New lasers

Brightly Colored Bird Feathers Inspire New Kind of Laser “Cao?s team drilled holes in a 190-nanometer-thin sheet of gallium arsenide, a special sort of semiconductor that transmits light efficiently and is commonly used in optics. The holes were spaced between 235 and 275 nanometers apart. The material included a layer of equally spaced quantum dots, [...]

Source: http://www.richardbanks.com/trends/?p=15670

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