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The bolometric focal plane array of the POLARBEAR CMB experiment

Arnold, K., Ade, Peter A. R., Anthony, A. E., Barron, D., Boettger, D., Borrill, J., Chapman, S., Chinone, Y., Dobbs, M. A., Errard, J., Fabbian, G., Flanigan, D., Fuller, G., Ghribi, A., Grainger, W., Halverson, N., Hasegawa, M., Hattori, K., Hazumi, M., Holzapfel, W. L., Howard, J., Hyland, P., Jaffe, A., Keating, B., Kermish, Z., Kisner, T., Le Jeune, M., Lee, A. T., Linder, E., Lungu, M., Matsuda, F., Matsumura, T., Miller, N. J., Meng, X., Morii, H., Moyerman, S., Myers, M. J., Nishino, H., Paar, H., Quealy, E., Reichardt, C., Richards, P. L., Ross, C., Shimizu, A., Shimmin, C., Shimon, M., Sholl, M., Siritanasak, P., Speiler, H., Stebor, N., Steinbach, B., Stompor, R., Suzuki, A., Tomaru, T., Tucker, Carole and Zahn, O. 2012. The bolometric focal plane array of the POLARBEAR CMB experiment. Presented at: Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI, Amsterdam, The Netherlands, 1 July 2012. Proc. SPIE 8452, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI,. The International Society for Optical Engineering, 84521D. 10.1117/12.927057

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Abstract

The POLARBEAR Cosmic Microwave Background (CMB) polarization experiment is currently observing from the Atacama Desert in Northern Chile. It will characterize the expected B-mode polarization due to gravitational lensing of the CMB, and search for the possible B-mode signature of inflationary gravitational waves. Its 250 mK focal plane detector array consists of 1,274 polarization-sensitive antenna-coupled bolometers, each with an associated lithographed band-defining filter. Each detector’s planar antenna structure is coupled to the telescope’s optical system through a contacting dielectric lenslet, an architecture unique in current CMB experiments. We present the initial characterization of this focal plane.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Uncontrolled Keywords: Antennas; Bolometers; Detector arrays; Optical systems; Polarization; Staring arrays
Publisher: The International Society for Optical Engineering
ISSN: 0277-786X
Last Modified: 04 Jun 2017 04:57
URI: http://orca.cf.ac.uk/id/eprint/46762

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