期刊
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
卷 49, 期 6, 页码 1032-1038出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/22.925487
关键词
equivalent circuits; modeling; photoconducting devices; submillimeter-wave antennas; submillimeter-wave mixers
Accurate circuit models derived from electromagnetic simulations have been used to fabricate photomixer sources with optimized high-impedance antennas. Output powers on the order of 1 muW were measured fdr various designs spanning 0.6-2.7 THz. The improvement in output power ranged from 3 to 10 dB over more conventionally designed photomixers using broad-band log-spiral antennas, Measured data on single dipoles, twin dipoles,:and twin slots are in good agreement with the characteristics predicted by the design Simulations.
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