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Wavelength (3594 bytes)
1: The '''wavelength''' is the distance between repeating units of a [... 3: In a [[sine]] wave, the wavelength is the distance between peaks: 5: [[Image:Wavelength.png]] 9: ...ber of peaks to pass a point in a given time. The wavelength is equal to the speed of the wave divided by the ... 15: :λ = wavelength of a [[sound wave]] or [[electromagnetic wave]] Dominant wavelength (5441 bytes) 1: ...posite, around 485 nm. Intuitively, the dominant wavelength of "x" corresponds to the primary hue of "x".]] 2: In [[color|color science]], the '''dominant wavelength''' is a way of describing non-spectral (polychrom... 4: ...side of the color space gives the [[complementary wavelength]], which when added to the color in question in t... 6: ...nt is specified, it is common to discuss dominant wavelength in terms of some standard (usually [[white]]) ill... 10: ...ing respectively to the long-wavelength and short-wavelength extremes of the visible range of [[electromagneti... Zero-dispersion wavelength (978 bytes) 1: ...[telecommunication]], the term '''zero-dispersion wavelength''' has the following meanings: 3: ...ingle-mode optical fiber]], the [[wavelength]] or wavelengths at which material [[dispersion (optics)|dispersi... 5: ...persion wavelength, and thus, the zero-dispersion wavelength, toward the [[minimum-loss window]] at approximat... 7: ...tially zero. <i>Synonym</i> <b>minimum-dispersion wavelength</b>. Cutoff wavelength (622 bytes) 1: In [[telecommunication]], the term '''cutoff wavelength''' has the following meanings: 3: <b>1.</b> The [[wavelength]] corresponding to the [[cutoff frequency]]. 5: ...In an uncabled [[single-mode optical fiber]], the wavelength greater than which a particular [[waveguide]] mod... 7: ...o 2.405. <i>Note 2</i> : The <i>cabled</i> cutoff wavelength is usually considered to be a more functional par... Compton wavelength (390 bytes) 1: The Compton wavelength <math>\lambda</math> of a particle is given by 3: ...en observed at distances shorter than its Compton wavelength. Thermal de Broglie wavelength (3084 bytes) 1: In [[physics]], the '''Thermal de Broglie wavelength''' is defined for a free 13: ...s. On the other hand, when the thermal de Broglie wavelength is on the order of, or larger than the interparti... 14: thermal wavelength will be approximately equal to the interparticle ... 19: For a massless particle, the thermal wavelength may be defined as: 24: ...s the speed of light. As with the massive thermal wavelength, this Wavelength division multiplexing (4840 bytes) 3: ...n a single [[optical fibre]] by using different [[wavelength]]s (colours) of [[laser]] [[light]] to carry diff... 5: ...ore often described by frequency). However, since wavelength and frequency are inversely proportional, and sin... 21: ...lengths per fibre, with systems with fewer active wavelengths being classed as '''coarse WDM''' ('''CWDM'''). 28: ...velengths between 1310 nm and 1610 nm. Many CWDM wavelengths below 1470nm are considered "unuseable" on older... 33: ...stems to prevent "drift" off a very narrow centre wavelength. In addition, DWDM tends to be used at a higher ... Wavelength dispersive X-ray spectroscopy (1214 bytes) 1: The '''Wavelength dispersive X-ray spectroscopy''' is a method used... Zero-dispersion slope (667 bytes) 1: ... [[wavelength]], at the fiber's [[zero-dispersion wavelength]]. 3: ...ength occurs at approximately 1.3 μm, but this wavelength may be shifted toward the [[minimum-loss window]]... Spectroheliograph (876 bytes) 1: ... to coincide with a [[optical spectrum|spectral]] wavelength of one of the [[chemical element]]s present in th... 5: ... together with a narrow slit that passes a single wavelength (a [[monochromator]]). The light is [[focus]]ed o... Molar absorptivity (1639 bytes) 1: ... the species [[absorbance|absorbs]] light at that wavelength. It is an intrinsic property of the species; the ... 3: ...ach individual species. The absorbance at a given wavelength of a mixture of species X, Y, ... is given by 7: ...ns <math>c_i</math> (''i=''1,...,''N'') and ''N'' wavelengths <math>\lambda_i</math>, absorbances <math>A_i</m... 11: ... species. An isosbestic point of two species is a wavelength where the two species have equal extinction coeff... 1 E-7 m (1472 bytes) 9: *280 nm, near [[ultraviolet]] wavelength 11: *380-430 nm, wavelength of [[violet (color)|violet]] light (see [[color]]... 12: *430-500 nm, wavelength of [[blue]] light 13: *500-520 nm, wavelength of [[cyan]] light 14: *520-565 nm, wavelength of [[green]] light Fluorescence spectrum (448 bytes) 1: ...escent radiation. It can be described in terms of wavelength, frequency, or energy per photon. 4: ...[Excitation spectrum]] - Plot of fluorescence vs. wavelength of [[incident light]]. 5: ...y)|Emission spectrum]] - Plot of fluorescence vs. wavelength of [[fluorescent light]]. Material dispersion coefficient (1143 bytes) 3: ...M</i> (λ) is positive and decreases with [[wavelength]]. 11: ...is the group index expressed as λ is the [[wavelength]] of interest Intermediate-field region (762 bytes) 3: ...t at all distances between 0.1 wavelength and 1.0 wavelength from the antenna. ''Synonyms'': '''intermediate f... Spectral width (910 bytes) 1: ...elecommunication]], '''spectral width''' is the [[wavelength]] interval over which the magnitude of all spectr... 3: ...are deviation]] where the independent variable is wavelength, λ, and ''f'' (λ) is a suitable rad... 5: ...according to note 1, and λ is the center [[wavelength]]. Wave base (649 bytes) 5: ... depth of influence of a water wave is half the [[wavelength]]. Below that depth the water remains stationary ... 7: ...er at the bottom. In the same pool, a wave with a wavelength of 1 foot would not be able to cause water moveme... Upper shoreface (882 bytes) 3: ...r at the bottom. In the same pool, a wave with a wavelength of 1 foot would not be able to cause water moveme... Verdet constant (1654 bytes) 3: ...nt for most materials is extremely small and is [[wavelength]] dependent. It is strongest in substances conta... 5: ...) will not see the same rotation across the whole wavelength band. Neutron diffraction (1447 bytes) 2: ...ctor are slowed down and selected properly, their wavelength lies near one Angstrom, the typical separation be... 4: ...nents may be needed to select the desired neutron wavelength. Some parts of the setup may also be movable.
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