IXPE DU-FM ions-UV filters characterization

Fabio La Monaca; Sergio Fabiani; Carlo Lefevre; Alfredo Morbidini; Raffaele Piazzolla; Fabrizio Amici; Primo Attinà; Daniele Brienza; Enrico Costa; Sergio Di Cosimo; Alessandro Di Marco; Giuseppe Di Persio; Yuri Evangelista; Riccardo Ferrazzoli; Pasqualino Loffredo; Fabio Muleri; John Rankin; Ajay Ratheesh; Alda Rubini; Francesco Santoli; Emanuele Scalise; Paolo Soffitta; Antonino Tobia; Alessio Trois; Fei Xie; Ben Zeiger

doi:10.1117/12.2567000

12 January 2021 IXPE DU-FM ions-UV filters characterization

Fabio La Monaca, Sergio Fabiani, Carlo Lefevre, Alfredo Morbidini, Raffaele Piazzolla, Fabrizio Amici, Primo Attinà, Daniele Brienza, Enrico Costa, Sergio Di Cosimo, Alessandro Di Marco, Giuseppe Di Persio, Yuri Evangelista, Riccardo Ferrazzoli, Pasqualino Loffredo, Fabio Muleri, John Rankin, Ajay Ratheesh, Alda Rubini, Francesco Santoli, Emanuele Scalise, Paolo Soffitta, Antonino Tobia, Alessio Trois, Fei Xie, Ben Zeiger

Author Affiliations +

Proceedings Volume 11444, Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray; 1144463 (2021) https://doi.org/10.1117/12.2567000
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Conference Poster

Abstract

IXPE (Imaging X-ray Polarimetry Explorer) is a NASA SMEX in a partnership with ASI. The focal plane Detector Units (DUs) and the Detector Service Unit (DSU) were developed by the Italian research Institutes INAF-IAPS and INFN and were manufactured by OHB-I. IXPE will investigate X-ray polarimetry in the 2-8 keV energy band. The payload comprises three identical telescopes, each composed of a mirror and a detector unit with an X-ray polarimeter based on the Gas Pixel Detector (GPD). A stray-light collimator (SLC) is mounted on the top of the DU to shield the GPD from background X-rays not coming from the optics. At the bottom of the SLC, an ions-UV filter is mounted to reduce the thermal load and to prevent ions and UV from entering the DU. The ions-UV filters consist mainly of 1 um LUXFilm (based on polyimide). During on-ground calibration activities of the IXPE DUs, X-ray transparency of DU-FM ions-UV filters was measured with monochromatic X-ray at 2.7 keV and 6.4 keV at INAF-IAPS.

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Fabio La Monaca, Sergio Fabiani, Carlo Lefevre, Alfredo Morbidini, Raffaele Piazzolla, Fabrizio Amici, Primo Attinà, Daniele Brienza, Enrico Costa, Sergio Di Cosimo, Alessandro Di Marco, Giuseppe Di Persio, Yuri Evangelista, Riccardo Ferrazzoli, Pasqualino Loffredo, Fabio Muleri, John Rankin, Ajay Ratheesh, Alda Rubini, Francesco Santoli, Emanuele Scalise, Paolo Soffitta, Antonino Tobia, Alessio Trois, Fei Xie, and Ben Zeiger "IXPE DU-FM ions-UV filters characterization", Proc. SPIE 11444, Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray, 1144463 (12 January 2021); https://doi.org/10.1117/12.2567000

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