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University of Illinois News
Probe Array Patterns and Images Nanoscale Features
Nov 1, 2005 — As reported in the October issue of Nano Letters, researchers at the cat Urbana-Champaign have designed and fabricated a multifunctional probe array for direct chemical pattern generation and imaging. The individually addressable, thermoelectrically...
Transistor Displays Laser Operation
Jan 1, 2005 — By incorporating quantum wells into the active region of a light-emitting transistor, scientists at the University of Illinois at Urbana-Champaign have demonstrated laser operation from an InGaP/GaAs/InGaAs heterojunction bipolar transistor. This...
Molecule-Scale Energy Transfer Studied
Nov 12, 2004 — SCRANTON, Pa., Nov. 12 -- Researchers have demonstrated an innovative research technique to complete a detailed measurement of how heat energy is created at the molecular level, which they say could have far-reaching implications for developing...
MicroStrain Joins Sensor Project
Oct 12, 2004 — WILLISTON, Vt., Oct. 12 -- MicroStrain Inc., a maker of sensors for applications including advanced automotive controls, health monitoring and inspection of machines and buildings, announced it will join a project sponsored by Caterpillar Inc. to...
University of Illinois Gets Funding for Photonics Research Center
Sep 1, 2004 — A four-year, $6.2 million grant from the Defense Advanced Research Projects Agency will be used by the University of Illinois at Urbana-Champaign to create a photonics research center to develop ultrafast light sources for high-speed signal...
Lasers Date Ancient Groundwater
May 1, 2004 — Using a laser-based isotopic analysis technique, geologists and physicists in the US, Switzerland and Egypt have determined that the water in Egypt's Nubian Aquifer is up to 1 million years old. The results reveal changes in the local climate over...
Modal Characteristics of Holey VCSELs Studied
Mar 1, 2004 — Researchers from the University of Illinois at Urbana-Champaign and Furukawa Electric Co. in Yokohama, Japan, have presented the results of their investigation into the modal characteristics of vertical-cavity surface-emitting lasers (VCSELs) with...
Waveguides Force Diode Laser into Single Mode
Mar 1, 2004 — Semiconductor lasers oscillating in a single, fundamental lateral mode produce a better-quality beam than multimode lasers, but single-mode oscillation is difficult to obtain. One approach has been to fabricate a waveguide into the semiconductor...
Soft Lamination Improves Organic LED Performance
Feb 1, 2004 — Scientists at Bell Labs in Murray Hill, N.J., and at the University of Illinois at Urbana-Champaign have demonstrated that organic LEDs assembled using the soft contact lamination process display superior performance over those fabricated using...
Transistor Emits Infrared Radiation
Feb 1, 2004 — A research team at the University of Illinois at Urbana-Champaign has developed a transistor that emits infrared radiation and offers standard electrical output. The device, which produces modulated optical emission in phase with a base current at 1...
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May 2024
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