We describe an experiment to measure calibration sources, the polarization of Cosmic Microwave Background Radiation (CMBR) and the polarization induced on the CMBR from S-Z effects, using a polarimeter, MITOPol, that will be employed at the MITO telescope. Two modulation methods are presented and compared: an amplitude modulation with a Fresnel double rhomb and a phase modulation with a modified Martin-Puplett interferometer. A first light is presented from the campaign (summer 2003) that has permitted to estimate the instrument spurious polarization using the second modulation method. (C) 2004 Elsevier B.V. All rights reserved.
A far infrared polarimeter / Catalano, Andrea; Conversi, Luca; DE GREGORI, Simone; DE PETRIS, Marco; Lamagna, Luca; Maoli, Roberto; Savini, Giorgio; Battistelli, Elia Stefano; Angiola, Orlando. - In: NEW ASTRONOMY. - ISSN 1384-1076. - STAMPA. - 10:2(2004), pp. 79-89. [10.1016/j.newast.2004.05.002]
A far infrared polarimeter
CATALANO, Andrea;CONVERSI, Luca;DE GREGORI, Simone;DE PETRIS, Marco;LAMAGNA, Luca;MAOLI, Roberto;SAVINI, Giorgio;BATTISTELLI, Elia Stefano;
2004
Abstract
We describe an experiment to measure calibration sources, the polarization of Cosmic Microwave Background Radiation (CMBR) and the polarization induced on the CMBR from S-Z effects, using a polarimeter, MITOPol, that will be employed at the MITO telescope. Two modulation methods are presented and compared: an amplitude modulation with a Fresnel double rhomb and a phase modulation with a modified Martin-Puplett interferometer. A first light is presented from the campaign (summer 2003) that has permitted to estimate the instrument spurious polarization using the second modulation method. (C) 2004 Elsevier B.V. All rights reserved.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.