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Proceedings Article

Development of the High-Energy Focusing Telescope (HEFT) balloon experiment

[+] Author Affiliations
Fiona A. Harrison, Steven E. Boggs, Aleksey E. Bolotnikov, Walter R. Cook III, Mario A. Jimenez-Garate, Peter H. Mao, Steven M. Schindler

California Institute of Technology (USA)

Finn E. Christensen

Danish Space Research Institute (Denmark)

William W. Craig, Charles J. Hailey, David L. Windt

Columbia Univ. (USA)

Proc. SPIE 4012, X-Ray Optics, Instruments, and Missions III, 693 (July 18, 2000); doi:10.1117/12.391608
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From Conference Volume 4012

  • X-Ray Optics, Instruments, and Missions III
  • Joachim E. Truemper; Bernd Aschenbach
  • Munich, Germany | March 27, 2000


The High Energy Focusing Telescope (HEFT) is a balloon-borne experiment employing focusing optics in the hard X-ray/soft gamma-ray band (20 - 100 keV) for sensitive observations of astrophysical sources. The primary scientific objectives include imaging and spectroscopy of 44Ti emission in young supernova remnants, sensitive hard X-ray observations of obscured Active Galactic Nuclei, and spectroscopic observations of accreting high-magnetic field pulsars. Over the last four years, we have developed grazing-incidence depth-graded multilayer optics and high spectral resolution solid stat Cadmium Zinc Telluride pixel detectors in order to assemble a balloon-borne experiment with sensitivity and imaging capability superior to previous satellite missions operating in this band. In this paper, we describe the instrument design, and present recent laboratory demonstrations of the optics and detector technologies.

© (2000) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

Fiona A. Harrison ; Steven E. Boggs ; Aleksey E. Bolotnikov ; Finn E. Christensen ; Walter R. Cook III, et al.
"Development of the High-Energy Focusing Telescope (HEFT) balloon experiment", Proc. SPIE 4012, X-Ray Optics, Instruments, and Missions III, 693 (July 18, 2000); doi:10.1117/12.391608; http://dx.doi.org/10.1117/12.391608

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