Tunable XUV radiation generated by nonresonant frequency tripling in neon |
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Authors: | R Hilbig A Lago R Wallenstein |
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Institution: | Fakultät für Physik, Universität Bielefeld, 48 Bielefeld, Fed. Rep. Germany |
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Abstract: | Nonresonant frequency tripling of ultraviolet (UV) radiation (λuv = 216–223 nm, generated by sum frequency mixing of the outputs of a frequency doubled pulsed dye laser and of the Nd-YAG pump laser) generates in neon coherent light in the extreme ultraviolet (XUV). The XUV radiation is tunable in spectral regions of negative dispersion λxuv = 72.05- 73.58 nm and λxuv = 74.3–74.36 nm at the high energy side of the transitions and . At UV input powers of 0.1-0.3 MW the generated XUV power was typically Pxuv = 0.1-0.4 W (1.5–6 x 108 photons/pulse). Since present UV dye laser systems provide at λuv pulse powers of almost 1 MW the XUV output could easily be increased by more than one order of magnitude. |
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