The National Ignition Facility (NIF), operating at green (2ω) light, has the potential to drive ignition targets with significantly more energy than the 1.8 MJ it will produce in its baseline, blue (3ω) operations. This results in a greatly increased "target design space ", providing a number of exciting opportunities for fusion research including the possibility of ignition experiments with capsules absorbing energies in the vicinity of 1 MJ. We report the progress made exploring 2ω for NIF ignition, including potential 2ω laser performance, 2ω ignition target designs and 2ω Laser Plasma Interaction (LPI) studies.
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