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  Collimators for x-ray astronomical optics

Mori, H., & Friedrich, P. (2022). Collimators for x-ray astronomical optics. In A. Santangelo, & C. Bambi (Eds.), Handbook of X-ray and Gamma-ray Astrophysics. Singapore: Springer Singapore. doi:10.1007/978-981-16-4544-0_10-1.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-000D-3CC2-5 Versions-Permalink: https://hdl.handle.net/21.11116/0000-000D-3CC3-4
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Collimators for X-Ray Astronomical Optics.pdf (beliebiger Volltext), 3MB
 
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 Urheber:
Mori, Hideyuki, Autor
Friedrich, Peter1, Autor           
Affiliations:
1High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society, ou_159890              

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 Zusammenfassung: An X-ray collimator, or baffle, can be installed in the X-ray optics of an X-ray telescope. This component is placed in front of an X-ray mirror to protect the mirror from severe in-orbit thermal environment or to limit the mirror’s field of view. Although the latter may be a disadvantage in the viewpoint of observational performance, the collimation of incident X-rays allows us to block X-rays with large off-axis angles. Thus, the mount of the X-ray collimator results in the reduction of an extended ghost image in the detector field of view that is created by the X-rays, called stray light, with abnormal paths inside the X-ray mirror. The contamination of the stray light hampers both imaging and spectroscopic observations of dim X-ray emission from a spatially extended source or a faint point source. The improvement of the angular resolution and the effective area is intensively pursued for the next-generation X-ray optics. In parallel, it is a vital issue to reduce the stray light as low as possible to fully achieve the expected performance of these future X-ray optics.

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Sprache(n): eng - English
 Datum: 2022-11-292022
 Publikationsstatus: Erschienen
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 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.1007/978-981-16-4544-0_10-1
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Titel: Handbook of X-ray and Gamma-ray Astrophysics
Genre der Quelle: Buch
 Urheber:
Santangelo, Andrea , Herausgeber
Bambi, Cosimo , Herausgeber
Affiliations:
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Ort, Verlag, Ausgabe: Singapore : Springer Singapore
Seiten: XX, 5000 Band / Heft: - Artikelnummer: - Start- / Endseite: - Identifikator: ISBN: 978-981-19-6959-1
ISBN: 978-981-16-4544-0