The Detector System for the Stratospheric Kinetic Inductance Polarimeter (SKIP)
- Creators
- Johnson, B. R.
- Ade, P. A. R.
- Araujo, D.
- Bradford, K. J.
- Chapman, D.
- Day, P. K.
- Didier, J.
- Doyle, S.
- Eriksen, H. K.
- Flanigan, D.
- Groppi, C.
- Hillbrand, S.
- Jones, G.
- Limon, M.
- Mauskopf, P.
- McCarrick, H.
- Miller, A.
- Mroczkowski, T.
- Reichborn-Kjennerud, B.
- Smiley, B.
- Sobrin, J.
- Wehus, I. K.
- Zmuidzinas, J.
Abstract
The stratospheric kinetic inductance polarimeter is a proposed balloon-borne experiment designed to study the cosmic microwave background, the cosmic infrared background and Galactic dust emission by observing 1,133 deg^2 of sky in the Northern Hemisphere with launches from Kiruna, Sweden. The instrument contains 2,317 single-polarization, horn-coupled, aluminum lumped-element kinetic inductance detectors (Lekids). The Lekids will be maintained at 100 mK with an adiabatic demagnetization refrigerator. The polarimeter operates in two configurations, one sensitive to a spectral band centered on 150 GHz and the other sensitive to 260 and 350 GHz bands. The detector readout system is based on the ROACH-1 board, and the detectors will be biased below 300 MHz. The detector array is fed by an F/2.4 crossed-Dragone telescope with a 500 mm aperture yielding a 15 arcmin FWHM beam at 150 GHz. To minimize detector loading and maximize sensitivity, the entire optical system will be cooled to 1 K. Linearly polarized sky signals will be modulated with a metal-mesh half-wave plate that is mounted at the telescope aperture and rotated by a superconducting magnetic bearing. The observation program consists of at least two, 5-day flights beginning with the 150 GHz observations.
Additional Information
© 2013 Springer Science+Business Media New York. Received: 31 July 2013. Accepted: 6 December 2013. Published online: 25 December 2013.Attached Files
Submitted - 1308.0235v3.pdf
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Additional details
- Eprint ID
- 49265
- Resolver ID
- CaltechAUTHORS:20140905-081044803
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2014-09-05Created from EPrint's datestamp field
- Updated
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2021-11-10Created from EPrint's last_modified field