High efficiency KrF laser of high output per volume by electron beam excitation.

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  • Takuma Hiroshi
    Institute for Laser Science, University of Electro-Communications
  • Ueda Ken-ichi
    Institute for Laser Science, University of Electro-Communications

Bibliographic Information

Other Title
  • 電子ビーム励起高効率・高出力密度ＫｒＦレーザー
  • デンシ ビーム レイキ コウ コウリツ コウ シュツリョク ミツド KrF レ

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Abstract

An electron-beam pumped KrF laser has been developed as a part of an assessment study of the KrF laser as an energy driver for inertial fusion reactor. As the result of a parametric study of the laser medium kinetics and several technical developments, it has been shown experimentally that high efficiency operation of the KrF laser is possible under a high excitation rate of some 1 MW /cm3, obtaining as much as 82 J of 249 nm output of 100 ns duration by an internal efficiency of more than 10 % and electrical efficiency of 2.5 % from an active volume of 6.2 litter.

Journal

  • Kakuyūgō kenkyū

    Kakuyūgō kenkyū 53 (4), 276-297, 1985

    The Japan Society of Plasma Science and Nuclear Fusion Research

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