Observation of high transient gain in the germanium x-ray laser at 19.6 nm

P.J. Warwick, Ciaran Lewis, M.P. Kalachnikov, P.V. Nickles, M. Schnurer, A. Behjat, A. Demir, G.J. Tallents, D. Neely, E. Wolfrum

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Abstract

The transient-excitation pumping scheme, in which a picosecond duration pulse rapidly heats the plasma preformed by a low-intensity nanosecond pulse, was used to pump the Ne-like germanium, J = 0-1 transition at 19.6 nm. A small-signal gain coefficient of 30 cm(-1) was measured for targets less than or equal to 5 mm long. (C) 1998 Optical Society of America.
Original languageEnglish
Pages (from-to)1808-1814
Number of pages7
JournalJOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volume15
Issue number6
Publication statusPublished - Jun 1998

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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    Warwick, P. J., Lewis, C., Kalachnikov, M. P., Nickles, P. V., Schnurer, M., Behjat, A., Demir, A., Tallents, G. J., Neely, D., & Wolfrum, E. (1998). Observation of high transient gain in the germanium x-ray laser at 19.6 nm. JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, 15(6), 1808-1814.