超短脉冲激光器
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But if you think that's about as cool as the carbon material can get, listen to this: It can also be used to make ultrashort-pulse lasers.
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It can then release the light it absorbs in quick bursts that last a few femtoseconds each (with one femtosecond lasting one millionth of one billionth of a second), which is what ultrashort-pulse lasers do.
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