NASA NTRS · 19910021112
Measurement techniques for cryogenic Ka-band microstrip antennas
Abstract
The measurement of cryogenic antennas poses unique logistical problems since the antenna under test must be embedded in a cooling chamber. A method of measuring the performance of cryogenic microstrip antennas using a closed cycle gas cooled refrigerator in a far field range is described. Antenna patterns showing the performance of gold and superconducting Ka-band microstrip antennas at various temperatures are presented.
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Richard, M. A., Bhasin, K. B., Gilbert, C., Metzler, S., Claspy, P. C.. 1991-01-01. Measurement techniques for cryogenic Ka-band microstrip antennas. https://ntrs.nasa.gov/citations/19910021112
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