Wide band waveguide sensor for microwave pulse measurement

Ž. Kancleris; P. Ragulis; R. Simniškis; M. Dagys

doi:10.3952/physics.v53i2.2669

Ž. Kancleris
P. Ragulis
R. Simniškis
M. Dagys

DOI: https://doi.org/10.3952/physics.v53i2.2669

Keywords: microwave pulse power measurement, electromagnetic wave, double ridged (H-type) waveguide, frequency response, finite-difference time-domain method, resistive sensor

Abstract

A wide band resistive sensor, the performance of which is based on electron heating effect in semiconductors, has been implemented in a double ridge waveguide WRD250 in a frequency range of 2.6–7.8 GHz. The dependences of the output signal on microwave pulse power and frequency response of the sensor were measured. The measured results of frequency response have been compared with the calculated ones obtained using a finite-difference time-domain method, and a reasonable agreement between them was found.