Title :
Measurements of strip dipole antennas on finite-thickness substrates at 230 GHz
Author :
Gouker, Mark A. ; Smith, Glenn S.
Author_Institution :
Sch. of Eng., Georgia Inst. of Technol., Atlanta, GA, USA
Abstract :
Gain and field pattern measurements at 230 GHz are reported for strip dipole antennas on finite-thickness substrates without ground planes. Four substrate thicknesses are investigated ranging from 0.25 lambda to 1.53 lambda ( lambda =wavelength in substrate material). Measured results are in good agreement with theoretical predictions. A unique detector/low-pass filter design, composed of a bolometer and an interdigitated capacitor, is used to eliminate the distortion of the measured field patterns caused by the reception of the leads connecting the antenna with the monitoring instrumentation.<>
Keywords :
antenna radiation patterns; bolometers; dipole antennas; field strength measurement; gain measurement; microstrip antennas; microwave measurement; 230 GHz; EHF; MM-wave type; bolometer; detector; field pattern measurements; finite-thickness substrates; gain measurements; interdigitated capacitor; low-pass filter design; millimetre wave; strip dipole antennas; Antenna measurements; Bolometers; Capacitors; Detectors; Dipole antennas; Distortion measurement; Gain measurement; Joining processes; Low pass filters; Monitoring;
Journal_Title :
Microwave and Guided Wave Letters, IEEE
