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Dark current News
Sensors Capture Image Data from Near and Far
Oct 25, 2021 — Imaging sensors reveal key details during the exploration of many areas of science, from untangling events at the quantum level and the fundamental processes of the cell to building our understanding of the wider cosmos. Imaging sensor technologies used in these applications can be grouped into two main types: charge-coupled devices, or CCDs — including electron multiplying CCDs — and complementary metal oxide semiconductors, or CMOSs.
Low-Light Cameras, IR Detectors Reveal Secrets of Space
Jul 26, 2019 — Night sky surveying requires that high-performance, low-light cameras be able to detect and measure the faint light signals coming from stars, comets, nebulae, and galaxies. The challenge at the camera level is that parameters must be extremely...
Charge-Injection Devices Overcome Radiation Effects
Dec 1, 2012 — An industry expert offers a primer on the advantages of charge-transfer-device imagers. In imaging devices, radiation normally affects certain key parameters – gate threshold voltage, field/channel stop threshold voltage, charge transfer...
New CMOS image sensor is useful in extreme temperatures
DUISBURG, Germany – A CMOS image sensor that can withstand temperatures ranging from —40 to 115 °C – making it perfectly suited for harsh industrial environments – has been developed by researchers at Fraunhofer Institute for Microelectronic...
Image Sensors Made for Extreme Temps
DUISBURG, Germany, Sept. 23, 2010 — Car manufacturers are increasingly equipping their vehicles with image sensors to register the presence of pedestrians or vehicles in the blind spot or to detect obstacles when parking. The sensors must be able to function in extremely high...
Image Sensors for Extreme Temperatures
DUISBURG, Germany, Sept. 21, 2010 — Image sensors used as parking aids in cars or used for quality control in production systems must be able to withstand the very high temperatures that often prevail in these environments. Now, research scientists have produced a CMOS chip that...
Dark Current in Consumer Cameras: Not What you Expect
Sep 17, 2010 — By Ralf Widenhorn, professor; Justin C. Dunlap, graduate student; and Erik Bodegom, professor and chair, Department of Physics, Portland State University Since the advent of digital cameras, astronomers have known and struggled with dark current in...
(7 results found)
May 2024
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