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Cognex Corp. - Smart Sensor 3-24 GIF LB

System May Spot Silent Killer

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EVANSTON, Ill., Aug. 2, 2007 -- New optical technology shown to be effective in the early detection of colon cancer now appears promising for detecting pancreatic cancer, the fourth most common cause of cancer deaths in the US. Known as a silent killer, pancreatic cancer spreads rapidly and seldom is detected in its early stages, which is the primary reason it killed more than 33,000 Americans last year. The pancreas also can become dangerously inflamed if examined directly, so routine inspections for at-risk patients are not usually an option. Vadim Backman (right) of Northwestern University and Hemant Roy of...Read full article

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    Published: August 2007
    Glossary
    image
    In optics, an image is the reconstruction of light rays from a source or object when light from that source or object is passed through a system of optics and onto an image forming plane. Light rays passing through an optical system tend to either converge (real image) or diverge (virtual image) to a plane (also called the image plane) in which a visual reproduction of the object is formed. This reconstructed pictorial representation of the object is called an image.
    microscope
    An instrument consisting essentially of a tube 160 mm long, with an objective lens at the distant end and an eyepiece at the near end. The objective forms a real aerial image of the object in the focal plane of the eyepiece where it is observed by the eye. The overall magnifying power is equal to the linear magnification of the objective multiplied by the magnifying power of the eyepiece. The eyepiece can be replaced by a film to photograph the primary image, or a positive or negative relay...
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    sensor
    1. A generic term for detector. 2. A complete optical/mechanical/electronic system that contains some form of radiation detector.
    American BioOpticsbackscatteringBiophotonicscancercolonoscopyduodenumendoscopyfiber opticsfiber-opticfield effectfingerprintingimageLEBSlight-scatteringmicroscopeMicroscopynanoNews & Featurespancreaspancreatic cancerphotonicspre-canceroussensorSensors & DetectorsspectroscopyVadim Backman

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