在这个新的研究中，物理学家们用一种处在极紫外能量范围的强光子X射线激光器发出的闪光照射氙原子，所用闪光的能量是可见光能量的40倍。
In the new study, the physicists shot xenon atoms with FLASH, an X-ray laser that USES intense photons in the extreme ultraviolet energy range, about forty times the energy of visible light.
以前的可调谐紫外激光器是基于可见光区域的可调谐激光，经过非线性频率变换得到。 结构复杂、可靠性差。
The majority of known tunable UV sources were complicated devicescomprising some tunable laser in visible region and subsequent nonlinear frequency conversion.
脉冲染料激光器的可见光波段辐射通过共线倍频和非共线混频实现紫外波段的连续可调谐输出。
Continuously tunable UV radiation is obtained by collinear doubling and non-collinear mixing from visible radiation of pulsed dye laser.
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