FIELD: lasers for spectral analysis, signal devices. SUBSTANCE: device has sealed glass bulb. Said bulb contains cathode, electronic-optical unit, laser target, barrel and converging lens. Laser target is designed as semiconductor plates, which are attached to semitransparent substrate. Plates are made from different semiconductor materials. EFFECT: generation of laser beams simultaneously in several bands, separation of emitting areas and generation of required structure and angular divergence. 4 cl, 1 dwg
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