ISSTT Proceedings

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A 200 GHz Schottky Diode Quasi-Optical Detector Based on Folded Dipole Antenna

Authors:
L. Liu, H. Xu, Y. Duan, A. W. Lichtenberger, J. L. Hesler, R. M. Weikle, II
Abstract:
We report the development of quasi-optical Schottky diode detectors based on folded dipole antennas (FDAs) having high driving point impedances. For a prototype demonstration, we have designed a 200 GHz FDA on a silicon substrate with three turns and nearly 1100 Omega input impedance. For DC signal output, we designed a coplanar strip (CPS) lowpass filter which effectively suppresses the RF (200 GHz) current on the DC lines. The detector circuits are diced into octagons for alignment with the high resistivity silicon lens. Initial responsivity and antenna pattern measurements have been performed, and the results are presented. More research will be done to further optimize the detector design and performance.
Categories:
Detectors, Mixers
Year:
2009
Session:
W1
Full-text:
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Page Number(s):
145-149