Results 21 to 30 of about 622,419 (187)
Photonics, 2021 Optical nonlinearity involved switching draws an important consideration in nonlinear optical studies. Based on that, we explored nonlinear absorption processes in silver nanoparticles synthesized by liquid phase laser ablation technique employing a ...
Edappadikkunnummal Shiju +5 more
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Reconfigurable nonlinear losses of nanomaterial covered waveguides
Nanophotonics, 2023 Optical waveguides covered with thin films, which transmittance can be controlled by external action, are widely used in various applications from optical modulators to saturable absorbers.
Davletkhanov Ayvaz +8 more
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Enhancing the optical absorption, conductivity, and nonlinear parameters of PVOH films by Bi-doping
New Journal of Physics, 2021 New polymeric nanocomposite films of PVOH (polyvinyl alcohol) embedded with Bi-nanoparticles have been described by scanning electron microscopy and x-ray diffractometer.
H Elhosiny Ali +3 more
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Frontiers in Physics, 2022 We report herein results on the third-order non-linear optical (NLO) properties of four structurally unconstrained green fluorescence protein (GFP) chromophores, namely, 1, 2, 3, and 4.
Md Soif Ahmed +6 more
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Study of two-photon absorption and optical limiting
Bibechana, 2021 Simultaneous absorption of two photons of identical or different frequencies to excite a system that is atom or molecule from the ground state to excited state has great importance.
Bal Ram Ghimire
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Enhancement of Two-Photon Absorption in Boron-Dipyrromethene (BODIPY) Derivatives
Molecules, 2022 The linear and nonlinear optical properties of two BODIPY derivatives, 1,7-Diphenyl-3,5-bis(9,9-dimethyl-9H-fluoren-2-yl)-boron-diuoride-azadipyrromethene (ZL-61) and 1,7-Diphenyl-3,5-bis(4-(1,2,2-triphenylvinyl)phenyl)-boron-diuoride-azadipyrromethene ...
Guanzheng Song +7 more
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Axioms, 2022 In this work, we studied nonlinear dynamics and optical limiting (OL) effects of pulse trains in zinc porphyrins meso-tetrakis methylpyridiniumyl (Zn2+TMPyP) and meso-tetrakis sulfonatophenyl (Zn2+TPPS) and porphyrin J-aggregates.
Quan Miao, Erping Sun, Yan Xu
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Optical Limiting in Single-walled Carbon Nanotube Suspensions [PDF]
, 2000 Optical limiting behaviour of suspensions of single-walled carbon nanotubes in water, ethanol and ethylene glycol is reported. Experiments with 532 nm, 15 nsec duration laser pulses show that optical limiting occurs mainly due to nonlinear scattering ...
A. Govindaraj +19 more
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Ab initio Simulation of Optical Limiting: The Case of Metal-Free Phthalocyanine [PDF]
, 2014 We present a fully ab initio, non-perturbative description of the optical limiting properties of a metal-free phthalocyanine, by simulating the effects of a broadband electric field of increasing intensity.
Cocchi, Caterina +4 more
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Size-Dependent Nonlinear Optical Properties of Gd2O2S:Tb3+ Scintillators and Their Doped Gel Glasses
Molecules, 2021 With the advancement of ultra-fast and high-energy pulsed laser output, lasers have caused serious harm to precision instruments and human eyes. Therefore, the development of optical limiting materials with a fast response, low optical limiting threshold,
Long Chen +4 more
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