• Speckle, speckle pattern, or speckle noise designates the granular structure observed in coherent light, resulting from random interference. Speckle patterns...
    38 KB (4,703 words) - 08:20, 19 May 2024
  • CCD camera or CMOS sensors imaging the resulting laser speckle pattern caused by the interference of coherent light. In biomedical use, the coherent light...
    16 KB (2,316 words) - 00:57, 12 December 2023
  • Thumbnail for Wave interference
    respective paths. Prime examples of light interference are the famous double-slit experiment, laser speckle, anti-reflective coatings and interferometers...
    33 KB (4,602 words) - 14:44, 23 June 2024
  • noninvasive definition of ischemia, speckle tracking seems a valuable endeavor. The speckle pattern is a mixture of interference patterns and natural acoustic...
    16 KB (1,991 words) - 22:33, 29 July 2024
  • Speckle variance optical coherence tomography (SV-OCT) is an imaging algorithm for functional optical imaging. Optical coherence tomography is an imaging...
    13 KB (1,616 words) - 08:02, 6 May 2024
  • Thumbnail for Dynamic speckle
    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...
    8 KB (1,105 words) - 16:34, 27 December 2023
  • 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...
    28 KB (3,644 words) - 08:28, 22 August 2024
  • Thumbnail for Interferometry
    measurement, such as holographic and speckle interferometry. In coherence scanning interferometry, interference is only achieved when the path length...
    97 KB (11,140 words) - 19:52, 7 September 2024
  • Thumbnail for Electronic speckle pattern interferometry
    Electronic speckle pattern interferometry (ESPI), also known as TV holography, is a technique that uses laser light, together with video detection, recording...
    10 KB (1,259 words) - 00:13, 1 September 2024
  • Thumbnail for Diffraction
    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...
    50 KB (6,400 words) - 03:18, 9 September 2024
  • one (constructive interference) or subtract from each other to create a wave of minima which may be zero: 286  (destructive interference), depending on their...
    33 KB (4,112 words) - 05:59, 14 September 2024
  • Thumbnail for Shearography
    coherent laser light, a stochastical interference pattern is created. This interference pattern is called a speckle, and is projected on a rigid camera's...
    5 KB (541 words) - 08:53, 13 February 2023
  • Thumbnail for Holography
    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...
    66 KB (7,979 words) - 22:10, 17 September 2024
  • Thumbnail for Interferometric scattering microscopy
    challenge is the detection of tiny signals on top of large and complex, speckle-like backgrounds. iSCAT has been used to investigate nanoparticles such...
    16 KB (1,888 words) - 15:04, 3 May 2024
  • noise and speckle structure of the images appearing as the result of using a coherent source of light. The methods of holographic interference microscopy...
    15 KB (2,203 words) - 11:47, 30 January 2023
  • Thumbnail for Optical flat
    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...
    33 KB (4,907 words) - 20:43, 2 July 2024
  • Thumbnail for Dynamic light scattering
    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...
    33 KB (4,237 words) - 17:55, 23 September 2024
  • reflected echo from the myocardium shows a speckle pattern that is a mixture of small scatters and interference patterns. The pattern being random, each...
    25 KB (3,328 words) - 19:53, 18 June 2024
  • generating an interference pattern which is recorded on a physical medium. When only the second wavefront illuminates the interference pattern, it is...
    39 KB (5,886 words) - 10:30, 12 December 2023
  • fluctuations. It can be used for pulsatile blood flow imaging. Electronic speckle pattern interferometry Holography Interferometry Powell RL & Stetson KA...
    12 KB (1,567 words) - 10:02, 25 January 2024
  • Thumbnail for Structural coloration
    its principle—wave interference—explained by Thomas Young a century later. Young described iridescence as the result of interference between reflections...
    42 KB (4,594 words) - 16:12, 16 August 2024
  • Thumbnail for Jubjub bird
    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...
    11 KB (898 words) - 23:45, 21 July 2024
  • it is comparable to any long term integrating mode of imaging, such as speckle imaging, adaptive optics, and especially long exposure astronomical observation...
    9 KB (1,271 words) - 20:48, 22 August 2024
  • 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...
    7 KB (915 words) - 04:07, 1 February 2024
  • Thumbnail for Daniel K. Inouye Solar Telescope
    operation of adaptive optics and digital image reconstruction such as speckle imaging. The site on the Haleakalā volcano was selected for its clear daytime...
    16 KB (1,620 words) - 10:50, 6 August 2024
  • 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...
    54 KB (7,415 words) - 01:16, 18 May 2024
  • Bertie are former roommates now that Bertie has invited her boyfriend Speckle to live with her. Bertie, anxious about taking their relationship to the...
    45 KB (817 words) - 11:19, 13 July 2024
  • 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...
    13 KB (1,694 words) - 12:47, 22 September 2024
  • food and wine were much superior to what was available in Teddington! Speckle interferometry was discovered during that period by Antoine Labeyrie. This...
    6 KB (675 words) - 20:47, 19 June 2024