BMW tests '1,000 times brighter' laser headlights
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09-06-2011, 07:39 PM
2007 tiny car
Wait I thought solid state lasers were LEDs? What is the elictrical efficency of an LED vs and Laser diode? I thought a laser diode was roughly equivelant to an LED but with coherence and intensity, versus difuse and scatered for LED?
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