New concept large-area narrow-field CZT telescope for formation flying

L. Natalucci; P. Ubertini; E. Quadrini; P. Von Ballmoos; M. Alderighi; S. Di Cosimo; M. Fiorini; M. Frutti; M. Uslenghi

doi:10.1117/12.671797

27 June 2006 New concept large-area narrow-field CZT telescope for formation flying

L. Natalucci, P. Ubertini, E. Quadrini, P. Von Ballmoos, M. Alderighi, S. Di Cosimo, M. Fiorini, M. Frutti, M. Uslenghi

Proceedings Volume 6266, Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray; 62662B (2006) https://doi.org/10.1117/12.671797
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

The development of formation flying technology in space has opened a new window for astronomy at hard X-γ-ray wavelenghts, allowing observations with unprecedented angular resolution (location accuracy of the order of few arcsec). This has stimulated the development of new concepts for imaging instruments: on one side, the focusing telescopes like γ-ray lens, using small,well shielded detector volumes, on the other side very large area γ-ray imagers, both allowing a big step in sensitivity. We report on a study for the concept of a large area (1 square meter), narrow field coded mask telescope with arcsec imaging capability, based on CZT detector technology and active collimation system, made of Si microstrip detector modules and operating in the energy band 15-500 keV. Feasibility and performance characteristics are discussed as well as possible geometric configurations and background suppression schemes, in the light of data obtained from INTEGRAL/IBIS and other CdTe/CZT instruments currently in space.

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L. Natalucci, P. Ubertini, E. Quadrini, P. Von Ballmoos, M. Alderighi, S. Di Cosimo, M. Fiorini, M. Frutti, and M. Uslenghi "New concept large-area narrow-field CZT telescope for formation flying", Proc. SPIE 6266, Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray, 62662B (27 June 2006); https://doi.org/10.1117/12.671797

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KEYWORDS

Sensors

Collimators

Space telescopes

Telescopes

Spatial resolution

Silicon

Hard x-rays

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