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Baryshev, A.M. (author), Hesper, R. (author), Mena, F.P. (author), Klapwijk, T.M. (author), Van Kempen, T.A. (author), Hogerheijde, M.R. (author), Jackson, B.D. (author), Adema, J. (author), Gerlofsma, G.J. (author), Bekema, M.E. (author), Barkhof, J. (author), De Haan-Stijkel, L.H.R. (author), Van den Bemt, M. (author), Koops, A. (author), Keizer, K. (author), Pieters, C. (author), Koops van het Jagt, J. (author), Schaeffer, H.H.A. (author), Zijlstra, T. (author), Kroug, M. (author), Lodewijk, C.F.J. (author), Wielinga, K. (author), Boland, W. (author), Van Dishoeck, E.F. (author), Jager, H. (author), Wild, W. (author)
Aims. We describe the design, construction, and characterization of the Band 9 heterodyne receivers (600–720 GHz) for the Atacama Large Millimeter/submillimeter Array (ALMA). First-light Band 9 data, obtained during ALMA commissioning and science verification phases, are presented as well. Methods. The ALMA Band 9 receiver units (so-called ...
journal article 2015
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Lodewijk, C.F.J. (author), Zijlstra, T. (author), Zhu, S. (author), Mena, F.P. (author), Baryshev, A.M. (author), Klapwijk, T.M. (author)
We study, using niobium-technology, the bandwidth of SIS mixers operating at frequencies close to the energy-gap frequency. Microstriplines of niobium-silicon dioxide-niobium have different properties for the top and bottom superconductor, which we find to depend on the used fabrication process. Replacing the AlOx tunnel barrier by AlN, the...
journal article 2009
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Mena, F.P. (author), Kooi, J.W. (author), Baryshev, A.M. (author), Lodewijk, C.F.J. (author), Hesper, R. (author), Wild, W. (author), Klapwijk, T.M. (author)
journal article 2008