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Author

Ki, Hyungson
Laser Processing & Multiphysics Systems Laboratory
Research Interests
  • Laser materials processing

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CO2 and Er:YAG laser interaction with grass tissues

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Title
CO2 and Er:YAG laser interaction with grass tissues
Author
Kim, JaehunKi, Hyungson
Keywords
Ablation efficiency; Ablation mechanisms; Beam diameters; Dry matters; Er:YAG lasers; Interaction maps; Laser interaction; Multicomponents; Plant leaves; Process parameters; Systematic experiment
Issue Date
201301
Publisher
AMER INST PHYSICS
Citation
JOURNAL OF APPLIED PHYSICS, v.113, no.4, pp.044902 -
Abstract
Plant leaves are multi-component optical materials consisting of water, pigments, and dry matter, among which water is the predominant constituent. In this article, we investigate laser interaction with grass using CO2 and Er:YAG lasers theoretically and experimentally, especially targeting water in grass tissues. We have first studied the optical properties of light absorbing constituents of grass theoretically, and then have identified interaction regimes and constructed interaction maps through a systematic experiment. Using the interaction maps, we have studied how interaction regimes change as process parameters are varied. This study reveals some interesting findings concerning carbonization and ablation mechanisms, the effect of laser beam diameter, and the ablation efficiency and quality of CO2 and Er: YAG lasers.
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DOI
http://dx.doi.org/10.1063/1.4788821
ISSN
0021-8979
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MNE_Journal Papers
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