Title :
Far-field antenna characterization in the sub-THz region based on electrooptic near-field measurements
Author :
Hai Huy Nguyen Pham ; Hisatake, Shintaro ; Nagatsuma, Tadao
Author_Institution :
Div. of Adv. Electron. & Opt. Sci., Osaka Univ., Toyonaka, Japan
Abstract :
This paper describes an antenna characterization system in the sub-THz region that is based on photonic self-heterodyne and nonpolarimetric techniques. This system shows a stable measurement, with the signal-to-noise ratio of 30 dB and the phase standard deviation of 81×10-3 rad. Far-field horn antenna characterization at 125 GHz is demonstrated. We confirm that the radiation patterns calculated from the near-field measurements are in good agreement with the simulated results.
Keywords :
electro-optical devices; heterodyne detection; horn antennas; optical noise; optical testing; electrooptic near-field measurements; far-field horn antenna characterization; frequency 125 GHz; gain 30 dB; nonpolarimetric techniques; phase standard deviation; photonic self-heterodyne techniques; radiation pattern calculation; signal-to-noise ratio; subterahertz region; Antenna measurements; Electrooptical waveguides; Horn antennas; Microwave measurement; Microwave photonics; EO sensing; antenna characterization; far-field; horn antenna; nonpolarimetric technique; self-heterodyne technique; sub-THz;
Conference_Titel :
Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP), 2014 International Topical Meeting on
Conference_Location :
Sapporo
DOI :
10.1109/MWP.2014.6994577
