OBSERVATION OF ATMOSPHERIC ABSORPTION USING SUBMILLIMETRE MASER SOURCES

被引:17
作者
BIRCH, JR
BURROUGHS, WJ
EMERY, RJ
机构
[1] Division of Electrical Science, National Physical Laboratory, Teddington, Middlesex
来源
INFRARED PHYSICS | 1969年 / 9卷 / 02期
关键词
D O I
10.1016/0020-0891(69)90013-X
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Using five submillimetre maser emission lines the absorption of the atmosphere and of pure water vapour have been experimentally determined ; the latter as a function of pressure. These results have been compared with values derived from a complete theoretical analysis based on monomeric water vapour only. This comparison leads to the conclusions that atmospheric absorption in the spectral region 32 - 100 cm-1 may be effectively computed using a theoretical model which considers monomeric water vapour alone; and that for absorption by pure water vapour a small deviation exists which is consistent with the theoretically evaluated spectrum of the water vapour dimer. © 1969.
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页码:75 / +
页数:1
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