Lewis, Ciaran

Lin, J.Y.

MacPhee, A.G.

Neely, D.

Nilsen, J.

O'Rourke, R.M.N.

Pert, G.J.

Smith, R.

Tallents, G.J.

Wolfrum, E.

Zhang, J.

Driven by a double 75 ps pulse with 2.2 ns separation, saturated operation of nickel-like Ag, In, Sn, and Sm X-ray lasers have been demonstrated with only 75 J drive energy on target. The variation of X-ray laser output with target length is found to fit well to a simple model for an amplified spontaneous emission (ASE) laser including saturation. Small signal gains of similar to 10 cm(-1), effective gain length products of similar to 18, and saturation irradiance of (1-5)x 10(10) W/cm(2) are measured for these lasers using a fitting procedure. (C) 1998 Elsevier Science B.V. All rights reserved

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Gain saturation of the Ni-like X-ray lasers

Gain saturation of the Ni-like X-ray lasers

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