This paper reports the theoretical and experimental work on converting focused Nd-glass laser radiation of LI-11 facility into kilovolt X-ray line emission in laser-heated NaF plasma.This conversion efficiency ε turns out to he in the range from 0.2% to 1% for the laser (λ=1.06μm) power density changing from 10×1013 to 3.5×1013 W/cm2 The relationship between ε and λ has also been discussed.Simultaneously,theoretical results are compared with the experimental.
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