Measurement of the magnetic component of microwave electromagnetic radiation via sub-harmonic mixing

Zigmas Martūnas; Dalius Seliuta; Irmantas Kašalynas; Vincas Tamošiūnas; Gintaras Valušis

doi:10.1117/12.726401

25 January 2007 Measurement of the magnetic component of microwave electromagnetic radiation via sub-harmonic mixing

Zigmas Martūnas, Dalius Seliuta, Irmantas Kašalynas, Vincas Tamošiūnas, Gintaras Valušis

Proceedings Volume 6596, Advanced Optical Materials, Technologies, and Devices; 65960G (2007) https://doi.org/10.1117/12.726401
Event: Advanced Optical Materials, Technologies, and Devices, 2006, Vilnius, Lithuania

Abstract

New approach to measure a magnetic component of a microwave radiation via sub-harmonic mixing in high-T_c superconductor Bi₂Sr₂CaCu₂O₈ layer kept close to the transition temperature T_c is suggested. Employing an electrical nonlinearity near the transition, we have mixed alternating electrical field of 1 MHz and 2 MHz frequencies in the sample placed on the narrow wall of the waveguide for 10 GHz frequency range. The recording principle is illustrated showing the relation between the amplitude of the mixing signal and the microwave magnetic field component in a standing wave experiment. The underlining idea is also confirmed by experimental data obtained measuring the third order nonlinearity recorded by the application of the double-modulation approach in the microwave range.

Citation Download Citation

Zigmas Martūnas, Dalius Seliuta, Irmantas Kašalynas, Vincas Tamošiūnas, and Gintaras Valušis "Measurement of the magnetic component of microwave electromagnetic radiation via sub-harmonic mixing", Proc. SPIE 6596, Advanced Optical Materials, Technologies, and Devices, 65960G (25 January 2007); https://doi.org/10.1117/12.726401

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