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19 August 2014 Optimization of cold resonant filters for frequency domain multiplexed readout of POLARBEAR-2
Kaori Hattori, Yoshiki Akiba, Kam Arnold, Darcy Barron, Amy Bender, Matthew Adam Dobbs, Tijmen de Haan, Nicholas Harrington, Masaya Hasegawa, Masashi Hazumi, William Laird Holzapfel, Yasuto Hori, Brian G. Keating, Adrian T. Lee, Joshua Montgomery, Hideki Morii, Michael J. Myers, Kaja Rotermund, Ian Shirley, Graeme M. Smecher, Nathan Stebor, Aritoki Suzuki, Takayuki Tomaru
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Proceedings Volume 9153, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII; 91531B (2014) https://doi.org/10.1117/12.2057045
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada
Abstract
For the next generation of Cosmic Microwave Background (CMB) experiments, kilopixel arrays of Transition Edge Sensor (TES) bolometers are necessary to achieve the required sensitivity and their science goals. We are developing read-out electronics for POLARBEAR-2 CMB experiment, which multiplexes 32-TES bolometers through a single superconducting quantum interface device (SQUID). To increase both the bandwidth of the SQUID electronics and the multiplexing factor, we are modifying cold wiring and developing LC filters, and a low-inductance superconducting cable. Using these components, we will show frequency domain multiplexing up to 3 MHz.
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Kaori Hattori, Kaori Hattori, Yoshiki Akiba, Yoshiki Akiba, Kam Arnold, Kam Arnold, Darcy Barron, Darcy Barron, Amy Bender, Amy Bender, Matthew Adam Dobbs, Matthew Adam Dobbs, Tijmen de Haan, Tijmen de Haan, Nicholas Harrington, Nicholas Harrington, Masaya Hasegawa, Masaya Hasegawa, Masashi Hazumi, Masashi Hazumi, William Laird Holzapfel, William Laird Holzapfel, Yasuto Hori, Yasuto Hori, Brian G. Keating, Brian G. Keating, Adrian T. Lee, Adrian T. Lee, Joshua Montgomery, Joshua Montgomery, Hideki Morii, Hideki Morii, Michael J. Myers, Michael J. Myers, Kaja Rotermund, Kaja Rotermund, Ian Shirley, Ian Shirley, Graeme M. Smecher, Graeme M. Smecher, Nathan Stebor, Nathan Stebor, Aritoki Suzuki, Aritoki Suzuki, Takayuki Tomaru, Takayuki Tomaru, "Optimization of cold resonant filters for frequency domain multiplexed readout of POLARBEAR-2", Proc. SPIE 9153, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII, 91531B (19 August 2014); doi: 10.1117/12.2057045; https://doi.org/10.1117/12.2057045
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