In this paper we discuss the latest developments of the STRIP instrument of the “Large Scale Polarization Explorer” (LSPE) experiment. LSPE is a novel project that combines ground-based (STRIP) and balloon-borne (SWIPE) polarization measurements of the microwave sky on large angular scales to attempt a detection of the “B-modes” of the Cosmic Microwave Background polarization. STRIP will observe approximately 25% of the Northern sky from the “Observatorio del Teide” in Tenerife, using an array of forty-nine coherent polarimeters at 43 GHz, coupled to a 1.5 m fully rotating crossed-Dragone telescope. A second frequency channel with six-elements at 95 GHz will be exploited as an atmospheric monitor. At present, most of the hardware of the STRIP instrument has been developed and tested at sub-system level. System-level characterization, starting in July 2018, will lead STRIP to be shipped and installed at the observation site within the end of the year. The on-site verification and calibration of the whole instrument will prepare STRIP for a 2-years campaign for the observation of the CMB polarization.
Cristian Franceschet, Sabrina Realini, Aniello Mennella, Giuseppe Addamo, Alessandro Baù, Paola M. Battaglia, Marco Bersanelli, Barbara Caccianiga, Silvia Caprioli, Francesco Cavaliere, Kieran A. Cleary, Francesco Cuttaia, Francesco Del Torto, Viviana Fafone, Zunnoorain Farooqui, Ricardo T. Génova Santos, Todd C. Gaier, Massimo Gervasi, Tommaso Ghigna, Federico Incardona, Simone Iovenitti, Mike Jones, Pekka Kangaslahti, Roberto Mainini, Davide Maino, Michele Maris, Patricio Mena, Rocío Molina, Gianluca Morgante, Andrea Passerini, Maria del Rosario Perez-de-Taoro, Oscar A. Peverini, Federico Pezzotta, Claudio Pincella, Nicolás Reyes, Alessio Rocchi, José A. Rubiño-Martín, Maura Sandri, Stefano Sartor, Mary Soria, Valeria Tapia, Luca Terenzi, Maurizio Tomasi, Elisabetta Tommasi, Daniele M. Viganó, Fabrizio Villa, Giuseppe Virone, Angela Volpe, Bob Watkins, Andrea Zacchei, and Mario Zannoni, "The STRIP instrument of the Large Scale Polarization Explorer: microwave eyes to map the Galactic polarized foregrounds," Proc. SPIE 10708, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX, 107081G (Presented at SPIE Astronomical Telescopes + Instrumentation: June 15, 2018; Published: 9 July 2018); https://doi.org/10.1117/12.2313558.
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