Nanoparticle production in liquid with multiple-pulse ultrafast laser ablation

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United States of America Patent

PATENT NO 8858676
APP PUB NO 20110192714A1
SERIAL NO

12951423

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A method for generating nanoparticles in a liquid comprises generating groups of ultrafast laser pulses, each pulse in a group having a pulse duration of from 10 femtoseconds to 200 picoseconds, and each group containing a plurality of pulses with a pulse separation of 1 to 100 nanoseconds and directing the groups of pulses at a target material in a liquid to ablate it. The multiple pulse group ablation produces nanoparticles with a reduced average size, a narrow size distribution, and improved production efficiency compared to prior pulsed ablation systems.

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Patent Owner(s)

  • IMRA AMERICA, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Che, Yong Ann Arbor, US 51 530
Hu, Zhendong Ann Arbor, US 32 391
Liu, Bing Ann Arbor, US 378 3588
Murakami, Makoto Ann Arbor, US 89 980

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