30 Jul '15, 4pm

The First White Laser

Scientists and engineers at Arizona State University, in Tempe, have created the first lasers that can shine light over the full spectrum of visible colors. The device’s inventors suggest the laser could find use in video displays, solid-state lighting, and a laser-based version of Wi-Fi. Although previous research has created red, blue, green and other lasers, each of these lasers usually only emitted one color of light. Creating a monolithic structure capable of emitting red, green, and blue all at once has proven difficult because it requires combining very different semiconductors. Growing such mismatched crystals right next to each other often results in fatal defects throughout each of these materials. But now scientists say they’ve overcome that problem. The heart of the new device is a sheet only nanometers thick made of a semiconducting alloy of zinc, cadmium, sul...

Full article: http://spectrum.ieee.org/tech-talk/semiconductors/devices...

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The First White Laser

spectrum.ieee.org 27 Jul '15, 6pm

Scientists and engineers at Arizona State University, in Tempe, have created the first lasers that can shine light over th...

LED Laser Teeth Whitening

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Another Look At The Asics Gel Lyte 3 “Laser Cut” Pack -

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Test-Driving an Audi With Laser Headlights

Test-Driving an Audi With Laser Headlights

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It’s hard enough to tear around a tricky racetrack in broad daylight, let alone on a pitch-black Portuguese night. But tha...

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