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An optical frequency multiplier is a nonlinear optical device in which photons interacting with a nonlinear material are effectively "combined" to form new photons with greater energy, and thus higher frequency (and shorter wavelength). Two types of devices are currently common: frequency doublers, often based on lithium niobate (LN), lithium tantalate (LT), potassium titanyl phosphate (KTP) or lithium triborate (LBO), and frequency triplers typically made of potassium dihydrogen phosphate (KDP). Both are widely used in optical experiments that use lasers as a light source.
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An opticalfrequencymultiplier is a nonlinear optical device in which photons interacting with a nonlinear material are effectively "combined" to form...
possibility of optical-range control over atomic states transitions, which has a much higher frequency than that of microwaves; while opticalfrequency comb measures...
intermediate frequency and another mixer employed as a detector for demodulation of the signal. Electronics portal Frequencymultiplier Subharmonic mixer...
An optical fiber, or optical fibre, is a flexible glass or plastic fiber that can transmit light from one end to the other. Such fibers find wide usage...
to as temporal frequency for clarity and to distinguish it from spatial frequency. Ordinary frequency is related to angular frequency (symbol ω, with...
or projector specifies how different spatial frequencies are captured or transmitted. It is used by optical engineers to describe how the optics project...
A phase detector or phase comparator is a frequency mixer, analog multiplier or logic circuit that generates a signal which represents the difference in...
time source to opticalfrequencies. At each step of the chain, a frequencymultiplier would be used to produce a harmonic of the frequency of that step...
to create mixer products. A perfect multiplier only produces mixer products at the sum and difference frequencies (f1 ± f2), but more general nonlinear...
by the Optical Transfer Function which describes the spatial (angular) variation of the light signal as a function of spatial (angular) frequency. When...
when solving for the harmonic frequencies (or trap frequencies when considering optical traps for atoms), the frequencies are given as: ω r = 4 α P 0 π...
than spatial frequency. For example, in optical spectroscopy, it is often used as a unit of temporal frequency assuming a certain speed of light. Wavenumber...
In optics, the refractive index (or refraction index) of an optical medium is a dimensionless number that gives the indication of the light bending ability...
spectrum is the full range of electromagnetic radiation, organized by frequency or wavelength. The spectrum is divided into separate bands, with different...
f_{c}t\right)}\;Q(t),} or: where fc is the carrier frequency. At the receiver, a coherent demodulator multiplies the received signal separately with both a cosine...
gyro is enhanced by having a long optical fiber, coiled for compactness, in which the Sagnac effect is multiplied according to the number of turns. Airbus...
an example of a null result. ICF research turned to using an "opticalfrequencymultiplier" to convert the incoming IR light into the ultraviolet at about...
matches the optical double slit pattern. In acoustics, a beat is an interference pattern between two sounds of slightly different frequencies, perceived...
and TO frequencies is often described accurately by the Lyddane–Sachs–Teller relation. When measuring optical phonon energy experimentally, optical phonon...
be extracted from optical sources such as in quantum optics. To put it in a slightly complex way, similar to the concept of frequency and time used in...
whole L-band frequency range. In a single coaxial connection using S-Band to "frequency shift" the transmit signal away from L band, a multiplier such as 10...
single-phase clock. Many modern microcomputers use a "clock multiplier" which multiplies a lower frequency external clock to the appropriate clock rate of the...
velocity of electrons, and at frequencies measured in THz, optical transistors should be capable of extremely high frequencies. However, any electromagnetic...