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CCAT-Prime: Characterization of the First 280 GHz MKID Array for Prime-Cam

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Abstract

The Prime-Cam receiver on the Fred Young Submillimeter Telescope for the CCAT-prime project aims to address important astrophysical and cosmological questions with sensitive broadband, polarimetric, and spectroscopic measurements. The primary frequency bands in development include 280, 350, and 850 GHz for the polarization-sensitive broadband channels and 210–420 GHz for the spectrometers. Microwave kinetic inductance detectors (MKIDs) are a natural choice of detector technology for the simplicity in multiplexed readout needed for large format arrays at these high frequencies. We present here the initial laboratory characterization of the feedhorn-coupled 280 GHz polarimetric MKID array and outline the plans for the subsequent MKID arrays and the development of the testbed to characterize them.

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Acknowledgements

SKC acknowledges support from NSF award AST-2001866. MDN acknowledges support from NSF award AST-2117631. ZBH acknowledges support from a NASA Space Technology Graduate Research Opportunities Award. YL acknowledges support from KIC Postdoctoral Fellowship.

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Correspondence to S. K. Choi.

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Choi, S.K., Duell, C.J., Austermann, J. et al. CCAT-Prime: Characterization of the First 280 GHz MKID Array for Prime-Cam. J Low Temp Phys 209, 849–856 (2022). https://doi.org/10.1007/s10909-022-02787-9

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  • DOI: https://doi.org/10.1007/s10909-022-02787-9

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