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Second harmonic

Highly-efficient longitudinal second-harmonic generation from doubly-resonant AlGaAs nanoantennas

Highly-efficient longitudinal second-harmonic generation from doubly-resonant AlGaAs nanoantennas

... the harmonic wavelength, the efficient second-harmonic radiation is generated predominantly along the vertical directions under the normally incident plane-wave ...

9

Second harmonic generation in sodium vapour induced by a magnetic field

Second harmonic generation in sodium vapour induced by a magnetic field

... l i n e p r o f i l e s were in good agreement with experiment, and successfull y p redicted the squared dependence of the second harmonic (SH) power on magnetic f i e l d strength at f i e l d s less than ...

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Second Harmonic 110 GHz ECH-assisted Start-up in KSTAR

Second Harmonic 110 GHz ECH-assisted Start-up in KSTAR

... shown that ECH can reduce the minimum toroidal electric field to breakdown the plasma as ECH assist can provide an additional margin in the operation range of pressure and magnetic stray field. KSTAR also had ...

6

Magnetic second harmonic generation from interfaces and nanostructures

Magnetic second harmonic generation from interfaces and nanostructures

... optical second-harmonic generation (SHG), use symmetry to discriminate between the interfacial contribution and the normally dominant bulk response, allowing the interfacial structure of centrosymmetric ...

26

Detection of the second harmonic of decay less kink oscillations in the solar corona

Detection of the second harmonic of decay less kink oscillations in the solar corona

... a harmonic was spa- tially resolved and anti-phase behaviour between the legs either side of the apex was observed, which is the ex- pected behaviour for an even harmonic, standing ...ond harmonic, ...

8

Resonant subharmonic absorption and second harmonic generation by a fluctuating nonlinear oscillator

Resonant subharmonic absorption and second harmonic generation by a fluctuating nonlinear oscillator

... The effect of fluctuations on the nonlinear response of an underdamped oscillator to an external periodic field at a subharmonic frequency has been investigated theoretically, numerically, and with an analog elec- tronic ...

12

Relativistic plasma surfaces as an efficient second harmonic generator

Relativistic plasma surfaces as an efficient second harmonic generator

... generating second harmonic emission in the specular direction with conversion efficiencies predicted to be in excess of 40% ...for second harmonic generation (SHG) for laser applications is ...

10

Measurement of the d(36) coefficient of mercury cadmium telluride by reflection second harmonic generation

Measurement of the d(36) coefficient of mercury cadmium telluride by reflection second harmonic generation

... reflected second harmonic, the assumption that the quantity K can be canceled between the equations for the reflected and transmitted intensities to pro- duce ...free second harmonic refracted ...

6

A new mode of contrast in biological second harmonic generation microscopy

A new mode of contrast in biological second harmonic generation microscopy

... Ethical approval. Human tissue samples were obtained with informed consent and appropriate ethical approval (Human Tissue Bank licence no. 12179), anonymised and used in accordance with this licence. Second ...

10

Reflection second harmonic generation on a z cut congruent lithium niobate crystal

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

Second Harmonic Generation in Some Donor Acceptor Substituted Chalcone Derivatives

Second Harmonic Generation in Some Donor Acceptor Substituted Chalcone Derivatives

... excellent second harmonic generation con- version efficiency, and good optical limiting behavior with nanosecond laser pulse at 532 nm wavelength ...

10

The quantum mechanics of electro-optic feedback, second harmonic generation, and their interaction

The quantum mechanics of electro-optic feedback, second harmonic generation, and their interaction

... After the mode cleaner enhanced squeezing experiments had been performed and a new experimental arrangement gave access to the reflected fundamental as discussed in section 6.5.4, correlation experiments were performed ...

196

Photoinduced Second Harmonic Generation for the In2O3 Nanoparticles Embedded into the PMMA Polymers

Photoinduced Second Harmonic Generation for the In2O3 Nanoparticles Embedded into the PMMA Polymers

... nanoparticles so obtained were characterized by powder X-ray powder diffraction (XRD), high resolution transmission electron microscopy, FTIR and Raman spectroscopy and were found to be highly crystalline with cubic ...

8

Synthesis and Functionalization of Second Harmonic Generation Nanocrystals and Their Application in Biological Imaging

Synthesis and Functionalization of Second Harmonic Generation Nanocrystals and Their Application in Biological Imaging

... of second harmonic genera- tion (SHG), which addresses some of the limitations inherent to uorescent ...materials. Second harmonic generation is a nonlinear process that relies on light ...

115

Growth and Characterization of Guanidinium Trifluoroacetate – Second Harmonic Generation from a Centrosymmetric Crystal

Growth and Characterization of Guanidinium Trifluoroacetate – Second Harmonic Generation from a Centrosymmetric Crystal

... generation have been studied over the past three decades due to their commercial importance in the fields of optical communication, signal processing, sensing and instrumentation [1, 2]. Different types of molecular and ...

11

Enhancement of second harmonic generation in DPSS laser

Enhancement of second harmonic generation in DPSS laser

... The second harmonic beam later was enhanced using two types of polarizer which is quarter wave plate and half wave ...of second harmonic generation was done using half wave ...

10

Genetic algorithm applied to the optimization of quantum cascade lasers with second harmonic generation

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 to ...

7

Second harmonic scattering from silver nanocubes

Second harmonic scattering from silver nanocubes

... into account. A surface scaling of the first hyperpolarizability could have also been used because silver metal is a centrosymmetric medium at the atomic level. However, because retardation plays a non-negligible role ...

28

On the design of enhancement cavities for second harmonic generation

On the design of enhancement cavities for second harmonic generation

... In this paper, we describe the design of en- hancement cavities that match an arbitrarily el- liptical beam such as that emitted by a laser diode, via an o€-axis spherical mirror, to the optimal beam for second ...

12

Second-harmonic generation and the influence of flexoelectricity in the nematic phases of bent-core oxadiazoles

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] ...

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