Millimeter-wave imaging using FET detectors integrated with printed circuit antennas |
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| Authors: | Wilbert Chew Harold R Fetterman |
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| Affiliation: | 1. Department of Electrical Engineering, University of California, Los Angeles, 90024, Los Angeles, California
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| Abstract: | The application of field effect transistor (FET) detectors integrated with planar twin dipole microstrip antennas to millimeter-wave imaging has been demonstrated. Circuits were configured as practical heterodyne mixers, as elements in a 2×3 element planar focal plane array for imaging, and as receivers in frequency modulated (FM) radars for three-dimensional imaging, at 63 GHz. These experiments show that quasioptical circuits, using conventional present-day FETs and simple printed circuit construction, can be applied usefully in the millimeter-wave region. |
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