Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 84, Issue 9, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4821984
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Funding
- National High-Tech R&D Program (863 Program) [2012AA01A303]
- National Natural Science Foundation of China [11075023, 9113002]
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Based on the conjugate gradient method, a simple algorithm is presented for deconvolving the temporal response of photoelectric x-ray detectors (XRDs) to reconstruct the resolved time-dependent x-ray fluxes. With this algorithm, we have studied the impact of temporal response of XRD on the radiation diagnosis of hohlraum heated by a short intense laser pulse. It is found that the limiting temporal response of XRD not only postpones the rising edge and peak position of x-ray pulses but also smoothes the possible fluctuations of radiation fluxes. Without a proper consideration of the temporal response of XRD, the measured radiation flux can be largely misinterpreted for radiation pulses of a hohlraum heated by short or shaped laser pulses. (C) 2013 AIP Publishing LLC.
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