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Short-pulse pumping of a recombination Balmer-α laser of hydrogenic sodium

1990; Optica Publishing Group; Volume: 15; Issue: 18 Linguagem: Inglês

10.1364/ol.15.001011

1539-4794

H. Azuma, S. A. Ramsden, G. J. Pert, S. J. Rose, Yoichi Kato, K. Yamakawa, Tetsuro Tachi, MAKI NISHIO, H. Shiraga, S. Nakai,

Solid State Laser Technologies

A NaF foil target was irradiated at an intensity of 6.0 x 10(14) W/cm(2) with a 28-psec, 526-nm, 23-J laser pulse. A space- and time-averaged gain coefficient of 4 +/- 1 cm(-1) was obtained for Na XI H-alpha at 5.42 nm. Computer simulation gives a peak time- and space-resolved gain of ~18 cm(-1).