Title :
A dielectric lens antenna with enhanced aperture efficiency for industrial radar applications
Author_Institution :
Inst. for Integrated Syst., Ruhr-Univ. Bochum, Bochum, Germany
Abstract :
A dielectric lens antenna for 25 GHz industrial radar measurements in industrial tanks is presented. Due to the limited diameter, the aperture efficiency is an important benchmark for these applications. The presented approach uses a massive PTFE lens body, which results in a measured aperture efficiency of 104% at a diameter of 74 mm. This corresponds to a gain of 25.9 dBi. The main lobe has a tight 3 dB angular width of 8.4°/ 8.6° with a side lobe level of -17.0 dB /-17.6 dB.
Keywords :
dielectric devices; lens antennas; microwave measurement; radar antennas; tanks (containers); dielectric lens antenna; frequency 25 GHz; industrial radar measurement; industrial tanks; massive PTFE lens body; size 74 mm; Antenna measurements; Apertures; Dielectrics; Lenses; Radar antennas; Reflection; Aperture Efficiency Enhancement; Directional UWB Antenna; Industrial Radar; Lens Antenna; Radar; Radar Distance Measurement;
Conference_Titel :
Antennas and Propagation (MECAP), 2010 IEEE Middle East Conference on
Conference_Location :
Cairo
Print_ISBN :
978-1-61284-903-4
DOI :
10.1109/MECAP.2010.5724171
