A low-noise 492 GHz SIS waveguide receiver |
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| Authors: | C. K. Walker J. W. Kooi M. Chant H. G. LeDuc P. L. Schaffer J. E. Carlstrom T. G. Phillips |
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| Affiliation: | 1. California Institute of Technology, Pasadena, California
3. Jet Propulsion Laboratory, Pasadena, California
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| Abstract: | In this paper we discuss the design and performance of an SIS waveguide receiver which provides low noise performance from 375 to 510 GHz. At its design frequency of 492 GHz the receiver has a double sideband noise temperature of ～172 K. By using embedded magnetic field concentrators, we are able to effectively suppress Josephson pair tunneling. Techniques for improving receiver performance are discussed. |
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