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New-Conception-Multilayer Hard X-Ray Telescope for X-Ray Astronomy

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Imaging in High Energy Astronomy

Abstract

Several reflection techniques of hard X-rays (>10 keV) are currently under study. Among these, the reflection from two material multilayer coatings with graded d-spacing appears very promising to focus hard X-rays of energy up to about 80 keV. Taking account of the present technology to fabricate multilayers, Kirkpatrick-Baez configurations appears already feasible. We propose here new techniques to fabricate multilayers that can permit to build a Wolter I hard X-ray concentrator with great advantages in imaging performance and sensitivity. The new techniques are an extension of the replication technology by electroforming that are successfully employed for the SAX and JETX missions. A concentrator configuration based on these techniques is proposed.

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References

  • Citterio,O. and Jensen, P.:1989, ‘High throughput replica X-ray optics’, SPIE Proc. 1140,337.

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  • Joensen,K. D., Gorenstein, P.,Wood, J.,Christensen, F.E., and Hoghoj, P.: 1994, ‘Preliminary results offeasibility study for a hard X-ray Kirkpatrick-Baez telescope’ SPIE Proc. 2279,in press.

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Author information

Authors and Affiliations

  1. Osservatorio Astronomico di Brera, Merate, Italy

    O. Citterio

  2. Dipartimento di Fisica, Università di Ferrara and Istituto TESRE, CNR, Bologna, Italy

    F. Frontera

  3. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, 02138, USA

    K. Joensen & P. Gorenstein

  4. Dipartimento di Fisica, Università di Ferrara, Italy

    G. Pareschi

Authors
  1. O. Citterio
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  2. F. Frontera
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  3. K. Joensen
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  4. P. Gorenstein
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  5. G. Pareschi
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Editor information

Editors and Affiliations

  1. Istituto Tecnologie e Studio Radiazioni Extraterrestri, CNR, Bologna, Italy

    L. Bassani  & G. Di Cocco  & 

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© 1995 Springer Science+Business Media Dordrecht

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Citterio, O., Frontera, F., Joensen, K., Gorenstein, P., Pareschi, G. (1995). New-Conception-Multilayer Hard X-Ray Telescope for X-Ray Astronomy. In: Bassani, L., Di Cocco, G. (eds) Imaging in High Energy Astronomy. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0407-4_39

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  • DOI: https://doi.org/10.1007/978-94-011-0407-4_39

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-4182-9

  • Online ISBN: 978-94-011-0407-4

  • eBook Packages: Springer Book Archive

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