Talk detail

Participant	Realini, Sabrina
Institution	Università degli Studi di Milano - via Celoria - Milano - Lombardia - Italy

Session	CM5	Accepted		Order	Time
Talk	Oral abstract	Title	Preliminary Analysis of the Optical System of the LSPE-STRIP Instrument
Coauthors
Abstract	We present a preliminary analysis of the optical system of the STRIP instrument of the “Large Scale Polarization Explorer” (LSPE) experiment, which aims at polarization measurements of the Cosmic Microwave Background on large angular scales. 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 (Q-band), coupled to a 1.5 m fully rotating crossed-Dragone telescope. An additional frequency channel with six-elements at 95 GHz (W-band) will be exploited as an atmospheric monitor. Non-idealities in the optical system may introduce limitations in achieving high precision measurements, if not well understood and controlled. For this reason we studied the optical design of STRIP, its characteristics in terms of performance on angular resolution, sidelobes, main beam symmetry, polarization purity and feedhorns orientation, by means of electromagnetic simulations.
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