TY - GEN
T1 - Design and characterization of the MUSCAT detectors
AU - Gomez-Rivera, V.
AU - Ade, P. A.R.
AU - Barry, P. S.
AU - Brien, T. L.R.
AU - Castillo-Dominguez, E.
AU - Ferrusca, D.
AU - Hargrave, P.
AU - Hernandez-Rebollar, J. L.
AU - Hornsby, A.
AU - Hughes, D.
AU - Jauregui-Garcia, J. M.
AU - Mauskopf, P.
AU - Murias, D.
AU - Papageorgiou, A.
AU - Pascale, E.
AU - Perez, A.
AU - Rodriguez, I.
AU - Rowe, S.
AU - Tapia, M.
AU - Tucker, C.
AU - Velazquez, M.
AU - Ventura, S.
AU - Doyle, S.
N1 - Funding Information:
We acknowledge RCUK and CONACYT through the Newton Fund (grant no. ST/P002803/1), CONACYT for support the fellowship for the instrument scientist (grant no. 053), Chase Research Cryogenics for the development of the sub Kelvin coolers and to XILINX Inc. for the donation of the FPGAs used for the ROACH2 boards.
Publisher Copyright:
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PY - 2020
Y1 - 2020
N2 - MUSCAT is a second-generation continuum camera for the Large Millimeter Telescope (LMT) "Alfonso Serrano", to observe at the 1.1 mm atmospheric window. The camera has 1500 background-limited, horn-coupled lumped-element kinetic inductance detectors (LEKIDs) split across six arrays operating at 130-mK. The detector design for MUSCAT is based on a large-volume, double-meander geometry used as the inductive and two-polarization absorbing section of the LEKID resonator. In this paper we present the optical coupling of the meander to a choked waveguide output, the microwave design of the LEKID architecture, the device fabrication process and results demonstrating the detector sensitivity under a range of optical loads. Also presented are the performance of an aluminum absorbing layer used to minimize the optical cross-Talk between detectors.
AB - MUSCAT is a second-generation continuum camera for the Large Millimeter Telescope (LMT) "Alfonso Serrano", to observe at the 1.1 mm atmospheric window. The camera has 1500 background-limited, horn-coupled lumped-element kinetic inductance detectors (LEKIDs) split across six arrays operating at 130-mK. The detector design for MUSCAT is based on a large-volume, double-meander geometry used as the inductive and two-polarization absorbing section of the LEKID resonator. In this paper we present the optical coupling of the meander to a choked waveguide output, the microwave design of the LEKID architecture, the device fabrication process and results demonstrating the detector sensitivity under a range of optical loads. Also presented are the performance of an aluminum absorbing layer used to minimize the optical cross-Talk between detectors.
KW - Kinetic Inductance Detectors
KW - Noise Equivalent Power
KW - Superconductor Resonators
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U2 - 10.1117/12.2576334
DO - 10.1117/12.2576334
M3 - Conference contribution
AN - SCOPUS:85100011954
T3 - Proceedings of SPIE - The International Society for Optical Engineering
BT - Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X
A2 - Zmuidzinas, Jonas
A2 - Gao, Jian-Rong
PB - SPIE
T2 - Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X 2020
Y2 - 14 December 2020 through 22 December 2020
ER -