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21Uncertainty principle — In quantum physics, the Heisenberg uncertainty principle states that locating a particle in a small region of space makes the momentum of the particle uncertain; and conversely, that measuring the momentum of a particle precisely makes the… …
22Dye laser — Close up of a table top dye laser based on Rhodamine 6G, emitting at 580 nm (yellow orange). The emitted laser beam is visible as faint yellow lines. The orange dye solution enters the laser from the left, and is pumped by a 514 nm (blue green)… …
23Homogeneous broadening — If an optical emitter (e.g. an atom) shows homogeneous broadening, its linewidth is its natural linewidth (see spectral linewidth). In contrast, an inhomogeneously broadened emitter has a broader linewidth than the natural. Broadening in laser… …
24Motional narrowing — In physics and chemistry, motional narrowing is a phenomenon where a certain resonant frequency has a smaller linewidth than might be expected, due to motion in an inhomogeneous system.[1] Example: NMR spectroscopy A common example is NMR.[1] In… …
25Multiple-prism dispersion theory — The first description of multiple prism arrays, and multiple prism dispersion, was given by Newton in his book Opticks.[1] Prism pair expanders were introduced by Brewster in 1813.[2] A modern mathematical description of the single prism… …
26Resonance — This article is about resonance in physics. For other uses, see Resonance (disambiguation). Resonant redirects here. For the phonological term, see Sonorant. Increase of amplitude as damping decreases and frequency approaches resonant frequency… …
27Dynamic nuclear polarisation — Dynamic nuclear polarization (DNP)[1] [2] results from transferring spin polarization from electrons to nuclei, thereby aligning the nuclear spins to the extent that electron spins are aligned. Note that the alignment of electron spins at a given …
28PSTricks — is a set of macros that allow the inclusion of PostScript drawings directly inside TeX or LaTeX code.It is originally the work of Professor Timothy Van Zandt and in recent years it has been maintained by Denis Girou, Sebastian Rahtz and Herbert… …
29Word wrap — or line wrap is the feature, supported by most text editors, word processors, and web browsers, of automatically replacing some of the blank spaces between words by line breaks, such that each line fits in the viewable window, allowing text to be …
30Optical parametric oscillator — Infrared optical parametric oscillator An optical parametric oscillator (OPO) is a parametric oscillator which oscillates at optical frequencies. It converts an input laser wave (called pump ) into two output waves of lower frequency (ωs,ωi) by… …
