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Ion-implanted target for soft x-ray laser investigations |
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| Authors: | J.G. Lunney R.E. Corbett M.J. Lamb C.L.S. Lewis P. McCavana L.D. Shorrock S.J. Rose F. Pinzong |
| Affiliation: | Department of Pure and Applied Physics, Trinity College, Dublin 2, Ireland Department of Pure and Applied Physics, The Queen's University of Belfast, Belfast, BT7 1NN, N. Ireland Department of Applied Physics, University of Hull, Hull, HU7 7RX, England Rutherford Appleton Laboratory, Chilton, Didcot, Oxon., OX11 0QX, England |
| Abstract: | Ion-implantation has been used to make a target suitable for the investigation of soft X-ray laser action via resonant photo-pumping. Neon was implanted on one side of a thin aluminum foil and sodium fluoride was coated on the other side. A 100 picosecond laser pulse at 2 × 1014 W cm-2was used to irradiate the neon side, and 330 ps later the sodium fluoride side was irradiated with a similar pulse. X-ray spectroscopy was used to measure the state of ionisation of the neon, and the inferred electron temperature was compared with a one-dimensional computer simulation. The spectral brightness of the pumping radiation was also estimated. |
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