ASUR - AN AIRBORNE SIS RECEIVER FOR ATMOSPHERIC MEASUREMENTS OF TRACE GASES AT 625 TO 760 GHZ

被引:21
|
作者
MEES, J
CREWELL, S
NETT, H
DELANGE, G
VANDESTADT, H
KUIPERS, JJ
PANHUYZEN, RA
机构
[1] UNIV BREMEN,INST ENVIRONM PHYS,D-28334 BREMEN,GERMANY
[2] UNIV GRONINGEN,DEPT APPL PHYS,9747 AG GRONINGEN,NETHERLANDS
[3] UNIV GRONINGEN,CTR MAT SCI,9747 AG GRONINGEN,NETHERLANDS
关键词
D O I
10.1109/22.473176
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A heterodyne receiver making use of a SIS waveguide mixer with integrated horn and single backshort tuner has been built, It has been used for a series of airborne measurements of atmospheric trace gases, such as HCl and ClO, above northern Europe during the winter of 1993 and 1994. The receiver is suitable for measurements in the range of 625-760 GHz and shows stable operation in the airplane together with high sensitivity. Best achieved noise temperatures are T-DSB = 310 K at 708 GHz in the laboratory and T-SSB = 1500 K at 625 GHz for the complete system in the airplane.
引用
收藏
页码:2543 / 2548
页数:6
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