation of compound heterogeneous azo-nitrone is introduced. Novel
compound resulted via the reaction between azoaldehyde and N-phenylhydroxylamine …

Solvents effect on the optical nonlinear properties of the sudan iv

KA Al-Timimy, QMA Hassan, HA Sultan, CA Emshary - Optik, 2020 - Elsevier
The optical nonlinear properties of three sudan iv solutions in DMSO, DMF and chloroform
solvents are studied under irradiation with low power laser beam work at 473 nm. The …