论文信息 - Efficient extreme ultraviolet emission from one-dimensional spherical plasmas produced by multiple lasers - 字舞流文

Efficient extreme ultraviolet emission from one-dimensional spherical plasmas produced by multiple lasers

We demonstrate high conversion efficiency for extreme ultraviolet (EUV) emission at 6.5–6.7 nm from multiple laser beam-produced one-dimensional spherical plasmas. Multiply charged-state ions produce strong resonance emission lines, which combine to yield intense unresolved transition arrays (UTAs) in Gd, Tb, and Mo. At an optimum laser intensity of 1 × 1012 W/cm2, which is estimated to yield an electron temperature of around 100 eV, the maximum in-band EUV conversion efficiency (CE) was observed to be 0.8%, which is one of the highest values ever reported due to the reduction of plasma expansion loss.

Hiroshi Azechi | Chihiro Suzuki | Bowen Li | Hiroaki Nishimura | Shinsuke Fujioka | Takeshi Higashiguchi | Atsushi Sunahara | Enda Scally | Masaharu Nishikino | Tatsuya Yanagida | Hayato Ohashi | Takeo Ejima | Nozomi Tanaka | Kentaro Tomita | Ryoichi Hirose | Yuhei Suzuki | A. Sunahara | T. Ejima | M. Nishikino | Yuhei Suzuki | C. Suzuki | M. Kawasaki | S. Fujioka | H. Azechi | H. Nishimura | K. Tomita | T. Yanagida | Bowen Li | H. Ohashi | T. Higashiguchi | N. Tanaka | Gerry O’Sullivan | K. Yoshida | Teruyuki Ugomori | Masato Kawasaki | Teruyuki Ugomori | R. Hirose | Kensuke Yoshida | E. Scally | G. O’Sullivan

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