This article is cited in 3 papers

Receiver protecting device based on microstrip structure with high-temperature superconductor film

B. A. Belyaev^abc, I. V. Govorun^abc, A. A. Leksikov^abc, A. M. Serzhantov<sup>abc

a</sup> L. V. Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk
^b M. F. Reshetnev Siberian State Aerospace University,
^c Siberian Federal University, Krasnoyarsk

Abstract: New design of an effective device for protection against high-power electromagnetic pulses has been created based on a pair of noninteracting microstrip resonators, which are coupled in the working frequency band via a third resonator based on a thin film of high-temperature superconductor (HTSC) occurring in the superconducting state. Under the action of an electromagnetic pulse with the power above a certain threshold, the HTSC film element passes from the superconducting to normal (high-resistivity) state, thus breaking the coupling between resonators. This leads to power limitation at the device output due to a strong signal reflection from the input.

Received: 16.08.2011

 English version: Technical Physics Letters, 2012, 38:3, 211–214

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