Time dependence of the spatial coherence of the 23.6- and 23.2-nm radiation from the germanium soft-x-ray laser

R.E. Burge, G.E. Slark, M.T. Browne, X.C. Yuan, P. Charalambous, Z. An, X.H. Cheng, Ciaran Lewis, A.G. MacPhee, D. Neely

Research output: Contribution to journalArticlepeer-review

Abstract

The time dependence of the spatial coherence of the combined spectral lines at 23.2 and 23.6 nm from the Ge XXIII collisionally pumped soft-x-ray laser with a double-slab target is examined within a single nanosecond pulse by use of Young's interference fringes and a streak camera. High source intensity is linked with low spatial coherence and vice verse. Calculations of the source intensity, size, and position have also been made; these calculations refer to a single-slab source. Comparison between the observed and calculated intensities, and of the source sizes both calculated and derived from the Young's fringes by interpretation with a Gaussian model of source emission, show good agreement in general trends. (C) 1998 Optical Society of America [S0740-3224(98)01905-5].
Original languageEnglish
Pages (from-to)1620-1626
Number of pages7
JournalJOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volume15
Publication statusPublished - 1998

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