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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Rauch, J.E. Gersten-Rauch, M. Burger, A. McGregor, D.S. Hunt, A.W. Spaulding, R. King, D. Beutler, D. Riordan, J. Failor, B. Levine, J. Niansheng Qi Sze, H. Coleman, P. Sobolewski, R. Verevkin, A. Young, F. Davies, F. Delacruz, C. Campbell, K. Verma, A. |
| Copyright Year | 2006 |
| Description | Author affiliation: Nu-Trek, Inc., Poway, CA (Rauch, J.E.; Gersten-Rauch, M.) |
| Abstract | We developed four types of GaAs PCDs: bremsstrahlung (two types), soft X-ray, and gamma for pulsed reactors. GaAs PCDs are advantageous in applications that require fast response, high dose rate, and/or neutron insensitivity. Desired detector sensitivity and response were obtained through modification of carrier lifetime by neutron irradiation, size of the sensing element, and orientation of the sensing element. The GaAs PCDs were used to characterize pulsed radiation sources in over 10 different tests and the measured data from these tests are presented. GaAs PCDs (E7 - E11 rad(Si)/s) for use with pulsed bremsstrahlung sources were tested at DTRA Radiation sources, Linac (Idaho Accelerator Center), Linac (White Sands), hybrid radiation source (NRL), GAMBLE II (NRL), and HERMES III (Sandia). GaAs PCDs for gamma characterization in pulsed reactors (E6 - E7 rad(Si)/s) were calibrated with a Linac (White Sands), checked for high dose rate (E12 rad(Si)/s) response at HERMES III, checked for low dose rate response (5-500 rad(Si)/s) and stability at a Co-60 source (Sandia), and checked for stability, sensitivity, and residual radioactivity at the ACCR reactor (Sandia). Soft X-ray (1 to 15 keV) GaAs PCDs (E2-E6 $Watts/cm^{2})$ were used to measure the argon plasma free-bound continuum temperature from a plasma radiation source (PRS) and compared with the plasma temperature obtained from line ratio measurements. |
| Starting Page | 572 |
| Ending Page | 575 |
| File Size | 3095241 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780391896 |
| DOI | 10.1109/PPC.2005.300723 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-06-13 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Photoconducting materials Pulse measurements Gallium arsenide Power measurement X-rays Plasma measurements Plasma temperature Inductors Testing Linear particle accelerator |
| Content Type | Text |
| Resource Type | Article |
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