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2016 21st International Conference on Microwave, Radar and Wireless Communications (MIKON)
Experimental and theoretical investigations of the influence of substrate thickness on the performance of Si field effect transistor terahertz detectors are presented.. We show that in the case of planar metal antennas a significant portion of incoming radiation, instead of being coupled to the transistors, may be coupled to the substrate leading to important responsivity losses..The ways of avoiding these losses are discussed. FET terahertz detectors, planar antenna, substrate surface wavedoi:10.1109/mikon.2016.7492047 fatcat:7dtkme52m5dl5hcuo5lmpkl4su