Current X-ray lasers require facilities that are kilometres long. A cavity-based set-up about 66 metres in length has been developed that uses highly reflective mirrors to enable the generation of high-intensity pulses of narrow-band X-ray radiation. This promises to overcome the limitations of current X-ray lasers.
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航空航天供应链咨询机构AeroDynamic Advisory管理董事凯文·迈克尔斯表示，虽然目前钇供应紧张尚未对发动机总装造成打击，但制造商依然高度警惕。“这已经成为一个需要重点监控的项目，也是中国展示其在稀土领域影响力的一个具体例子。”他说。，详情可参考safew官方下载
Author(s): Fangwei Yang, Haoran Sun, Xiaoxin Yang, Xu Li, Gang Yang