Paper Title:
Laser and Water-Jet Fiber Coupling Technology for Water-Jet Guided Laser Micromachining
  Abstract

The processing effect using water-jet guided laser micromachining technology is determined by the accurate coupling of focused laser and high speed water-jet. In order to realize the effective coupling, based on the analysis and calculation, a coupling unit with special structures was designed. The maximum angle of incidence was researched, which determined whether the total reflection occurred when laser transported in the water-jet. By the aid of fluid dynamical simulation, the coupling unit with uniform distribution of inner-cavity fluid field was designed. The attenuation of laser energy in water-jet fiber was investigated. Using appropriate laser wavelength, pulse energy and filtered and de-ionized water, energy attenuation in fiber was reduced. Experimental results showed that applying this coupling technology, perfect water-jet guided laser micromachining can be achieved.

  Info
Periodical
Advanced Materials Research (Volumes 69-70)
Edited by
Julong Yuan, Shiming Ji, Donghui Wen and Ming Chen
Pages
29-33
DOI
10.4028/www.scientific.net/AMR.69-70.29
Citation
Y. Wang, L. J. Yang, J. Tang, L. Li, Y. B. Chen, "Laser and Water-Jet Fiber Coupling Technology for Water-Jet Guided Laser Micromachining", Advanced Materials Research, Vols. 69-70, pp. 29-33, 2009
Online since
May 2009
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Price
$32.00
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