Possibility of the detection in IR and sub/THz spectral region using MCT thin layer receivers: design of the chip, optical elements and antenna pattern
2015 IEEE 15th Mediterranean Microwave Symposium (MMS)(2015)
摘要
Two-color un-cooled and cooled to 78 K narrow-gap MCT (mercury-cadmium-telluride) semiconductor thin layers, grown by liquid phase epitaxy or molecular beam epitaxy methods on high resistivity CdZnTe or GaAs substrates, with bow-tie antennas were considered both as sub-terahertz direct detection bolometers and 3...10 microns infrared (IR) photoconductors. Aspheric THz lenses were designed and manufactured. The methods of creating antenna on thick substrate with pattern not dependent on frequency were discussed.
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关键词
MCT,two-color detector,IR,sub-THz,THz lenses
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