Fast Ignition without Hole Boring

S. Hain and P. Mulser
Phys. Rev. Lett. 86, 1015 – Published 5 February 2001
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Abstract

A fast-ignitor scheme for inertial confinement fusion is proposed which works without hole boring. It is shown that a thermonuclear burn wave starts from the pellet corona when an adequate amount of energy (typically 10 kJ) is deposited in the critical layer by a petawatt laser (“coronal ignition”). Burn efficiencies as high as predicted for standard central spark ignition are achieved. In addition, the scheme is surprisingly insensitive to large deviations from spherical precompression symmetry. It may open a new prospect for direct drive.

  • Received 31 August 2000

DOI:https://doi.org/10.1103/PhysRevLett.86.1015

©2001 American Physical Society

Authors & Affiliations

S. Hain and P. Mulser

  • Theoretical Quantum Electronics (TQE), Darmstadt University of Technology, Hochschulstrasse 4A, D-64289 Darmstadt, Germany

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Issue

Vol. 86, Iss. 6 — 5 February 2001

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