COORDINATE-SENSITIVE RADIATION DETECTOR Russian patent published in 2008 - IPC G01J5/00 

FIELD: radiation pyrometry.

SUBSTANCE: the radiation detector has two sandwich-type sensing elements installed perpendicularly to the optical system axis coinciding with the radiation flux, and a measuring device with two coordinate recording units, each sensing element is made on the form of a plane-parallel plate of a highly alloyed ferroelectric crystal of class 3 m with translucent electrodes with a different work function. The polar axes of the crystals are positioned at an angle of 2 to 5 deg. to their inlet faces and oriented mutually perpendicularly, and the projections of the polar axes to the optical system axis are directed opposite the radiation flux. The electrode with a lower work function of the metal output is engageable with the inlet face of the crystal, and the electrode with a higher work function of the metal output-with its outlet face.

EFFECT: expanded functional potentialities due to determination of the radiation flux coordinates of not only alternate but also of constant power, enhanced accuracy of determination of the radiation flux coordinates of an alternate power.

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