Radiation effects on active camera electronics in the target chamber at the National Ignition Facility

M. Dayton; P. Datte; A. Carpenter; M. Eckart; A. Manuel; H. Khater; D. Hargrove; P. Bell

doi:10.1117/12.2274811

24 August 2017 Radiation effects on active camera electronics in the target chamber at the National Ignition Facility

M. Dayton, P. Datte, A. Carpenter, M. Eckart, A. Manuel, H. Khater, D. Hargrove, P. Bell

Proceedings Volume 10390, Target Diagnostics Physics and Engineering for Inertial Confinement Fusion VI; 1039007 (2017) https://doi.org/10.1117/12.2274811
Event: SPIE Optical Engineering + Applications, 2017, San Diego, California, United States

Abstract

The National Ignition Facility’s (NIF) harsh radiation environment can cause electronics to malfunction during high-yield DT shots. Until now there has been little experience fielding electronic-based cameras in the target chamber under these conditions; hence, the performance of electronic components in NIF’s radiation environment was unknown. It is possible to purchase radiation tolerant devices, however, they are usually qualified for radiation environments different to NIF, such as space flight or nuclear reactors. This paper presents the results from a series of online experiments that used two different prototype camera systems built from non-radiation hardened components and one commercially available camera that permanently failed at relatively low total integrated dose. The custom design built in Livermore endured a 5 × 10¹⁵ neutron shot without upset, while the other custom design upset at 2 × 10¹⁴ neutrons. These results agreed with offline testing done with a flash x-ray source and a 14 MeV neutron source, which suggested a methodology for developing and qualifying electronic systems for NIF. Further work will likely lead to the use of embedded electronic systems in the target chamber during high-yield shots.

Conference Presentation

Citation Download Citation

M. Dayton, P. Datte, A. Carpenter, M. Eckart, A. Manuel, H. Khater, D. Hargrove, and P. Bell "Radiation effects on active camera electronics in the target chamber at the National Ignition Facility", Proc. SPIE 10390, Target Diagnostics Physics and Engineering for Inertial Confinement Fusion VI, 1039007 (24 August 2017); https://doi.org/10.1117/12.2274811

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