Abstract: We present mm-wave transmission as a complementary technique to characterize the properties of superconducting thin films, obtaining information on both the real and imaginary part of the dielectric function. Examples are given to illustrate the strength of the technique to measure the response of di-electric materials and stratified systems. We demonstrate the BCS-behavior of a conventional superconductor NbN, and show furthermore the unconventional behavior in both the absorptive and reactive part of the conductivity of a 20 nm thick DyBa$-2$/Cu$-3$/O$- 7$MIN@$delta$/ film. !25
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机译：摘要：我们提出毫米波传输作为一种补充技术，以表征超导薄膜的特性，获得有关介电函数的实部和虚部的信息。举例说明了测量介电材料和分层系统响应的技术的强度。我们演示了常规超导体NbN的BCS行为，并进一步展示了20 nm厚DyBa $ -2 $ / Cu $ -3 $ / O $ -7 $的电导率的吸收性和反应性部分中的非常规行为。 MIN @ $ delta $ /电影。 ！25
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