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Astron. Astrophys. Suppl. Ser. 138, 575-576

Recent advances in CZT strip detectors and coded mask imagers

J.L. Matteson1 - D.E. Gruber1 - W.A. Heindl1 - M.R. Pelling1 - L.E. Peterson1 - R.E. Rothschild1 - R.T. Skelton1 -
P.L. Hink2 - K.R. Slavis2 - W.R. Binns2 - T. Tumer3 - G. Visser3

Send offprint request: J.L. Matteson

1 - University of California San Diego, La Jolla, CA 92093-0424, U.S.A.
2 - Washington University, St. Louis, MO 63130-4899, U.S.A.
3 - Nova R&D, Inc., Riverside, CA 92507 and University of California Riverside, Riverside, CA 92521, U.S.A.

Received December 29, 1998; accepted May 18, 1999


The UCSD, WU, UCR and Nova collaboration has made significant progress on the necessary techniques for coded mask imaging of gamma-ray bursts: position sensitive CZT detectors with good energy resolution, ASIC readout, coded mask imaging, and background properties at balloon altitudes. Results on coded mask imaging techniques appropriate for wide field imaging and localization of gamma-ray bursts are presented, including a shadowgram and deconvolved image taken with a prototype detector/ASIC and MURA mask.

Key words: balloons -- instrumentation: detectors -- gamma-rays: bursts

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