Coherent radiometers for cosmic microwave background polarization detection

Todd C. Gaier

doi:10.1117/12.458665

14 February 2003 Coherent radiometers for cosmic microwave background polarization detection

Todd C. Gaier

Proceedings Volume 4843, Polarimetry in Astronomy; (2003) https://doi.org/10.1117/12.458665
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

Coherent radiometers have been used for decades in the detection of polarization of astronomical signals. Recent success in detection of intensity fluctuations of the Cosmic Microwave Background (CMB) has created great interest in the potential measurement of CMB polarization. Detection of polarization at predicted levels may stretch the sensitivity of today's radiometers. I will review the state-of-the-art of receiver front-ends, discuss their application to polarimeter design in experiments, both existing and under development and finally describe the prospects for massive arrays for the detection of CMB polarization.

Citation Download Citation

Todd C. Gaier "Coherent radiometers for cosmic microwave background polarization detection", Proc. SPIE 4843, Polarimetry in Astronomy, (14 February 2003); https://doi.org/10.1117/12.458665

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