second-harmonic generation devices
Imaging with Second Harmonic Generation Nanoparticles
... In this section, we review the state-of-art techniques of linear and nonlinear holographic microscopy where 3D imaging can be achieved without scanning. Holography is a powerful technique that is able to record a complex ...
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On the design of enhancement cavities for second harmonic generation
... for second har- monic generation has allowed the technique of frequency doubling, originally con®ned to pulsed and large-frame lasers, to be applied eciently to low power continuous-wave laser ...the ...
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Second harmonic generation in novel optical waveguides
... hexagonal PCF with a defect air-hole was compared with the hexagonal PCF without a defect hole and it was proved that introducing a defect hole does not improve the overlap integral and results in low SH output power. In ...
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Second-harmonic generation and the influence of flexoelectricity in the nematic phases of bent-core oxadiazoles
... The experimental set-up for the measurement of SH light from LC samples is shown in Figure 2. The devices were held in a Linkam THMS600 hot stage. Temperature control was achieved by a Linkam TMS 94 controller, ...
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Second harmonic generation at the quantum-interference induced transparency in semiconductor quantum wells: The influence of permanent dipole moments
... potential devices using this effect (see, ...[3]. Second-harmonic generation in atomic hydrogen with reduced absorption, by using this scheme, has been reported ...
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The quantum mechanics of electro-optic feedback, second harmonic generation, and their interaction
... 6. The in-loop field violates the free-field commutator as no increase in quadrature phase noise is shown to complement the decrease in amplitude (intensity) noise. It is instructive to consider the predicted results of ...
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Highly-efficient longitudinal second-harmonic generation from doubly-resonant AlGaAs nanoantennas
... optoelectronic devices [2], spectroscopy [3], bioimaging and sensing ...the harmonic radiation pattern can be ...third-harmonic generation, showing huge nonlinear enhancement when exciting the ...
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Ferroelectric domain states of a tetragonal BiFeO3 thin film investigated by second harmonic generation microscopy
... as a multiferroic material, both ferroelectric and antiferro- magnetic properties at the same time; it undergoes a ferroelectric phase transition at 1103 K and antiferromag- netic phase transition at 643 K [1 – 3]. In ...
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Second Harmonic Generation in Some Donor Acceptor Substituted Chalcone Derivatives
... The realization of suitable organic NLO material for use in devices is by no means a simple task as material must have unique properties at both the microscopic and mac- roscopic level. Microscopic properties ...
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Study of the Transition to Instability in Second-Harmonic Generation with Scale Index Method
... harmonic generation (SHG) is a pivotal issue to the development of nano-optical devices and interfaces. Here, we perform a classical analysis of the SHG dynamics with the aim of determining critical ...
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Genetic algorithm applied to the optimization of quantum cascade lasers with second harmonic generation
... complex devices accord- ing to a particular purpose by simply varying the layer thick- nesses and/or the composition of the constituent ...performance devices, which have been commercialized by several ...
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Classical E&M Model for Nonlinear Optics - Applications to the Generation of Harmonic and Terahertz
... CMOS devices is the use of harmonic generation to monitor variations in doping ...expensive. Second, SIMS analysis destroys the sample in the process of obtaining the depth ...
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Application of the anisotropic bond model to second-harmonic generation from amorphous media
... analyzing second-harmonic generation 共 SHG 兲 from crystalline Si nanospheres in glass, we develop an anisotropic bond model 共 ABM 兲 that expresses SHG in terms of physically meaningful parameters and ...
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Considerably Enhanced Second-Harmonic Generation in Resonant U-Shaped Nano-Structures
... regard second harmonic generation (SHG) and third harmonic generation (THG) from the SRRs, due to the broken inversion symmetry of metal, have been investigated theoretically[17], [18] ...
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Optical characterisation of plasmonic nanostructures on planar substrates using second harmonic generation
... I p α ∝ | A cos 2 α + B sin 2 α + C sin 2 α | 2 (1) I s α ∝ | F cos 2 α + G sin 2 α + H sin 2 α | 2 (2) where α is the polarization vector angle of the linearly polarized light with respect to the plane of incidence ...
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General analysis of type I second harmonic generation with elliptical Gaussian beams
... Second-harmonic generation is most efficient when it is phase matched; that is, the material dispersion between the fundamental and the harmonic wavelengths is com- pensated such that, when ...
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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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Reflection second harmonic generation on a z cut congruent lithium niobate crystal
... layer second harmonic polarization are related to the components of the inducing fields within the medium by a second-order laboratory-defined susceptibility tensor ( χ IJK ( 2 ) ) given by ...
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Cyclotron resonance of the magnetic ratchet effect and second harmonic generation in bilayer graphene
... II. PHENOMENOLOGICAL DRUDE MODEL The expressions (1) and (5) for nonlinear current densities may be viewed as being due to the motion of classical particles in the presence of friction created by the in-plane magnetic ...
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Second harmonic generation analysis of early Achilles tendinosis in response to in vivo mechanical loading
... Second harmonic generation (SHG) resulted in high reso- lution, spectrally clean signals originating from fibrillar collagen. The collagen matrix surrounding abnormal teno- cytes demonstrated an ...
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