Detector and readout characterization for POLARBEAR-2b

Ito, Jennifer; Lowry, Lindsay; Elleflot, T.; Crowley, Kevin T.; Howe, L.; Siritanasak, P.; Adkins, Tylor; Arnold, K.; Baccigalupi, C.; Barron, Darcy; Bixler, Bryce; Chinone, Yuji; Groh, J. C.; Hazumi, M.; Hill, Charles A.; Jeong, O.; Keating, Brian; Kusaka, A.; Lee, Adrian T.; Mitchell, Kayla; Navaroli, M.; Pham, A.; Raum, Christopher; Reichardt, Christian; Sasse, Trevor; Seibert, Joseph; Suzuki, Aritoki; Takakura, S.; Teply, G. P.; Tsai, Calvin; Westbrook, Benjamin

doi:10.1117/12.2562766

Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X 2020

DOI: 10.1117/12.2562766

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Detector and readout characterization for POLARBEAR-2b

Jennifer Ito

Lindsay Lowry

T. Elleflot

et al.

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Deployment of POLARBEAR-2b

Russell,

Sakaguri,

Lowry

et al. 2024

J Low Temp Phys

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POLARBEAR-2b (PB-2b) is the second receiver in the Simons Array, a cosmic microwave background (CMB) polarization experiment. The Simons Array uses dichroic polarization sensitive lenslet-coupled sinuous antennas and transition-edge sensor (TES) bolometers made of superconducting films. These bolometers are read out with frequency multiplexing electronics. PB-2b contains $$\sim$$ ∼ 7500 detectors in two bands at 90 and 150 GHz with arcminute resolution. The polarization of these detectors is modulated by a cryogenic continuously rotating half-wave plate. PB-2b was installed on its telescope in 2022 in the Atacama Desert at an altitude of 5.2 km. This paper will detail initial readout commissioning, test of a new loopgain monitoring method, and focusing the optics. Work is ongoing to commission the remaining ambient temperature readout electronics, measure detector time constants, and observe with the cryogenic half-wave plate spinning

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Deployment of POLARBEAR-2b

Russell,

Sakaguri,

Lowry

et al. 2024

J Low Temp Phys

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Integrated Electrical Properties of the Frequency Multiplexed Cryogenic Readout System for Polarbear/Simons Array

Barron

Mitchell

Groh

et al. 2021

IEEE Trans. Appl. Supercond.

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Detector and readout characterization for POLARBEAR-2b

Cited by 2 publications

References 0 publications

Deployment of POLARBEAR-2b

Deployment of POLARBEAR-2b

Integrated Electrical Properties of the Frequency Multiplexed Cryogenic Readout System for Polarbear/Simons Array

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