Annie Klisnick et al 2001 Meas. Sci. Technol. 12 1813 doi:10.1088/0957-0233/12/11/308
Annie Klisnick1, Jaroslav Kuba1,2, David Ros1, Ray Smith1,3, Gérard Jamelot1 and Antoine Carillon1
Show affiliationsWe summarize the progress achieved at LSAI in the understanding and optimization of the transient collisional pumping of x-ray lasers using an ultra-short picosecond heating pulse. A strong ×300-400 enhancement of the 13.9 nm Ni-like 4d-4p lasing emission is obtained when a travelling-wave short pulse irradiates the preformed plasma. The temporal history of the 13.9 nm laser pulse is measured with a high-resolution streak camera. A very short, 2 ps x-ray laser pulse is directly demonstrated for the first time.
42.55.Vc X- and gamma-ray lasers
42.65.Re Ultrafast processes; optical pulse generation and pulse compression
02.60.Pn Numerical optimization
42.60.Jf Beam characteristics: profile, intensity, and power; spatial pattern formation
Issue 11 (November 2001)
Received 18 April 2001, accepted for publication 3 September 2001, in final form 22 August 2001
Published 9 October 2001
Annie Klisnick et al 2001 Meas. Sci. Technol. 12 1813
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