Development of a facility for high accuracy and precision characterization of Micro-Pore Optics collimators

Alessio Nuti; Francesco Ceraudo; Giovanni Della Casa; Ettore Del Monte; Giuseppe Dilillo; Yuri Evangelista; Marco Feroci; Giovanni Lombardi

doi:10.1117/12.3020262

21 August 2024 Development of a facility for high accuracy and precision characterization of Micro-Pore Optics collimators

Alessio Nuti, Francesco Ceraudo, Giovanni Della Casa, Ettore Del Monte, Giuseppe Dilillo, Yuri Evangelista, Marco Feroci, Giovanni Lombardi

Author Affiliations +

Proceedings Volume 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray; 130936V (2024) https://doi.org/10.1117/12.3020262
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

The Large Area Detector (LAD) is a narrow field-of-view instrument concept proposed for the eXTP X-ray space astronomy mission. With a substantial active area exceeding 3m² at 8 keV, the LAD cannot rely on traditional grazing-incidence focusing X-ray optics. Instead, it uses an array of lightweight collimator plates matched to the sensors, employing lead-glass Micro-Pore Optics (MPO) technology to limit the field of view. To support the development of the LAD instrument, a dedicated X-ray facility was designed and constructed at the INAF-IAPS laboratories in Rome for the study and characterization of collimators. This facility is capable of measuring the collimator plates’ point-by-point angular response about different axes at several energies with an accuracy of 1′. Additionally, the facility includes a software pipeline that manages the measurements without constant user supervision, enabling thorough testing of large batches of collimator samples.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Alessio Nuti, Francesco Ceraudo, Giovanni Della Casa, Ettore Del Monte, Giuseppe Dilillo, Yuri Evangelista, Marco Feroci, and Giovanni Lombardi "Development of a facility for high accuracy and precision characterization of Micro-Pore Optics collimators", Proc. SPIE 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray, 130936V (21 August 2024); https://doi.org/10.1117/12.3020262

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