Topology of a microstrip line with a constriction.
Schematic representation of the microwave measuring network. , —voltage and internal resistance of the generator in the microwave network analyzer; , , —wave impedance, propagation constant, and length of the microwave feed cables; , , , , , —wave impedance, propagation constant, and length of the wide and narrow parts of the microstrip line; —load at the input of the microwave network analyzer.
Insertion losses of a microstrip line with a constriction versus the frequency of the microwave field (taking account of ) in the linear regime for different , : 0 (1), 0.2 (2), 30 (3).
Frequency (a) and temperature (b) dependences of the insertion losses of a microstrip line with a constriction.
Critical current densities, obtained from microwave experiments and transport measurements at constant current. Inset: IVC of a line with a constriction. Constriction width .
Hysteresis of the function with nonmonotonic variation of the microwave power.
Insertion and return losses of a line with a constriction versus the damping coefficient of the narrow part of the line.
Limitation of the microwave power. for different temperatures. The curves were obtained at frequency .
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