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InFOCμS balloon-borne hard x-ray experiment with multilayer supermirror x-ray telescope

  • Y. Tawara
  • , K. Yamashita
  • , Y. Ogasaka
  • , K. Tamura
  • , K. Haga
  • , T. Okajima
  • , S. Ichimaru
  • , S. Takahashi
  • , A. Gotou
  • , H. Kitou
  • , S. Fukuda
  • , Y. Kamata
  • , A. Furuzawa
  • , F. Akimoto
  • , T. Yoshioka
  • , K. Kondou
  • , Y. Haba
  • , T. Tanaka
  • , H. Kunieda
  • , K. Misaki
  • J. Tueller, P. J. Serlemitsos, K. W. Chan, Y. Soong, S. M. Owens, F. Berendse, W. H. Baugartner, H. Krimm, H. Barber, E. T. Young

Research output: Contribution to journalArticlepeer-review

Abstract

We have been developing the high throughput hard X-ray telescope, using reflectors coated with the depth graded multilayer known as supermirror, which is considered to be a key technology for future satellite hard X-ray imaging missions. InFOCμS, the International Focusing Optics Collaboration for μ-Crab Sensitivity is the project of the balloon observation of cosmic hard X-ray source with this type of hard X-ray telescope and CdZnTe pixel detector as a focal plane imager. For the first InFOCμS balloon experiment, we developed the hard X-ray telescope with outermost diameter of 40cm, focal length of 8m and energy band pass of 20 - 40 keV, for which Pt/C multilayer was used. From the pre-flight X-ray calibration, we confirmed its energy band and imaging capability of 2 arcmin HPD and 10 arcmin FOV of FWHM, and a effective area of 50 cm2 for 20 - 40 keV X-ray. We report the current status of our balloon borne experiment and performance of our hard X-ray telescope.

Original languageEnglish
Pages (from-to)109-114
Number of pages6
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4496
DOIs
Publication statusPublished - 2002
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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