Bibliographic Details
| Title: |
A high-intensity highly coherent soft X-ray femtosecond laser seeded by a high harmonic beam. |
| Authors: |
Zeltoun, Ph., Faivre, G., Sebban, S., Mocek, T., Hallou, A., Fajardo, M., Aubert, D., Balcou, Ph., Burgy, F., Douillet, O., Kazamias, S., de Lachèze-Murel, G., Lefrou, T., Le Pape, S., Mercére, P., Merdji, H., Morlens, A. S., Rousseau, J. P., Valentin, C. |
| Source: |
Nature. 9/23/2004, Vol. 431 Issue 7007, p426-429. 4p. 1 Diagram, 4 Graphs. |
| Subjects: |
X-ray lasers, Grenz rays, Synchrotrons, Optical polarization, Free electron lasers, Lasers |
| Abstract: |
Synchrotrons have for decades provided invaluable sources of soft X-rays, the application of which has led to significant progress in many areas of science and technology. But future applications of soft X-rays-in structural biology, for example-anticipate the need for pulses with much shorter duration (femtoseconds) and much higher energy (millijoules) than those delivered by synchrotrons. Soft X-ray free-electron lasers should fulfil these requirements but will be limited in number; the pressure on beamtime is therefore likely to be considerable. Laser-driven soft X-ray sources offer a comparatively inexpensive and widely available alternative, but have encountered practical bottlenecks in the quest for high intensities. Here we establish and characterize a soft X-ray laser chain that shows how these bottlenecks can in principle be overcome. By combining the high optical quality available from high-harmonic laser sources (as a seed beam) with a highly energetic soft X-ray laser plasma amplifier, we produce a tabletop soft X-ray femtosecond laser operating at 10?Hz and exhibiting full saturation, high energy, high coherence and full polarization. This technique should be readily applicable on all existing laser-driven soft X-ray facilities. [ABSTRACT FROM AUTHOR] |
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| Database: |
Psychology and Behavioral Sciences Collection |
