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A stacked prism lens concept for next-generation hard X-ray telescopes
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- Mi, Wujun, 1986- (author)
- KTH,Medicinsk bildfysik,Medical Imaging
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- Nillius, Peter, 1969- (author)
- KTH,Medicinsk bildfysik
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- Pearce, Mark, 1970- (author)
- KTH,Partikel- och astropartikelfysik,The Oskar Klein Centre for Cosmoparticle Physics, AlbaNova University Centre, Stockholm, Sweden
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- (creator_code:org_t)
- 2019-06-17
- 2019
- English.
- In: Nature Astronomy. - United Kingdom : Springer Science and Business Media LLC. - 2397-3366.
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Effective collecting area, angular resolution, field of view and energy response are fundamental attributes of X-ray telescopes. The performance of state-of-the-art telescopes is currently restricted by Wolter optics, especially for hard X-rays. Here we report the development of a stacked prism lens (SPL), which is lightweight and modular and has the potential for a significant improvement in effective area, while retaining high angular resolution. The proposed optics are built by stacking disks embedded with prismatic rings, created with photoresist by focused ultraviolet lithography. We demonstrate the SPL approach using a prototype lens that was manufactured and characterized at a synchrotron radiation facility. The design of a potential satellite-borne X-ray telescope is outlined and the performance is compared with contemporary missions.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Medicinteknik -- Medicinsk apparatteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Medical Engineering -- Medical Equipment Engineering (hsv//eng)
Keyword
- Fysik
- Physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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