FIELD: measuring equipment.
SUBSTANCE: invention relates to measurement equipment and device for measuring energy of powerful laser radiation pulses. Device includes a laser radiation source, a diffusing medium optic fiber collector, attenuator of laser radiation, photodiode, measuring and computing unit. Dissipating medium is diffusing diffuser made up in form of cylindrical washer from diffusing glass. On external surface of washer branched ends fiberoptic collector are fixed uniformly in circumferential direction with possibility to adjust distance to surface of diffuser. Collector provides optical signal transmission through attenuator to photodiode. Outlet of collector is secured with possibility to adjust distance to attenuator.
EFFECT: technical result consists in increase of range and high accuracy of measurements.
4 cl, 2 dwg
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