EFFECTS OF RADIO-FREQUENCY RADIATION ON THE DC SQUID

被引：34
|
作者：
KOCH, RH
FOGLIETTI, V
ROZEN, JR
STAWIASZ, KG
KETCHEN, MB
LATHROP, DK
SUN, JZ
GALLAGHER, WJ
机构：
[1] IBM Thomas J. Watson Research Center, Yorktown Heights
来源：
APPLIED PHYSICS LETTERS | 1994年 / 65卷 / 01期
关键词：
D O I：
10.1063/1.113046
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The effects of radio frequency radiation on the dc SQUID are examined. Simulations show how the shape of the SQUID transfer characteristic is distorted by radio frequency interference (RFI). How this affects three commonly used SQUID modulation methods is discussed, and the results explain why we experimentally observe the bias current reversing readout method to be the least susceptible to RFI. The commonly seen increase in the low frequency flux noise power spectrum of dc SQUIDs in unshielded environments is also explained.
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页码：100 / 102
页数：3
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