Testing of a gamma ray imaging system at Omega

Daniel A. Lemieux; H. Bradford Barber; Gary P. Grim; David D. Clark; Christopher R. Danly; Robert Aragonez; Jeffrey Griego; Valerie Fatherley; Daivd Fastje

doi:10.1117/12.2024400

26 September 2013 Testing of a gamma ray imaging system at Omega

Daniel A. Lemieux, H. Bradford Barber, Gary P. Grim, David D. Clark, Christopher R. Danly, Robert Aragonez, Jeffrey Griego, Valerie Fatherley, Daivd Fastje

Author Affiliations +

Proceedings Volume 8854, Penetrating Radiation Systems and Applications XIV; 88540F (2013) https://doi.org/10.1117/12.2024400
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

Successful images of hard x-rays were taken at the OMEGA Laser at the Laboratory for Laser energetics ant he University of Rochester. This facility served as a surrogate for the National Ignition Facility for which this system was designed. Eleven plastic shells filled with ³He pellets were imploded producing soft and hard x-rays. As the system was designed to image 4.44MeV gammas the hard x-rays were of particular interest. These bremsstrahlung x-rays were emitted for the outer plastic shell and imaged using the gamma ray imaging system 13 meters away. A number of filtering arrangements were used to do transmission radiography of the source providing spectrum information. A 200-micron pinhole aperture was used to image the source. These shots provide information critical in characterizing the performance of the system

Citation Download Citation

Daniel A. Lemieux, H. Bradford Barber, Gary P. Grim, David D. Clark, Christopher R. Danly, Robert Aragonez, Jeffrey Griego, Valerie Fatherley, and Daivd Fastje "Testing of a gamma ray imaging system at Omega", Proc. SPIE 8854, Penetrating Radiation Systems and Applications XIV, 88540F (26 September 2013); https://doi.org/10.1117/12.2024400

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