We review a number of technologies that are candidates for active polarization modulators for CMBPol. The technologies are appropriate for instruments that use bolometric detectors and include birefringent crystal-based and metal-mesh-based half-wave plates, variable phase polarization modulator, Faraday rotator, and photolithographed modulators. We also give a current account of the status of millimeter-wave orthomode transducers.
Polarization modulators for CMBPol / Ade, P. A. R.; Chuss, D. T.; Hanany, S.; Haynes, V.; Keating, B. G.; Kogut, A.; Ruhl, J. E.; Pisano, G.; Savini, G.; Wollack, E. J.. - 155:1(2009). (Intervento presentato al convegno 2008 Conference on Technology Development for a Cosmic Microwave Background Probe of Inflation tenutosi a Boulder, USA) [10.1088/1742-6596/155/1/012006].
Polarization modulators for CMBPol
Pisano G.;
2009
Abstract
We review a number of technologies that are candidates for active polarization modulators for CMBPol. The technologies are appropriate for instruments that use bolometric detectors and include birefringent crystal-based and metal-mesh-based half-wave plates, variable phase polarization modulator, Faraday rotator, and photolithographed modulators. We also give a current account of the status of millimeter-wave orthomode transducers.| File | Dimensione | Formato | |
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Ade_Polarization Modulators_2008.pdf
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