World's first white lasers demonstrated

Semiconductor lasers are capable of emitting over the full visible color spectrum, which is necessary to produce a white laser, researchers have demonstrated. The technological advance puts lasers one step closer to being a mainstream light source and potential replacement or alternative to light emitting diodes (LEDs). Lasers are brighter, more energy efficient, and can potentially provide more accurate and vivid colors for displays like computer screens and televisions.

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