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- Title
A Multi-chroic Kinetic Inductance Detectors Array Using Hierarchical Phased Array Antenna.
- Authors
Shu, Shibo; Beyer, Andrew; Day, Peter; Defrance, Fabien; Sayers, Jack; Golwala, Sunil
- Abstract
We present a multi-chroic kinetic inductance detector (KID) pixel design integrated with a broadband hierarchical phased-array antenna. Each low-frequency pixel consists of four high-frequency pixels. Four passbands are designed from 125 to 365 GHz according to the atmospheric windows. The lumped element KIDs consist of 100-nm thick AlMn inductors and Nb parallel plate capacitors with hydrogenated amorphous Si dielectric. Two different coupling structures are designed to couple millimeter-wave from microstrip lines to KIDs. The KID designs are optimized for a 10-m-class telescope at a high, dry site, for example, the Leighton Chajnantor Telescope. Preliminary measurement results using Al KIDs are discussed.
- Subjects
PHASED array antennas; ELECTRIC inductance; DETECTORS; MICROSTRIP transmission lines; LUMPED elements; ANTENNAS (Electronics)
- Publication
Journal of Low Temperature Physics, 2022, Vol 209, Issue 3/4, p330
- ISSN
0022-2291
- Publication type
Article
- DOI
10.1007/s10909-022-02890-x