large second-harmonic generation
Imaging with Second Harmonic Generation Nanoparticles
... Wavefront correction allows us to form a nearly optimal focus inside a turbid sample, but a loftier goal is to image an object that is behind the scattering medium. When the turbid medium is sufficiently scattering, two ...
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Application of the anisotropic bond model to second-harmonic generation from amorphous media
... ited in depth to the coherence length in the material. Finally, there is the question of whether the enhanced SHG signals observed with dual-beam excitation provide useful informa- tion. The atomic-scale modeling done ...
10
Second Harmonic Generation in Some Donor Acceptor Substituted Chalcone Derivatives
... which large crystals of high optical quality can be grown and fabricated into desired shapes ...excellent second harmonic generation con- version efficiency, and good optical limiting behavior ...
10
The quantum mechanics of electro-optic feedback, second harmonic generation, and their interaction
... produced second harmonic to feedback onto the transmitted fundamental and vice ...produced second harmonic, and then in a second set of experiments, examining the correlation between ...
196
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, ...of large magnitude ...
11
A new mode of contrast in biological second harmonic generation microscopy
... biological second harmonic imaging microscopy (SHIM) has previously been reported via quantitative assessments of forward- to epi-generated signal intensity ratio and by polarization ...epi-generated ...
10
Second-harmonic generation and the influence of flexoelectricity in the nematic phases of bent-core oxadiazoles
... of second-harmonic gen- eration ...intense second-harmonic (SH) signal than from rod-like ...cules.[11,12] Second, they have reportedly greater flexoelectric coefficients [5,13–15] ...
19
Optical characterisation of plasmonic nanostructures on planar substrates using second harmonic generation
... very large departure from this behaviour for the y– azimuth is consistent with the removal of the yz mirror plane due to the faceting and subsequent growth of aligned NPs decorating the ...
13
Magnetic second harmonic generation from interfaces and nanostructures
... the large penetration depth of optical ...magnetic second-harmonic generation (MSHG) is a more difficult and expensive technique but, uniquely, can measure the surface and interface magnetism ...
26
Second harmonic generation in sodium vapour induced by a magnetic field
... t r a n s i t i o n s . The l i n e p r o f i l e s due to the two e f f e c t i v e dipoles were s i m i l a r at low magnetic f i e l d s (~0.02 T ) , However, in higher f i e l d s , in which Zeeman s p l i t t i n g ...
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Enhancement of second harmonic generation in DPSS laser
... Second harmonic generation is an attractive technique for the generation of light in the visible ...its second harmonic at a wavelength of 532 nm is ...its large quadratic ...
10
Second harmonic generation in novel optical waveguides
... the second harmonic mode, as shown in Figure ...the second harmonic field becomes more confined to the core of the waveguide, the overall mismatch between fundamental and second ...
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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 ...
12
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 ...
31
Enhancement of THz generation by feedback optimized wavefront manipulation
... found that air-breakdown produced by different mirror shapes generated acoustic signals with varying amplitude and frequency content. It is clear that the optimized focal spot is larger since the images from side ...
9
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 ...
7
Comparative Study between Endometrial Resection and Electrocoagulation in Patients with Abnormal Uterine Bleeding
... Objective: To compare clinical outcomes between two first-generation en- dometrial ablation techniques. Design: Prospective comparative coorte. Setting: Tertiary public hospital, university teaching center. ...
15
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 allows ...
8
Finite Element Study of the Second Order (X²) Nonlinear Process of Second Harmonic Generation in Optical Waveguides
... Fig 6.18 Numerical simulation of various assumed loss values in a non-QPM GaAs device and b QPM GaAs device Fig 6.19 The effect of increased input power on efficiency of generated power [r] ...
282
Classical E&M Model for Nonlinear Optics - Applications to the Generation of Harmonic and Terahertz
... macroscopic second order (for bulk) and third order (for surface) susceptibility tensors in the crystal frame, then rotate these tensors to the laboratory frame, and then obtain the dipole ...
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