Speckle, speckle pattern, or speckle noise designates the granular structure observed in coherent light, resulting from random interference. Speckle patterns...
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CCD camera or CMOS sensors imaging the resulting laser speckle pattern caused by the interference of coherent light. In biomedical use, the coherent light...
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respective paths. Prime examples of light interference are the famous double-slit experiment, laser speckle, anti-reflective coatings and interferometers...
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noninvasive definition of ischemia, speckle tracking seems a valuable endeavor. The speckle pattern is a mixture of interference patterns and natural acoustic...
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Speckle variance optical coherence tomography (SV-OCT) is an imaging algorithm for functional optical imaging. Optical coherence tomography is an imaging...
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responsible for the formation of the interference pattern in the static situation produce the changes that are seen in the speckle pattern, where its grains change...
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amplitude of a single speckle. However, since the standard deviation of the coherent sum of the speckles is exactly equal to the mean speckle intensity, optical...
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measurement, such as holographic and speckle interferometry. In coherence scanning interferometry, interference is only achieved when the path length...
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Electronic speckle pattern interferometry (ESPI), also known as TV holography, is a technique that uses laser light, together with video detection, recording...
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Diffraction (section Speckle patterns)
Diffraction is the interference or bending of waves around the corners of an obstacle or through an aperture into the region of geometrical shadow of the...
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one (constructive interference) or subtract from each other to create a wave of minima which may be zero: 286 (destructive interference), depending on their...
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coherent laser light, a stochastical interference pattern is created. This interference pattern is called a speckle, and is projected on a rigid camera's...
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the sum of all these 'zone plates', which combine to produce a random (speckle) pattern as in the photograph above. When the hologram is illuminated by...
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challenge is the detection of tiny signals on top of large and complex, speckle-like backgrounds. iSCAT has been used to investigate nanoparticles such...
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noise and speckle structure of the images appearing as the result of using a coherent source of light. The methods of holographic interference microscopy...
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Optical flat (section How interference fringes form)
nearly any color. However, lasers also experience a phenomenon called laser speckle, which shows up in the fringes. Several gas or metal-vapor lamps can also...
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and the resulting image is projected onto a screen. This is known as a speckle pattern (Figure 1). All of the molecules in the solution are being hit...
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Strain rate imaging (section Speckle tracking)
reflected echo from the myocardium shows a speckle pattern that is a mixture of small scatters and interference patterns. The pattern being random, each...
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generating an interference pattern which is recorded on a physical medium. When only the second wavefront illuminates the interference pattern, it is...
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fluctuations. It can be used for pulsatile blood flow imaging. Electronic speckle pattern interferometry Holography Interferometry Powell RL & Stetson KA...
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its principle—wave interference—explained by Thomas Young a century later. Young described iridescence as the result of interference between reflections...
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Wonderland as a giant black bird resembling a cross between a vulture and a speckled chicken with a red head crest, a long yellow beak and a blue tongue. It...
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shadow slit experiment Willebrord Snell Snell's law spatial filter speckle pattern speckle interferometry spectroscopy speed of light spontaneous emission...
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it is comparable to any long term integrating mode of imaging, such as speckle imaging, adaptive optics, and especially long exposure astronomical observation...
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uses a camera to detect many speckle grains (see speckle pattern) or a ground glass to create a large number of speckle realizations (Echo-DWS). In both...
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operation of adaptive optics and digital image reconstruction such as speckle imaging. The site on the Haleakalā volcano was selected for its clear daytime...
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and reference waves. This setup is used to avoid speckle noise form being generated from interference of the two waves within the scattering medium, which...
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Bertie are former roommates now that Bertie has invited her boyfriend Speckle to live with her. Bertie, anxious about taking their relationship to the...
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the density of such circles and Hawking points is large, then an interference speckle pattern in the CMB might arise instead. They also note that the statistical...
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food and wine were much superior to what was available in Teddington! Speckle interferometry was discovered during that period by Antoine Labeyrie. This...
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