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Highly Directive 18.9 nm Nickel-like Molybdenum X-Ray Laser Operating at 150 mJ Pump Energy

2002; American Physical Society; Volume: 89; Issue: 25 Linguagem: Inglês

10.1103/physrevlett.89.253902

1092-0145

T. Ozaki, R. A. Ganeev, Atsushi Ishizawa, Tsuneto Kanai, Hiroto Kuroda,

Laser-Plasma Interactions and Diagnostics

We experimentally demonstrate that by longitudinally pumping 2 mm long molybdenum preformed plasma with high-intensity 475 fs duration laser pulse, a highly directive soft-x-ray laser at 18.9 nm wavelength is generated. The divergence of the beam is evaluated to be of the submilliradian order, and only requires a pump laser energy of 150 mJ.