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Title: Laser-driven ICF experiments: Laboratory Report No. 223

Technical Report ·
DOI:https://doi.org/10.2172/7170122· OSTI ID:7170122

Laser irradiation uniformity is a key issue and is treated in some detail. The basic irradiation uniformity requirements and practical ways of achieving these requirements are both discussed, along with two beam-smoothing techniques: induced spatial incoherence (ISI), and smoothing by spectral dispersion (SSD). Experiments to measure and control the irradiation uniformity are also highlighted. Following the discussion of irradiation uniformity, a brief review of coronal physics is given, including the basic physical processes and their experimental signatures, together with a summary of pertinent diagnostics and results from experiments. Methods of determining ablation rates and thermal transport are also described. The hydrodynamics of laser-driven targets must be fully understood on the basis of experiments. Results from implosion experiments, including a brief description of the diagnostics, are presented. Future experiments aimed at determining ignition scaling and demonstrating hydrodynamically equivalent physics applicable to high-gain designs.

Research Organization:
Rochester Univ., NY (United States). Lab. for Laser Energetics
Sponsoring Organization:
USDOE; USDOE, Washington, DC (United States)
DOE Contract Number:
FC03-85DP40200
OSTI ID:
7170122
Report Number(s):
DOE/DP/40200-222; ON: DE92040663
Country of Publication:
United States
Language:
English