Repeatable High Pulse Energy Laser with more than 1 kW Average Power

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  • 1 kW超級繰り返し高パルスエネルギーレーザーの開発動向
  • 1kW チョウキュウ クリカエシ コウパルスエネルギーレーザー ノ カイハツ ドウコウ

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Abstract

Repetition rate of a petawatt-class laser using Ti:Sapphire and optical parametric amplification is limited by a high energy pump source. Increasing the repetition rate (average power), in addition to efficient heat removal from the laser material of the pump source, thermal distribution is a significant problem, which results in wavefront distortion. Active-mirror is one of the promising amplifiers due to its high heat removal and insensitivity to thermal wavefront distortion. A 10 J, 100 Hz, 1 kW active-mirror laser will be demonstrated in 2018‒2019 as a feasibility study for 100 J.

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