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attosecond streak camera
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attosecond streak camera
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attosecond streak camera
阿秒条纹相机
物质相互作用的很多基本物理过程都发生在可见光周期量级或更短的时间,如处于基态的电子在玻尔轨道上绕原子核运动一周的时间为150as(1as=10-18s),氮原子中从2p轨道发射出的电子波包比从2s轨道发射出的电子波包延迟20as等。为了探测这些过程,需要脉宽更短的阿秒量级的“光探针”,进而就需要发展阿秒量级的测量技术。21世纪初,超短激光脉冲的宽度达到阿秒量级,使得超快诊断的时间分辨率进入阿秒范畴成为可能,即阿秒条纹相机。
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condensed matter
condensed matter optics
condensed matter physics
condensed matter physics of polymer
condensed method
condensed milk
condensed nucleus
condensed phase explosion
condensed phase flame-retardant mechanism
condensed piano score of modern Peking opera The Red Lantern
condensed section
Condensed Selections of Classical Prose
condensed spark
condensed star
condensed state
condensed state chemistry
condensed state of polymers
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