Nanosecond and femtosecond laser ablation of brass: Particulate and ICPMS measurements

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Femtosecond and nanosecond lasers were compared for ablating brass alloys. All operating parameters from both lasers were equal except for the pulse duration. The ablated aerosol vapor was collected on silicon substrates for particle size measurements or sent into an inductively coupled plasma mass spectrometer. The diameters and size distribution of particulates were measured from scanning electron microscope (SEM) images of the collected ablated aerosol. SEM measurements showed that particles ablated using nanosecond pulses were single spherical entities ranging in diameter from several micrometers to several hundred nanometers. Primary particles ablated using femtosecond ablation were {approx}100 nm in diameter but ... continued below

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Liu, C.; Mao, X.L.; Mao, S.; Zeng, X.; Greif, R. & Russo, R.E. November 1, 2003.

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Femtosecond and nanosecond lasers were compared for ablating brass alloys. All operating parameters from both lasers were equal except for the pulse duration. The ablated aerosol vapor was collected on silicon substrates for particle size measurements or sent into an inductively coupled plasma mass spectrometer. The diameters and size distribution of particulates were measured from scanning electron microscope (SEM) images of the collected ablated aerosol. SEM measurements showed that particles ablated using nanosecond pulses were single spherical entities ranging in diameter from several micrometers to several hundred nanometers. Primary particles ablated using femtosecond ablation were {approx}100 nm in diameter but formed large agglomerates. ICPMS showed enhanced signal intensity and stability using femtosecond compared to nanosecond laser ablation.

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  • Other Information: Journal Publication Date: 01/15/2004

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  • Report No.: LBNL--54108
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 842968
  • Archival Resource Key: ark:/67531/metadc780553

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  • November 1, 2003

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  • Dec. 3, 2015, 9:30 a.m.

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  • April 4, 2016, 1:43 p.m.

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Liu, C.; Mao, X.L.; Mao, S.; Zeng, X.; Greif, R. & Russo, R.E. Nanosecond and femtosecond laser ablation of brass: Particulate and ICPMS measurements, article, November 1, 2003; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc780553/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.