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Longer titles found: Superconducting coherence length (view)

searching for Coherence length 36 found (90 total)

Landauer formula (1,016 words) [view diff] exact match in snippet view article find links to article

or smaller than the phase coherence length of charge carriers (electrons and holes). In metals, the phase coherence length is of the order of the micrometre

Fried parameter (768 words) [view diff] exact match in snippet view article find links to article

The Fried parameter or Fried's coherence length (commonly designated as r 0 {\displaystyle r_{0}} ) is a measure of the quality of optical transmission

Universal conductance fluctuations (355 words) [view diff] exact match in snippet view article find links to article

coherence effects for electronic wavefunctions and thus the phase-coherence length l ϕ {\displaystyle \textstyle l_{\phi }} needs be larger than the momentum

Superluminescent diode (3,155 words) [view diff] exact match in snippet view article find links to article

has strong effects on the coherence properties of SLED (see section coherence length). Some SLEDs from certain manufacturers exhibit an extremely low value

Scherrer equation (3,248 words) [view diff] exact match in snippet view article find links to article

scales as σ 2 2 / a 3 {\displaystyle \sigma _{2}^{2}/a^{3}} , so the coherence length is approximately 1/FWHM for the first peak. B.D. Cullity & S.R. Stock

Yttrium barium copper oxide (2,499 words) [view diff] exact match in snippet view article find links to article

depth (λab ≈ 150 nm, λc ≈ 800 nm) and coherence length, (ξab ≈ 2 nm, ξc ≈ 0.4 nm). Although the coherence length in the a-b plane is 5 times greater than

White light scanner (1,201 words) [view diff] exact match in snippet view article find links to article

image only where the optical path lengths differ by less than half the coherence length of the light source, which is generally on the order of micrometers

Ion laser (965 words) [view diff] exact match in snippet view article find links to article

write high density PCB lithography Fiber Bragg Grating production Long coherence length models can be used for holography. Laser List of laser types IUPAC

Holographic interferometry (1,567 words) [view diff] exact match in snippet view article find links to article

December 1964, and they began with an investigation of the periodic coherence length of the HeNe laser being used. The compact laser beam was used to illuminate

Biophotonics (3,195 words) [view diff] exact match in snippet view article find links to article

the resonator, digital modulation can be very fast (up to 500 MHz). Coherence length is low (typically < 1 mm) and the typical linewidth is in the nm-range

Ruby laser (1,713 words) [view diff] exact match in snippet view article find links to article

sizes up to a meter square. Because of its high pulsed power and good coherence length, the red 694 nm laser light is preferred to the 532 nm green light

Second-harmonic generation (6,845 words) [view diff] exact match in snippet view article find links to article

process constrain it to emit only in those two directions, where the coherence length in the backwards direction is always much smaller than in the forwards

Crosstalk (1,116 words) [view diff] exact match in snippet view article find links to article

travelling a path length that matches that of the sample depth within a coherence length. In stereoscopic 3D displays, crosstalk refers to the incomplete isolation

Mach–Zehnder interferometer (2,414 words) [view diff] exact match in snippet view article find links to article

well-separated light paths is traversed only once. If the source has a low coherence length then great care must be taken to equalize the two optical paths. White

Walter Thompson Welford (1,379 words) [view diff] exact match in snippet view article find links to article

J. Microsc. 96, 105–107. (26) (74) 1973 (With R. Q. Twiss) On the coherence length of a monochromator for use with a Michelson stellar interferometer

Richard A. Webb (311 words) [view diff] exact match in snippet view article find links to article

physical length scales for the electrons in the materials, such as the coherence length or the Fermi wavelength. One particularly important result was the

Air-wedge shearing interferometer (962 words) [view diff] exact match in snippet view article find links to article

wavelength. The air-wedge interferogram from even this very short coherence length laser beam exhibits clear, high-contrast interference lines. The air-wedge

Higher order coherence (5,614 words) [view diff] exact match in snippet view article find links to article

=E_{0}^{2}e^{-|\tau |/\tau _{0}}} , where τ 0 {\displaystyle \tau _{0}} is the coherence length of the beam. Correspondingly, g ( 1 ) = e − i ω 0 τ − | τ | / τ 0 {\displaystyle

Nandini Trivedi (432 words) [view diff] exact match in snippet view article find links to article

Richard T. (1992). "Pairing and spin gap in the normal state of short coherence length superconductors". Physical Review Letters. 69 (13): 2001–2004. Bibcode:1992PhRvL

Joanne Etheridge (1,002 words) [view diff] exact match in snippet view article find links to article

Etheridge (March 1996). "Structural perturbations at intervals of the coherence length in YBa2Cu3O7−δ(δ < 0.1)". Philosophical Magazine A: Physics of Condensed

Distributed acoustic sensing (1,764 words) [view diff] exact match in snippet view article find links to article

fiber optic cables. On the contrary, in Φ-OTDR-based sensors, the coherence length of lasers is longer than their pulse length. An event near the fiber

Laser linewidth (5,029 words) [view diff] exact match in snippet view article find links to article

coherence time τ c c o h {\displaystyle \tau _{\rm {c}}^{\rm {coh}}} and coherence length ℓ c c o h {\displaystyle \ell _{\rm {c}}^{\rm {coh}}} of light emitted

OCT Biomicroscopy (1,311 words) [view diff] exact match in snippet view article find links to article

biomicroscopy possible by combining high speed acquisition with long coherence length and consistently high image quality across the depth of the eye. It

Laser ultrasonics (2,644 words) [view diff] exact match in snippet view article find links to article

detectors) require high frequency stability and this usually implies long coherence length. Common detection techniques include: interferometry (homodyne or heterodyne

Physics of optical holography (5,886 words) [view diff] exact match in snippet view article find links to article

laser producing a sine wave whose frequency drifts over time; the coherence length can then be considered to be the distance over which it maintains a

Interferometric scattering microscopy (1,888 words) [view diff] exact match in snippet view article find links to article

reference light) are coherent. Interestingly, a light source with a large coherence length on the order of meters or more (like in modern narrow-band laser systems)

Ballistic conduction in single-walled carbon nanotubes (1,632 words) [view diff] exact match in snippet view article find links to article

transmission regime. When the size of the CNT device scales with the electron coherence length, important in the ballistic conduction regime in CNTs becomes the interference

Low-energy electron diffraction (4,824 words) [view diff] exact match in snippet view article find links to article

However, since the average domain size is generally larger than the coherence length of the probing electrons, interference between electrons scattered

Graphene (27,954 words) [view diff] exact match in snippet view article find links to article

spin current have been demonstrated up to room temperature, with spin coherence length exceeding 1 micrometer observed at this temperature. Control of spin

Second-harmonic imaging microscopy (5,024 words) [view diff] exact match in snippet view article find links to article

backward direction depending on the phase-matching condition. Indeed, the coherence length beyond which the conversion of the signal decreases is: l c = 2 / Δ

Guy Deutscher (physicist) (686 words) [view diff] exact match in snippet view article

inherent disorder in these materials. Deutscher's insight into the short coherence length of cuprates led to the first accepted explanation for the low critical

Gross–Pitaevskii equation (4,516 words) [view diff] exact match in snippet view article find links to article

\xi =\hbar /{\sqrt {2mn_{0}g}}=1/{\sqrt {8\pi a_{s}n_{0}}}} is the coherence length (a.k.a. the healing length, see below). This solution represents the

Phase-contrast X-ray imaging (13,663 words) [view diff] exact match in snippet view article find links to article

shaped by slits of a few tens of micrometers such that the transverse coherence length is greater than the grating period. The interferometer consists of

Electronic properties of graphene (5,081 words) [view diff] exact match in snippet view article find links to article

injection and detection has been demonstrated up to room temperature. Spin coherence length above 1 micrometre at room temperature was observed, and control of

Light-front quantization applications (9,006 words) [view diff] exact match in snippet view article find links to article

order E l a b / Q 2 {\displaystyle E_{\rm {lab}}/Q^{2}} , the Ioffe coherence length. Thus, if we study hard quasi elastic processes in a nuclear target

Diffuse correlation spectrometry (1,588 words) [view diff] exact match in snippet view article find links to article

probing the tissue with multimode optical fibers that deliver a long coherence length laser light to the tissue. The second step of data acquisition is collecting