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photomultiplier |
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photomultiplier: see photoelectric cell photoelectric cell or photocell, device whose electrical characteristics (e.g., current, voltage, or resistance) vary when light is incident upon it. ..... Click the link for more information. . photomultiplier [¦fōd·ō′məl·tə‚plī·ər] (electronics) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Photomultiplier tubes are used in high-end drum scanners, because they are more sensitive to light than the CCD elements used in lower-cost devices. Photomultiplier tubes are used in high-end drum scanners, because they are more sensitive to light than the CCD elements used in lower-cost devices. The first step involves an operation called "profiling," which consists of manually tweaking the instrument alignment to achieve maximum light intensity on the photomultiplier tubes. |
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