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[交流] 【求助】问一个关于飞秒激光初级的问题

看到文献上有这么一段话,用飞秒激光辐照金属,不懂的这方面问题,现在想知道这种波长辐照时在金属(300K)产生的瞬时温度值?怎么算呢?请知道的指点一下,谢谢!!

0.9~22J/cm2    120 fs
想估测一下瞬时温度
CODE:
sapphire laser system produced 120 fs pulses, at 800 nm wavelength with a 1 kHz repetition rate [0.9~22J/cm2]. Individual pulses were directed through a 20 objective lens and focused onto the sample surface to a roughly 8 um diameter spot size ( 1 / e2 Gaussian energy distribution) .

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