reflection second-harmonic generation
Reflection second harmonic generation on a z cut congruent lithium niobate crystal
... Reflection second harmonic generation experiments were performed on z-cut congruent lithium niobate crystals ( LiNbO ) to reveal the interfacial layer symmetry as the crystal is 3 rotated ...
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Measurement of the d(36) coefficient of mercury cadmium telluride by reflection second harmonic generation
... polarization configurations are shown in Figs. 3 共 a 兲 and 3 共 b 兲 , respectively. Details of the generation of such rotational pat- terns for MCT including descriptions of the sample and its surface preparation ...
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Probing ice-nucleation processes on the molecular level using second harmonic generation spectroscopy
... Abstract. We present and characterize a novel setup to ap- ply second harmonic generation (SHG) spectroscopy in total internal reflection geometry (TIR) to heterogeneous freezing research. It ...
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Considerably Enhanced Second-Harmonic Generation in Resonant U-Shaped Nano-Structures
... Afterward, the mentioned structure is considered to be embedded in a nonlinear dielectric. To show the enhancement of the nonlinear response of this structure quantitatively, the effective nonlinear susceptibility must ...
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Ferroelectric domain states of a tetragonal BiFeO3 thin film investigated by second harmonic generation microscopy
... and second harmonic light is detected in reflection ...and second harmonic light are set to be parallel (XX) or orthogonal (XY) as shown in ...
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Second Harmonic Generation in Some Donor Acceptor Substituted Chalcone Derivatives
... UV-Vis spectroscopy is the measurement of the attenua- tion of the light beam after it passes through a sample or after reflection from a sample surface. The UV-Vis spec- trum gives information about the useful ...
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Second harmonic generation from phase-engineered metasurfaces of nanoprisms
... Figure 3. (a) Scattering spectrum of Au nanoprisms on glass for two polarisations in back-scattering geometry. The sizes of the nanoprism were: L = 150 nm base of the equilateral triangle, 30 nm thickness, ...
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Second harmonic generation in novel optical waveguides
... ................................................................................ Second Harmonic Generation SIM ...Internal Reflection TM ...
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Optical characterisation of plasmonic nanostructures on planar substrates using second harmonic generation
... were performed within hours of exposure to ambient in order to reduce the effects of tarnishing of the NP layer on the SH response. The SHG measurements were made in reflection using a femtosecond laser tuned to a ...
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Second harmonic generation analysis of early Achilles tendinosis in response to in vivo mechanical loading
... Upon entering the Leica microscope system, the laser beam was directed to the scanning mirrors, then through a 670 nm long pass dichroic mirror (RSP 670, Leica) and subsequently focused on the specimens through the ...
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Simultaneous stimulated Raman scattering and second harmonic generation in periodically poled lithium niobate
... In conclusion, we have demonstrated simultaneous SHG and noncollinear SRS in PPLN. This system was based on SSFS in PCF providing the pump wavelengths necessary for the concurrent SHG and SRS. A simple single-pass ...
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General analysis of type I second harmonic generation with elliptical Gaussian beams
... Type I phase matching exploits the birefringence of the nonlinear crystal, which is oriented such that the refrac- tive index for one polarization at the fundamental wave- length matches that at the harmonic in ...
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Growth and Characterization of Guanidinium Trifluoroacetate – Second Harmonic Generation from a Centrosymmetric Crystal
... generation (SHG) efficiency has been observed in this crystal though it crystallizes in centrosymmetric space group. Bulk single crystal of GTFA with a size of 22 x 7 x 2mm 3 is successfully grown by submerged ...
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Application of the anisotropic bond model to second-harmonic generation from amorphous media
... provides limited new information about the material. For a Gaussian driving beam, we obtain analytic expressions that give the phase, amplitude, and spatial distribution of the SHG radiation field for each of the ...
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Genetic algorithm applied to the optimization of quantum cascade lasers with second harmonic generation
... of second harmonic generation contains another energy triplet in the active region, in which at least one energy level has to be populated with free elec- trons in order for the structure to be able ...
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Second-harmonic generation and the influence of flexoelectricity in the nematic phases of bent-core oxadiazoles
... macroscopic, second- order non-linear susceptibility, χ (2) equal to ...the second-order non-linear susceptibility is ...the generation of SH ...
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Cyclotron resonance of the magnetic ratchet effect and second harmonic generation in bilayer graphene
... and second harmonic for a magnetic ratchet in an arbitrary two-dimensional electron system with z → − z asymmetry and an isotropic dispersion (p), including cyclotron motion, ...
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Enhancement of THz generation by feedback optimized wavefront manipulation
... the generation of THz ...the second harmonic fields, and it yields a significant enhancement in the THz ...the generation mechanisms are ...THz generation mechanisms separately by the ...
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Highly-efficient longitudinal second-harmonic generation from doubly-resonant AlGaAs nanoantennas
... the harmonic radiation pattern can be ...third-harmonic generation, showing huge nonlinear enhancement when exciting the nanostructure in the vicinity of Mie resonances, particularly, magnetic dipole ...
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Simplified bond-hyperpolarizability model of second harmonic generation: Application to Si-dielectric interfaces
... symmetry, second-harmonic generation 共 SHG 兲 is forbidden in the bulk and also in amorphous materials such as SiO 2 overlayers where the bonds are oriented in essentially random direc- ...
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