Abstract
The operating principle and design of an uncooled noise-immune high-power microwave pulse sensor is described. The sensor operation is based on the effect of acoustic signal generation when microwave pulses are absorbed in a layer structure, in which a thin metal nanometer-thick film is used as an absorber. The sensor is placed in a free space and intended to detect microwave pulses with ∼10- to 100-ns durations in a 10- to 300-GHz frequency band with a pulse repetition rate of up to 5 kHz. For 10-ns-long pulses, the sensor sensitivity is 0.5 V/mJ.
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Original Russian Text © V.G. Andreev, V.A. Vdovin, 2009, published in Pribory i Tekhnika Eksperimenta, 2009, No. 2, pp. 81–85.
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Andreev, V.G., Vdovin, V.A. A thermoacoustic sensor for recording high-power nanosecond microwave pulses. Instrum Exp Tech 52, 226–229 (2009). https://doi.org/10.1134/S0020441209020171
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DOI: https://doi.org/10.1134/S0020441209020171