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lasery polovodičové

  1. Subject h.lasery polovodičové
    Subject h.Lasers, Semiconductor
    Entry termslasery diódové
    lasery alumínium-gálium-arzenidové
    lasery gálium-arzenidové
    English X referencesDiode Lasers
    Gallium Aluminum Arsenide Lasers
    Gallium Arsenide Lasers
    Scope note in EnglishLasers with a semiconductor diode as the active medium. Diode lasers transform electric energy to light using the same principle as a light-emitting diode (LED), but with internal reflection capability, thus forming a resonator where a stimulated light can reflect back and forth, allowing only a certain wavelength to be emitted. The emission of a given device is determined by the active compound used (e.g., gallium arsenide crystals doped with aluminum or indium). Typical wavelengths are 810, 1,060 and 1,300 nm. (From UMDNS, 2005)
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