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Conferences > HPSLP > 1989 > PDP > PDP3

Direct Measurement of the Duration of Sub-Picosecond Soft X-Ray Pulse

L.D. van Woerkom, R.R. Freeman, S. Davey, W.E. Cooke, and T.J. McIlrath

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Abstract

We have measured, with 100 fsec resolution, the sub-picosecond pulse duration of a soft-xray pulse produced from a laser plasma driven by a high intensity, 300 fsec 308 nm laser. The technique employs the cross correlation of a 100 fsec 616 nm laser pulse with the x-ray pulse in high density krypton. The 616nm laser pulse effectively " switches" the absorption of the x-rays in the krypton off and on with a resolution exactly equal to its pulse duration.

© 1989 Optical Society of America

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