The saturn target for polar direct drive on the national ignition facility.
نویسندگان
چکیده
A new target design concept is proposed for direct-drive implosions while the National Ignition Facility is in its initial, indirect-drive configuration. It differs from earlier "polar-direct-drive" designs by adding a low-Z ring around the capsule equator. Refraction in the plasma formed around this ring permits time-dependent tuning of the capsule drive uniformity. An optimized simulation shows an implosion-velocity nonuniformity at the end of the laser pulse of approximately 1% rms for a cryogenic deuterium-tritium shell, enhancing the prospects for an early direct-drive ignition demonstration on the National Ignition Facility.
منابع مشابه
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عنوان ژورنال:
- Physical review letters
دوره 94 9 شماره
صفحات -
تاریخ انتشار 2005