Initial experimental demonstration of the principles of a xenon gas shield designed to protect optical components from soft x-ray induced opacity (blanking) in high energy density experiments

The design principles of a xenon gas shield device that is intended to protect optical components from x-ray induced opacity (“x-ray blanking”) have been experimentally demonstrated at the OMEGA-60 Laser Facility at the Laboratory for Laser Energetics, University of Rochester. A volume of xenon gas...

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Veröffentlicht in:Physics of plasmas 2017-03, Vol.24 (3)
Hauptverfasser: Swadling, G. F., Ross, J. S., Manha, D., Galbraith, J., Datte, P., Sorce, C., Katz, J., Froula, D. H., Widmann, K., Jones, O. S., Divol, L., Landen, O. L., Kilkenny, J. D., Moody, J. D.
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Sprache:eng
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Zusammenfassung:The design principles of a xenon gas shield device that is intended to protect optical components from x-ray induced opacity (“x-ray blanking”) have been experimentally demonstrated at the OMEGA-60 Laser Facility at the Laboratory for Laser Energetics, University of Rochester. A volume of xenon gas placed in front of an optical component absorbs the incoming soft x-ray radiation but transmits optical and ultra-violet radiation. The time-resolved optical (532 nm) transmission of samples was recorded as they were exposed to soft x-rays produced by a gold sphere source (1.5 kJ sr−1, 250–300 eV). Blanking of fused silica (SiO2) was measured to occur over a range of time-integrated soft x-ray (
ISSN:1070-664X
1089-7674
DOI:10.1063/1.4978577