日本リモートセンシング学会誌
Online ISSN : 1883-1184
Print ISSN : 0289-7911
ISSN-L : 0289-7911
論文
鏡面反射吸収体を用いた衛星搭載用サブミリ波較正源
飯田 幸榮菊池 健一西堀 俊幸岡林 明伸真鍋 武嗣
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2013 年 33 巻 2 号 p. 109-116

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A calibration load with specular-reflection absorbers for a submillimeter-wave radiometer is proposed, and the results of fabrication and performance tests are described. The load consists of a pair of flat-surface specular absorbers set at their Brewster angle giving polarization-independent performance. By the use of absorbers with specular surfaces, the electrical and thermal design for a hig-power reflection loss calibration load becomes easy. The obtained effective brightness temperature and coherent power reflection coefficient are 300 K and less than -60 dB, respectively, at frequencies between 624 and 650 GHz. The load has been used for the absolute calibration of the SMILES (Superconducting Submillimeter-wave Limb-Emission Sounder on the International Space Station/Japanese Experiment Module).

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© 2013 社団法人 日本リモートセンシング学会
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