Abstract
A new Fresnel interferometer is used to investigate the temporal coherence of the 13.9 nm Ni-like Ag X-ray laser. The results obtained show a coherence time of approximate to 3 ps, corresponding to a spectral linewidth Delta lambda of 0.7 m angstrom, which is narrow. The pulse duration, also measured in this experiment, is shown to be close to the Fourier-transform limit. Finally, we discuss the implications of the high temporal coherence of the X-ray laser on the structure of the far-field pattern of the beam. (C) 2005 Elsevier Ltd. All rights reserved.
| Original language | English |
|---|---|
| Pages (from-to) | 370-380 |
| Number of pages | 11 |
| Journal | Journal of Quantitative Spectroscopy and Radiative Transfer |
| Volume | 99 |
| Issue number | 1-3 |
| DOIs | |
| Publication status | Published - 2006 |
Keywords
- X-ray laser
- coherence
- spectral width
- interferometry
- PULSE
- INTERFEROMETER
- GAIN
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