Actively shielded CZT focal plane detectors for the Fine Angular Resolution X-ray Imaging Telescope (FAR_XITE)

Richard E. Rothschild; Duane E. Gruber; William A. Heindl; James L. Matteson; Melville P. Ulmer; Robert I. Altkorn; Steven M. Matz; Paul L. Hink; Allen S. Krieger; Ruediger Staubert; Tumay O. Tumer

doi:10.1117/12.366561

22 October 1999 Actively shielded CZT focal plane detectors for the Fine Angular Resolution X-ray Imaging Telescope (FAR_XITE)

Richard E. Rothschild, Duane E. Gruber, William A. Heindl, James L. Matteson, Melville P. Ulmer, Robert I. Altkorn, Steven M. Matz, Paul L. Hink, Allen S. Krieger, Ruediger Staubert, Tumay O. Tumer

Author Affiliations +

Proceedings Volume 3765, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy X; (1999) https://doi.org/10.1117/12.366561
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

The FAR_XITE balloon payload concept contains 10 co-aligned, hard x-ray telescopes, each containing a set of nested multilayer mirror modules and an actively shielded CZT strip detector at each focal plane. The 500 micron strip pitch provides 26 arcsecond pixels at the 4m focal length of FAR_XITE. The active shielding and advanced CZT detector techniques reduce the background at float altitudes to a few times 10^-4 counts/cm² keV. We describe these advanced detectors and how they allow us to meet the scientific objectives of the FAR_XITE program.

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Richard E. Rothschild, Duane E. Gruber, William A. Heindl, James L. Matteson, Melville P. Ulmer, Robert I. Altkorn, Steven M. Matz, Paul L. Hink, Allen S. Krieger, Ruediger Staubert, and Tumay O. Tumer "Actively shielded CZT focal plane detectors for the Fine Angular Resolution X-ray Imaging Telescope (FAR_XITE)", Proc. SPIE 3765, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy X, (22 October 1999); https://doi.org/10.1117/12.366561

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KEYWORDS

Sensors

Mirrors

Hard x-rays

X-rays

Spatial resolution

Calibration

Space telescopes

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