FIELD: physics, measuring.
SUBSTANCE: measuring of power of laser radiation use two identical data units from the metal having reversible polymorphic transmutation in the range of temperatures of measuring, one of data units place on a trajectory of measured radiation, measure change of its electrical resistance, the second data unit use for neutralisation of influence of change of temperature of an environment on value of a measurand and spot power of radiation on value of change of the electroresistance caused by reorganisation of a crystalline lattice of metal during transmutation at rise in temperature under the influence of radiation.
EFFECT: increase of sensitivity of measurings.
1 dwg
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