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Surface Decontamination via Plasma Mediated Ultra-Short Pulsed Laser Ablation

[+] Author Affiliations
Xiaoliang Wang, Zhixiong Guo

Rutgers University, Piscataway, NJ

Paper No. IMECE2008-66369, pp. 1267-1272; 6 pages
doi:10.1115/IMECE2008-66369
From:
  • ASME 2008 International Mechanical Engineering Congress and Exposition
  • Volume 10: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B, and C
  • Boston, Massachusetts, USA, October 31–November 6, 2008
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4871-5 | eISBN: 978-0-7918-3840-2
  • Copyright © 2008 by ASME

abstract

Ultra-short pulsed laser removal of thin film blood contamination at glass surface has been studied. Utilizing plasma mediated ablation effect, the blood contamination was transformed into plasma cloud and collected with a vacuum system. A laser beam (wavelength 1552nm, pulse duration 1.2 picosecond) is focused into a working spot and scanned over the contaminated x-y plane area via an automated stage. The ablation effects of different laser parameters (pulse repetition rate, pulse energy) are demonstrated. The ablation result is evaluated with microscope.

Copyright © 2008 by ASME

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