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20 November 2017 Design and development of the multilayer optics for the new hard x-ray mission
G. Pareschi, S. Basso, O. Citterio, D. Spiga, G. Tagliaferri, M. Civitani, L. Raimondi, G. Sironi, V. Cotroneo, B. Negri, Giancarlo Parodi, F. Martelli, G. Borghi, A. Orlandi, D. Vernani, G. Valsecchi, R. Binda, S. Romaine, P. Gorenstein, P. Attinà
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Proceedings Volume 10565, International Conference on Space Optics — ICSO 2010; 105652O (2017) https://doi.org/10.1117/12.2309163
Event: International Conference on Space Optics—ICSO 2010, 2010, Rhodes Island, Greece
Abstract
The New Hard X-ray Mission (NHXM) project will be operated by 2017 and is currently undergoing a Phase B study, under the coordination of the Italian Space Agency (ASI). The project is being proposed by an international team in the context of the ESA Call CV M3 as a Small Mission program, with a large Italian participation. It is based on 4 hard X-ray optics modules, each formed by 60 evenly spaced multilayer coated Wolter I mirror shells. An extensible bench is used to reach the 10 m focal length. The Wolter I monolithic substrates with multilayer coating are produced in NiCo by electroforming replication. Three of the mirror modules will host in the focal plane a hybrid a detector system (a soft X-ray Si DEPFET array plus a high energy CdTe detector). The detector of the fourth telescope will be a photoelectric polarimeter with imaging capabilities, operating from 2 up to 35 keV. The total on axis effective area of the three telescopes at 1 keV and 30 kev is of 1500 cm2 and 350 cm2 respectively, with an angular resolution of 20 arcsec HEW at 30 keV. In this paper we report on the design and development of the multilayer coated X-ray mirrors based on NiCo shells.
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G. Pareschi, S. Basso, O. Citterio, D. Spiga, G. Tagliaferri, M. Civitani, L. Raimondi, G. Sironi, V. Cotroneo, B. Negri, Giancarlo Parodi, F. Martelli, G. Borghi, A. Orlandi, D. Vernani, G. Valsecchi, R. Binda, S. Romaine, P. Gorenstein, and P. Attinà "Design and development of the multilayer optics for the new hard x-ray mission", Proc. SPIE 10565, International Conference on Space Optics — ICSO 2010, 105652O (20 November 2017); https://doi.org/10.1117/12.2309163
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KEYWORDS
Mirrors
Telescopes
Space telescopes
Hard x-rays
Astronomical imaging
Multilayers
Coating
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