221.
| Blind Spot reveals Biological Agents
Spectrscopy Now - October 1, 2005
Manijeh Razeghi of Northwestern University's Center for Quantum Devices and her colleagues have demonstrated a 280 nm APD based on the semiconductor aluminum gallium nitride (AlGaN) with a photocurrent gain of more than 700. ... [read more]
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222.
| Light Sensor May Improve Battlefield Tools
Science News - October 1, 2005
Now, engineers have created a microscale ultraviolet light detector that's sturdier and consumes far less power, compared with photomultiplier tubes. Field instruments using this detector and others tuned to other wavelengths could shrink the size of bio-agent detection equipment. ... [read more]
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223.
| Room-Temperature 9.5 μm Quantum Cascade Laser Produces more than 100 mW
Photonics Spectra - October 1, 2005
As part of the Laser Photo-Acoustic Spectroscopy (LPAS) program funded by DARPA, researchers at Northwestern University have demonstrated quantum cascade lasers that produce 106 mW of CW 9.5 μm radiation at 298 K. ... [read more]
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224.
| Nothwestern Develops Biological Agent Detectors
All Headline News - September 14, 2005
Northwestern University's Center for Quantum Devices has developed solar-blind avalanche photodiodes that they hope to use as biological agent detectors. The researchers say the sensitive detectors can combine with ultraviolet LEDs already developed by Northwestern to create an inexpensive bio-agent detection system. ... [read more]
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225.
| New Biological Agent Detectors Developed
Northwestern University Press Release - September 14, 2005
Northwestern University's Center for Quantum Devices says it's developed solar-blind avalanche photodiodes that hold promise as biological agent detectors. ... [read more]
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226.
| Technology Holds Promise for Infrared Camera
Northwestern University Press Release - August 30, 2005
New technology developed at Northwestern University has the potential for broad application in the detection of terrorist activities such as missile attacks on U.S. troops. Scientist at the Center for Quantum Devices have demonstrated, for the first time, uncooled IR imaging using type-II superlattice technology. ... [read more]
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227.
| Chemical Warfare Agent Detection Systems Development Update
CompoundSemi News - August 11, 2005
Northwestern University researchers hve created a quantum cascade laser that may one day be a part of a man portable system to detect chemical warfare agents. This effort is part of a three-year program called Laser Photo-Acoustic Spectroscopy (LPAS), funded by the Defense Advanced Research Project Agency (DARPA). ... [read more]
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228.
| Laser May be Used as Defense Weapon
The Washington Times & Science Daily - August 5, 2005
Researchers at Northwestern University's Center for Quantum Devices have demonstrated a laser that hold promise as a defense weapon. They are the first to create a quantum cascade laser, or QCL, which can operate continuously at high-power and a room-temperature. ... [read more]
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229.
| Tiny Laser Mey be Weapon Against Terror
Northwestern University Press Release - August 5, 2005
In a significant breakthrough, researchers at Northwestern University's Center for Quantum Devices have demonstrated a specialized diode laser that hold promise as a weapon of defense in both civilian and military applications. ... [read more]
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230.
| InAs/GaSb Superlattice Photodiode Offers Uncooled Mid-IR Operation
Photonics Spectra - August 1, 2005
Scientist from Northwestern University have reported the development of mid-infrared photodiodes that are based on InAs/GaSb superlattices. The device which have a cutoff wavelength of 5 μm are designed to operate at room temperature or at 77K. ... [read more]
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Channel
Address: Center for Quantum Devices; 2220 Campus Drive RM 4051; Evanston, IL 60208-0893
Phone: (847) 491-7251
Email: razeghi@northwestern.edu