Published February 1, 1982
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Far-infrared imaging antenna arrays
Abstract
A far-infrared imaging antenna array has been demonstrated for the first time. The array is a line of evaporated silver bow-tie antennas on a fused-quartz substrate with bismuth-microbolometer detectors. The measured optical transfer function shows that the system is diffraction limited. This imaging array should find direct application in fusion plasma diagnostics. If the microbolometers can be replaced by more sensitive diode detectors, the array should also find application in radiometry and radar.
Additional Information
©1982 American Institute of Physics. Received 21 September 1981; accepted for publication 17 November 1981. We appreciate the support of the Jet Propulsion Laboratory and the Department of Energy under contract DE-AM03-765F-00010 Task IIA. We would like to thank Professor S.E. Schwarz at U.C. Berkeley for helping us with the mask making, Professor N.C. Luhmann, Jr., and Dr. W.A. Peebles at UCLA for the loan of evaporators and facilities, and Professor O. Staffsed at UCLA for suggesting that silver would be a better material for leads than gold.Files
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