Gain saturation of the Ni-like X-ray lasers

J.Y. Lin, G.J. Tallents, J. Zhang, A.G. MacPhee, Ciaran Lewis, D. Neely, J. Nilsen, G.J. Pert, R.M.N. O'Rourke, R. Smith, E. Wolfrum

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Abstract

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.
Original languageEnglish
Pages (from-to)55-60
Number of pages6
JournalOptics Communications
Volume158
Issue number1-6
Publication statusPublished - 15 Dec 1998

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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    Lin, J. Y., Tallents, G. J., Zhang, J., MacPhee, A. G., Lewis, C., Neely, D., Nilsen, J., Pert, G. J., O'Rourke, R. M. N., Smith, R., & Wolfrum, E. (1998). Gain saturation of the Ni-like X-ray lasers. Optics Communications, 158(1-6), 55-60.