FIELD: measurement technology.
SUBSTANCE: glowing of tested object is excited and pulses are amplified, formed, registered and compared with test-object. Tested object is subject preliminary to freezing, then the object is placed inside container made of low heat conductivity material. Container is placed into light-tight chamber provided with shutter. After glowing is established, quantum light flux radiated by tested object is passed through optical mirrors located at input of photomultiplier tube. Glowing is initiated by flash light due to contact tool which makes photo flash connection circuit synchronously with operation of shutter.
EFFECT: improved precision of measurements; improved precision.
1 dwg
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