It is not only applicable for the CW lasers, but also for the pulse lasers.

既适用于连续激光器，也适用于脉冲激光器。

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The trick: substituting the printer's continuous wave lasers with faster, more powerful pulse lasers that had finally become consistent enough to record clear pictures.

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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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