Neutron imaging of the deuterium-tritium tamping gas volume in an inertial confinement fusion hohlraum.

• DOI: 10.1063/5.0219564
• Publication Date: 2024-10-01
• Authors: N. Izumi; D. P. Higginson; M. D. Rosen; William Riedel; Brian Haines; D. N. Fittinghoff; P. L. Volegov; A. E. Youmans; A. Kemp; T. Chapman; Christopher R. Hardy; J. M. Gjemso; C. Waltz; S. Rogers; B. N. Woodworth; Timothy G. Sarginson; Rtf Cheung; N. Masters; Ruben M. Sandoval; Thomas J. Cunningham; Rafael Ramı́rez; J. P. Holder; R L Reynolds; D. M. Holunga; T. M. Briggs; S. Vonhof; N. Roskopf; D. J. Schlossberg; A. S. Moore; S. Kerr; Kelly Hahn; B. L. Reichelt; A. J. Mackinnon; J. D. Moody; J. S. Ross; D. E. Hinkel
• Keywords: Hohlraum

To benchmark the accuracy of models and improve predictive capability future experiments, National Ignition Facility requires measurements physical conditions inside inertial confinement fusion hohlraums. The ion temperature bulk motion velocity gas-filled regions hohlraum can be obtained by replacing helium tamping gas in with deuterium-tritium (DT) measuring Doppler broadening shift neutron spectrum produced nuclear reactions hohlraum. understand spatial distribution production hohlraum, we have developed a new penumbral imager 12 mm diameter field view using simple tungsten alloy spindle. We performed first experiment this on DT successfully plasma. will report design spindle, characterization detectors, methodology image reconstruction.