Energy approach to the modelling of particle removal by pulsed laser irradiation

Y. F. Lu, Y. W. Zheng, W. D. Song

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

An energy model to explain particle removal mechanism has been developed. This model is based on a detailed investigation of contact deformation of a particle on a solid surface, as well as particle motion during the process of substrate surface expansion under uniform laser irradiation. Calculation results show that small particles mainly gain kinetic energy during pulsed laser irradiation, whereas large particles mainly gain elastic deforming potential energy. The particle removal condition is derived from the viewpoint of energy. The relationship of particle removal efficiency with laser fluence and particle size is discussed. Theoretical results are compared with experimental results.

Original languageEnglish (US)
Pages (from-to)569-572
Number of pages4
JournalApplied Physics A: Materials Science and Processing
Volume68
Issue number5
DOIs
StatePublished - May 1 1999

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Laser beam effects
Pulsed lasers
pulsed lasers
irradiation
Potential energy
Kinetic energy
energy
Particle size
Lasers
Substrates
particle motion
solid surfaces
lasers
fluence
kinetic energy
potential energy
expansion

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)

Cite this

Energy approach to the modelling of particle removal by pulsed laser irradiation. / Lu, Y. F.; Zheng, Y. W.; Song, W. D.

In: Applied Physics A: Materials Science and Processing, Vol. 68, No. 5, 01.05.1999, p. 569-572.

Research output: Contribution to journalArticle

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