Hydrogen-like recombination X-ray lasers using ps pulse drivers |
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Authors: | J. Zhang M. H. Key |
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Affiliation: | (1) Department of Atomic and Laser Physics, University of Oxford, OX1 3PU Oxford, UK;(2) SERC Rutherford Appleton Laboratory, Chilton DIDCOT, OX11 0QX Oxon, UK |
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Abstract: | We propose a scheme for producing high gain recombination X-ray lasers on hydrogen-like Balmer transitions by irradiating fibre targets with a 2 ps Chirped Pulse Amplification CPA beam of a Nd-glass laser facility. Very high gain coefficients for H-like C, N, O, F, Na Balmer transitions are predicted. The optimum electron density and temperature for maximum gain operation scale approximately asNe 4 × 1013Z7 cm–3 and Te 7 × 10–3Z4 eV, respectively, at the time when maximum lasing gain appears. Significant improvement in gain performance of recombination X-ray lasers is predicted by using CPA ps pulse drivers. |
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Keywords: | 42.60.By 32.30.Rj 32.70.-n 52.50.Jm |
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