Narrow-band x-ray imaging for core temperature and density maps retrieval of direct drive implosions

Riccardo Tommasini; Jeffrey A. Koch; Nobuhiko Izumi; Leslie A. Welser; Roberto C. Mancini; Jacques Delettrez; Sean P. Regan; Vladimir Smalyuk

doi:10.1117/12.681271

29 August 2006 Narrow-band x-ray imaging for core temperature and density maps retrieval of direct drive implosions

Riccardo Tommasini, Jeffrey A. Koch, Nobuhiko Izumi, Leslie A. Welser, Roberto C. Mancini, Jacques Delettrez, Sean P. Regan, Vladimir Smalyuk

Author Affiliations +

Proceedings Volume 6317, Advances in X-Ray/EUV Optics, Components, and Applications; 631716 (2006) https://doi.org/10.1117/12.681271
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

We present recent results using multi-monochromatic X-ray imaging of direct drive implosions at the OMEGA laser facility. An array of pinholes coupled to a flat multilayer mirror provides multi-spectral images distributed over a wide spectral range. Using Argon as a dopant in the DD-filled plastic shells produces emission images in the Ar He-β and Ly-β spectral regions. When used in conjunction with gated imaging detectors the instrument provides images with spatial resolution of ~10μm and temporal resolution of ~50ps. A special algorithm has been developed to reconstruct narrow-band images, which will allow the retrieval of temperature, and density maps of the core as it evolves through peak compression.

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Riccardo Tommasini, Jeffrey A. Koch, Nobuhiko Izumi, Leslie A. Welser, Roberto C. Mancini, Jacques Delettrez, Sean P. Regan, and Vladimir Smalyuk "Narrow-band x-ray imaging for core temperature and density maps retrieval of direct drive implosions", Proc. SPIE 6317, Advances in X-Ray/EUV Optics, Components, and Applications, 631716 (29 August 2006); https://doi.org/10.1117/12.681271

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