Can anyone explain for me the difference between the effect of continuous laser and pulsed laser on the nanoparticles?

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You need to narrow your question down, considerably.  What nanoparticles, of which dimensions?  What type of lasers, specifically what output spectrum and what hertz?  What is the overall experiment/production process you are attempting?

A quick google search brings up this article, which may be of some interest:

The different between continuous laser and pulsed laser deposition is mainly for surface morphology and thickness, then the optical and  electrical properties is can been changed.

Thats a nice question.Actually i'm also searching for this.Generally,we can use pulsed lasers to reduse and increase the size of nano particles by varying the fluence(gold nano we can use Nd-YAG Q switched nano pulsed Laser) by focusing the laser into the nanoparticle colloid --- : Laser ablation method .We can use other pulsed lasers also.

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