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Title: Evolution of Gas Cell Targets for Magnetized Liner Inertial Fusion Experiments at the Sandia National Laboratories PECOS Test Facility

Journal Article · · Fusion Science and Technology
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  1. General Atomics, San Diego, CA (United States)
  2. Luxel Corp., Friday Harbor, WA (United States)
  3. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
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Z-Beamlet (ZBL) experiments conducted at the PECOS test facility at Sandia National Laboratories (SNL) investigated the nonlinear processes in laser plasma interaction (or laserplasma instabilities LPI) that complicate the deposition of laser energy by enhanced absorption, backscatter, filamentation and beam-spray that can occur in large-scale laser-heated gas cell targets. These targets and experiments were designed to provide better insight into the physics of the laser preheat stage of the Magnetized Liner Inertial Fusion (MagLIF) scheme being tested on the SNL Z-machine. The experiments aim to understand the tradeoffs between laser spot size, laser pulse shape, laser entrance hole (LEH) window thickness, and fuel density for laser preheat. Gas cell target design evolution and fabrication adaptations to accommodate the evolving experiment and scientific requirements are also described in this paper.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); General Atomics, San Diego, CA (United States)
Sponsoring Organization:
USDOE Office of Nuclear Energy (NE)
Grant/Contract Number:
NA0001808
OSTI ID:
1438486
Journal Information:
Fusion Science and Technology, Vol. 73, Issue 3; ISSN 1536-1055
Publisher:
American Nuclear SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 1 work
Citation information provided by
Web of Science

References (7)

Experiments and multiscale simulations of laser propagation through ignition-scale plasmas journal September 2007
High-Gain Magnetized Inertial Fusion journal January 2012
Design of magnetized liner inertial fusion experiments using the Z facility journal July 2014
Pulsed-power-driven cylindrical liner implosions of laser preheated fuel magnetized with an axial field journal May 2010
Constitutive Models for the Viscoelastic Behavior of Polyimide Membranes at Room and Deep Cryogenic Temperatures journal September 2016
Laser Entrance Hole Window Burst and Pressure Deflections at Cryogenic Temperature journal January 2011
Scaling magnetized liner inertial fusion on Z and future pulsed-power accelerators journal February 2016

Cited By (1)

Constraining preheat energy deposition in MagLIF experiments with multi-frame shadowgraphy journal March 2019

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Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
42 ENGINEERING
Gas cell targets
Z-beamlet
magnetized liner inertial fusion