Ir/C multilayers for the NewAthena x-ray mirrors

S. Svendsen; D. D. M. Ferreira; S. Massahi; D. Paredes-Sanz; N. Gellert; A. S' Jegers; F. E. Christensen; A. Thete; B. Landgraf; D. Girou; M. Collon; D. Skroblin; L. Cibik; C. Gollwitzer; M. Krumrey; I. Ferreira; M. Bavdaz

doi:10.1117/12.3020334

21 August 2024 Ir/C multilayers for the NewAthena x-ray mirrors

S. Svendsen, D. D. M. Ferreira, S. Massahi, D. Paredes-Sanz, N. Gellert, A. S' Jegers, F. E. Christensen, A. Thete, B. Landgraf, D. Girou, M. Collon, D. Skroblin, L. Cibik, C. Gollwitzer, M. Krumrey, I. Ferreira, M. Bavdaz

Author Affiliations +

Proceedings Volume 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray; 130934T (2024) https://doi.org/10.1117/12.3020334
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

Development and qualification of X-ray reflective mirror coatings for the NewAthena mission is progressing with a focus on enabling scientific capabilities of the telescope, given the updated requirements of the redefined mission. In this work, we consider both design and development of Ir/C multilayer coatings optimised to ensure the required performance across the spectral range, facilitating the mission science objectives. We present demonstration of manufacturing capability for the optimised Ir/C multilayer coatings, and compatibility with the Silicon Pore Optics (SPO) technology. Characterisation of X-ray mirror coatings is performed using X-ray reflectometry with a focus on mirror design qualification and long-term stability.

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S. Svendsen, D. D. M. Ferreira, S. Massahi, D. Paredes-Sanz, N. Gellert, A. S' Jegers, F. E. Christensen, A. Thete, B. Landgraf, D. Girou, M. Collon, D. Skroblin, L. Cibik, C. Gollwitzer, M. Krumrey, I. Ferreira, and M. Bavdaz "Ir/C multilayers for the NewAthena x-ray mirrors", Proc. SPIE 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray, 130934T (21 August 2024); https://doi.org/10.1117/12.3020334

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