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Virtual Dictionary
Optical Coherence Tomography Optical coherence tomography or OCT, is a medical imaging method created by Massachusetts General Hospital researchers in 1990, for deep tissue examination. Using a laser tip that is continually rotating, OCT is able to delve deep into body tissues with focussed light, and image what it finds by measuring the wavelengths returned from organic material. It is somewhat slow, and is best used on non-living material, due to the high noise ratio produced by light waves bouncing off of rapidly moving blood cells in the layer being imaged, and in those above. Below, we offer a selection of links from our resource databases which may match this term.
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Results by page [1] ![]() ![]() An automated calibration method, designed for optical microscopes, may find a home in head mounted display units and heads-up augmented reality systems. ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Virtual sight devices, sometimes termed virtual light, are a class of display system which is a mix of AR, prosthetics, and VR. They have no actual display units as such, and completely bypass the human eye. Instead, they tap into the optical nerve directly, and deliver processed information to the neurons heading into the brain. ![]() ![]()
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News containing the Term Optical Coherence Tomography:
Results by page [1] (26/11/2008)
Researchers at Massachusetts General Hospital have developed a new diagnostic imaging method, called optical frequency-domain imaging (OFDI). OFDI is designed to supplement OCT, or optical coherence tomography, another display method being ...
(08/05/2007)
A new process of 3D eye scanning will detail the eye in one tenth of the time it takes standard scanning procedures, holding the potential to drastically reduce costs, and waiting times, opening up eye scans to a far higher number of patien...
(19/06/2013)
Using clouds of ultra-cold atoms and a pair of lasers operating at optical wavelengths, researchers have reached a quantum network milestone: entangling light with an optical atomic coherence composed of interacting atoms in two different s...
(03/07/2010)
Researchers at the University of Texas at Austin have miniaturized a children's toy into a tiny motor that could one day power medical devices or harvest solar energy. The device, called a radiometer, is based on a classical light-powered,...
(18/01/2005)
An optical memory chip that senses, stores and then displays the light it has received has sent a buzz around the imaging spheres. "We've never seen anything like this before," says Trevor Whittley, an expert in optical de...
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