osa third order nonlinear optical susceptibility of
Exploring the optoelectronic and third-order nonlinear
Jun 21 2020 · Exploring the optoelectronic and third-order nonlinear optical susceptibility of cross-shaped molecules insights from molecule to material level January 2021 Journal of
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Third-order nonlinear optical response of Yb YAG ceramics
Dec 01 2019 · Here we investigated the third-order nonlinear susceptibility of high quality transparent Ytterbium-doped Yttrium Aluminium Garnet (Yb YAG) ceramics. Under an ultrafast femtosecond laser irradiation we experimentally demonstrated the nonlinear optical limiting and self-focusing behaviors of Yb YAG ceramic by Z-scan method at 800 nm.
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Third-Order Nonlinear Optical Properties of Colloidal Gold
We have evaluated the third-order nonlinear optical properties of gold nanorods in water solution in a broad range of wavelengths including both the longitudinal and transverse surface plasmon resonance (SPR) bands. On the basis of the analysis of Z-scan measurements performed with femtosecond laser pulses we conclude that the optical nonlinearity in the longitudinal-SPR absorption range
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OSA Third-order nonlinear optical susceptibility of
Nonlinear all-optical technology is an ultimate route for the next-generation ultrafast signal processing of optical communication systems. New nonlinear functionalities need to be implemented in photonics and complex oxides are considered as promising candidates due to their wide panel of attributes. In this context yttria-stabilized zirconia (YSZ) stands out thanks to its ability to be
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Exploring the optoelectronic and third-order nonlinear
Jan 05 2021 · In the present investigation we use a dual computational approach (at single molecular and solid-state levels) to explore the optoelectronic and nonlinear optical (NLO) properties of cross-shaped derivatives. The solid-state electronic band structures of the compounds 1–3 (the derivatives of tetracarboxylic acid in cross-shaped having the core of benzene (1) pyrazinoquinoxaline (2) and
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Third order nonlinear optical susceptibility of Cu Al2O3
the third order nonlinear optical susceptibility at the SPR are greatly enhanced the latter achieving values as high as 1.831027 esu. These results are discussed in terms of multipolar interactions among particles and giant local resonance effects that appear as a consequence of the particle
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Third-order nonlinear optical susceptibility of polymers
The third-order nonlinear optical susceptibility (χ <3> ) of poly(N-vinylcarbazole) (PVK) and two other modified polymers based on carbazole derivatives has been measured by degenerate four-wave mixing at 532 nm in a tetrahydrofuran solution. The polymer exhibits large third-order nonlinear optical susceptibility (χ <3>) values.
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Tailoring the Third-Order Nonlinear Optical Property of a
In this Letter we present a theoretical study on the third-order nonlinear optical absorption of a hybrid colloidal semiconductor quantum dot (SQD)–metal nanoparticle (MNP) system. We develop a novel analytic treatment based on the nonlinear density matrix equation and derive a closed-form expression for the optical susceptibility.
Get PriceThird order nonlinear optical susceptibility of Cu Al2O3
The third order optical susceptibility of metal-dielectric nanocomposite films (Cu Al 2 O 3) has been determined by degenerate four wave mixing. The films have been synthesized by alternate pulsed laser deposition and consisted of Cu nanoparticles in an amorphous Al 2 O 3 matrix. They have metal volume fractions p ranging from 0.07 to 0.45 and morphologies that range from spherical
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Third order nonlinear optical property of Bi2Se3
Optical materials with a remarkably large third-order nonlinear susceptibility χ(3) or a large nonlinear refractive index n 2 are highly in demand for all-optical signal processing applications e.g. in ultra-short optical pulse shaper optical switcher wavelength converter
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Investigation of third-order nonlinear optical
The third-order nonlinear optical susceptibility in polymer complexes of diarylidenealkanones has been investigated by the third harmonic generation technique at a wavelength of 1.06 µm.The macroscopic nonlinear susceptibility χ (3) measured is compared with the calculated γ values of the second-rank molar hyperpolarizability tensor. It is demonstrated that low-molecular chromophores can
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Third-order nonlinear optical susceptibility of polymers
The third-order nonlinear optical susceptibility (χ <3> ) of poly(N-vinylcarbazole) (PVK) and two other modified polymers based on carbazole derivatives has been measured by degenerate four-wave mixing at 532 nm in a tetrahydrofuran solution. The polymer exhibits large third-order nonlinear optical susceptibility (χ <3>) values.
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The third-order nonlinear optical susceptibility of gold
For the third-order nonlinear optical susceptibility of 14.24 Â 10 À20 m 2 /V 2 a critical power for self-focusing in ZnO was calculated to be 3.8 kW with a formula described in Ref. 1
Get Price(PDF) Third Order Nonlinear Optical Susceptibility of
Third Order Nonlinear Optical Susceptibility of Crystalline Oxide Yttria-Stabilized Zirconia. Photonics Research In press. hal Third Order Nonlinear Optical Susceptibility of
Get PriceThird-order nonlinear optical susceptibility of polymers
The third-order nonlinear optical susceptibility (χ <3> ) of poly(N-vinylcarbazole) (PVK) and two other modified polymers based on carbazole derivatives has been measured by degenerate four-wave mixing at 532 nm in a tetrahydrofuran solution. The polymer exhibits large third-order nonlinear optical susceptibility (χ <3>) values.
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Investigation of third-order nonlinear optical
The third-order nonlinear optical susceptibility in polymer complexes of diarylidenealkanones has been investigated by the third harmonic generation technique at a wavelength of 1.06 µm.The macroscopic nonlinear susceptibility χ (3) measured is compared with the calculated γ values of the second-rank molar hyperpolarizability tensor. It is demonstrated that low-molecular chromophores can
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Calculation of third-order non-linear optical
Third-order non-linear optical susceptibility 91 where according to the BCM the bond charge is q D .2="h/e ("h is the homopolar part of dielectric constant " e is the electron charge unit). For the field E perpendicular to the bond
Get PriceThird order nonlinear optical susceptibility of Cu Al2O3
The third order optical susceptibility of metal-dielectric nanocomposite films (Cu Al 2 O 3) has been determined by degenerate four wave mixing. The films have been synthesized by alternate pulsed laser deposition and consisted of Cu nanoparticles in an amorphous Al 2 O 3 matrix. They have metal volume fractions p ranging from 0.07 to 0.45 and morphologies that range from spherical
Get PriceOSA Z-scan investigation to evaluate the third-order
The Z-scan study demonstrates the positive nonlinear n2 due to the self-focusing effect and the two-photon absorption for nonlinear absorption. These results imply the effect of lateral dimensions of sheets in cauliflower-like structures on nonlinear optical responses. Also the nonlinear optical susceptibility χ(3) is as high as 10−10 (esu).
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Third order nonlinear optical susceptibility of Cu Al2O3
the third order nonlinear optical susceptibility at the SPR are greatly enhanced the latter achieving values as high as 1.831027 esu. These results are discussed in terms of multipolar interactions among particles and giant local resonance effects that appear as a consequence of the particle
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Third-order nonlinear optical properties of sol-gel
Jun 01 1995 · The third-order nonlinear optical properties of sol-gel-derived V(2)O(5) Nb(2)O(5) and Ta(2)O(5) thin films have been investigated by the third-harmonic-generation method and the effect of the metal-oxygen bond length on the third-order nonlinear optical susceptibility
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Third order nonlinear optical susceptibility of Cu Al2O3
The third order optical susceptibility of metal-dielectric nanocomposite films (Cu Al 2 O 3) has been determined by degenerate four wave mixing. The films have been synthesized by alternate pulsed laser deposition and consisted of Cu nanoparticles in an amorphous Al 2 O 3 matrix. They have metal volume fractions p ranging from 0.07 to 0.45 and morphologies that range from spherical
Get Price
Third order nonlinear optical susceptibility of Cu Al2O3
The third order optical susceptibility of metal-dielectric nanocomposite films (Cu Al 2 O 3) has been determined by degenerate four wave mixing. The films have been synthesized by alternate pulsed laser deposition and consisted of Cu nanoparticles in
Get PriceThird order nonlinear optical susceptibility of films of
Feb 01 1995 · The third order nonlinear optical susceptibilities of cast films of diacetylene-containing polyamides copolyamides and polyesters were measured using degenerate four-wave mixing with picosecond pulses at 532 nm. The blue films of polyamides which contain aromatic polydiacetylene had χ(3) values of the order of 10-9–10-10 esu while the orange films of polyesters having aliphatic
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Nonlinear Optical Phenomena and Materials
where Z1 is the linear optical susceptibility and is the permittivity of free space with the value 8.85 x 10- 2 F/m in inks units. where Z is the second order nonlinear susceptibility and ) 3 is the third order nonlinear susceptibility. A number of interesting optical phenomena arise from the
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Tailoring the Third-Order Nonlinear Optical Property of a
In this Letter we present a theoretical study on the third-order nonlinear optical absorption of a hybrid colloidal semiconductor quantum dot (SQD)–metal nanoparticle (MNP) system. We develop a novel analytic treatment based on the nonlinear density matrix equation and derive a closed-form expression for the optical susceptibility.
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The third-order nonlinear optical susceptibility of gold
The third-order nonlinear optical susceptibility of gold. Boyd Robert W. Shi Zhimin. De Leon Israel. Abstract. We critically analyze reported measured values of the third-order nonlinear optical susceptibility χ of bulk gold. Reported values of this quantity span a
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Nonlinear Optical Susceptibilityan overview
Nonlinear optics involves interaction of a number ( σ >2) of optical waves in a medium with a nonlinear-optical susceptibility tensor χ σ − 1. For inelastic optical processes these waves (each with an angular frequency ω1 ω2 ωσ) obey two conservation conditions one
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Third-order nonlinear optical susceptibility of a donor in
Jan 01 2013 · The optical properties of a donor in anisotropic quantum dots with elliptical shape are investigated. Calculations are performed by using the variational method and the compact-density-matrix approach within the effective mass approximation. We have investigated the effects of the geometrical size and the degree of anisotropy on the oscillator strength and the third-order susceptibility of
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