Second-harmonic generation (SHG), also known as frequency doubling, is the lowest-order wave-wave nonlinear interaction that occurs in various systems...

Harmonic generation (HG, also called multiple harmonic generation) is a nonlinear optical process in which n {\displaystyle n} photons with the same frequency...

Surface second harmonic generation is a method for probing interfaces in atomic and molecular systems. In second harmonic generation (SHG), the light frequency...

_{1}+\hbar \omega _{2}} A special case of sum-frequency generation is second-harmonic generation, in which ω 1 = ω 2 {\displaystyle \omega _{1}=\omega _{2}}...

High-harmonic generation (HHG) is a non-linear process during which a target (gas, plasma, solid or liquid sample) is illuminated by an intense laser...

Second-harmonic imaging microscopy (SHIM) is based on a nonlinear optical effect known as second-harmonic generation (SHG). SHIM has been established as...

wavelength of the initial photons. The half-harmonic generation process is the inverse of second-harmonic generation and can occur in optical parametric oscillators...

observation of two-photon absorption at Bell Labs and the discovery of second-harmonic generation by Peter Franken et al. at University of Michigan, both shortly...

terms required to fully describe the second order polarisation response. Nonlinear optics Second-harmonic generation Crystal symmetry Dailey, Christopher...

to achieve the conversion: second-harmonic generation (SHG, also called frequency doubling), or sum-frequency generation which sums two non-similar frequencies...

autocorrelation signal is generated by the nonlinear process of second-harmonic generation (SHG). Other techniques based on two-photon absorption may also...

used in optical modulators and for non-linear optics such as second-harmonic generation (SHG). Also, to be noted is KD*P, potassium dideuterium phosphate...

frequencies. Some approaches include phase locked loops, double mix, triple mix, harmonic, double mix divide, and direct digital synthesis (DDS). The choice of approach...

The team investigated the hyper Rayleigh scattering (at the second harmonic generation frequency) from chiral nanohelices made of silver. Valev and his...

between 5 and 35 μm. The shorter periods of this range are used for second-harmonic generation, while the longer ones for optical parametric oscillation. Periodic...

transistors, solar cells, LEDs, lasers, single-photon sources, second-harmonic generation, quantum computing, cell biology research, microscopy, and medical...

transmission out to 4500 nm where the crystal is effectively opaque. Its second-harmonic generation (SHG) coefficient is about three times higher than KDP. It has...

compute the nonlinearly-generated signal amplitude in the case of second harmonic generation, where a strong pump at ω 1 {\displaystyle \omega _{1}} produces...

as the piezoelectric effect and the frequency doubling effect (second-harmonic generation). In addition, in such crystals, one-photon absorption (OPA) and...

self-organisms. It is also a nonlinear optical material with second harmonic generation efficiency 1.68 times that of KDP. L-arginine maleate dihydrate...

Kelvin probe force microscopy (KFM) and the electric-field induced second harmonic generation. In the semiconductor industry, Cross-Bridge Kelvin Resistor(CBKR)...

based on surface plasmons were developed. In surface second harmonic generation, the second harmonic signal is proportional to the square of the electric...

in 1987 by Yuen-Ron Shen and his students as an extension of second harmonic generation spectroscopy and rapidly applied to deduce the composition, orientation...

two-photon-based lithography. Using two-photon fluorescence and second-harmonic generation–based microscopy, it was shown that organic porphyrin-type molecules...

rectification also occurs on metal surfaces by similar effect as surface second harmonic generation. The effect is however influenced e. g. by nonequilibrium electron...

used as nonlinear optical materials. They are more efficient at second-harmonic generation than crystals of the same material without periodic structure...

pulsed laser source appeared green, which suggests the presence of second harmonic generation in the retina. Lynch, David K.; Livingston, William Charles (2001)...

1st harmonic; the other harmonics are known as higher harmonics. As all harmonics are periodic at the fundamental frequency, the sum of harmonics is also...

non-linear optical processes such as two-photon fluorescence or second harmonic generation. In scanning multiphoton microscopes the high intensities are...

are important in nonlinear optics and lead to effects such as second-harmonic generation (such as used to convert infrared light into visible light, in...