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imaging devices News
2-D semiconductors demonstrate universal light absorption law
BERKELEY, Calif. – A simple law of light absorption observed in 2-D semiconductors could make exotic new optoelectronic and photonic technologies a reality. Many of today’s semiconductor technologies hinge upon the absorption of light. It’s especially critical for nanosized structures at the interface between two energy barriers called quantum wells, in which the movement of charge carriers is confined to two dimensions. Previous work has shown that graphene has a universal value of light absorpt...
Universal Light Absorption Law Discovered in 2-D Semiconductors
BERKELEY, Calif., Aug. 1, 2013 — A simple law of light absorption observed in 2-D semiconductors could make exotic new optoelectronic and photonic technologies a reality.
Inspection in the Fast Lane
Oct 1, 2008 — In a security-conscious age, there is a world of information to keep tabs on. Walk into an airport or a federal building, and you are screened for forbidden objects. If you run a small retail shop and are busy in the back room, knowing when a...
3-D Images Available in the Field
JENA, Germany -- Three-dimensional images are incredibly useful for calculating and recording the measurements of objects quickly and efficiently. However, conventional imaging devices weigh around 4 to 5 kg and measure roughly 50 cm long, which makes them...
Canada Boosts McMaster Microlab Device Research
HAMILTON, Ontario, Dec. 13, 2006 -- Like miniature labs, the microtechnology and nanotechnology-based biosensors and imaging devices will be swallowed like a pill, injected through a catheter or woven into fabric to screen for, detect and potentially treat cancer and other diseases...
NIST Launches Test Protocol Facility
Jul 1, 2006 — A facility has been established by the National Institute of Standards and Technology (NIST) in response to the lack of standard tests to verify manufacturers’ performance specifications of three-dimensional imaging devices. Besides an...
CMOS Technology Brings New Opportunities for Consumer Imaging
Dec 1, 2005 — Although CCD sensors had been the technology of choice for imaging devices for years, CMOS-based sensors have emerged as a viable alternative. CMOS sensors offer a number of intrinsic advantages relative to CCDs, including low power consumption and...
(7 results found)
April 2024
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