Laser processing by using fluidic laser beam shaper

Laser beam shaping techniques are important to optimize a large number of laser material processing applications and laser-material interaction studies. The authors have developed a novel Fluidic Laser Beam Shaper (FLBS) with merits such as flexibility, versatility and low cost. This work presents a...

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Bibliographic Details
Published in:International journal of heat and mass transfer 2013-09, Vol.64, p.263-268
Main Authors: Duc Doan, Hong, Naoki, Iwatani, Kazuyoshi, Fushinobu
Format: Article
Language:English
Subjects:
Annular beam
Beam profile
Beams (radiation)
Flat-top beam
Flexibility
Fluidic laser beam shaper
Fluidics
Focal plane
Gaussian beams (optics)
Laser beams
Laser drilling
Laser processing
Shapers
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Summary:Laser beam shaping techniques are important to optimize a large number of laser material processing applications and laser-material interaction studies. The authors have developed a novel Fluidic Laser Beam Shaper (FLBS) with merits such as flexibility, versatility and low cost. This work presents a fundamentally new approach for laser beam shaping by using FLBS. A Gaussian beam profile is transformed to a flat top beam and an annular beam profile in the focal plane. The shaped laser beam is used for laser drilling to investigate the influence of the laser intensity profile in laser processing. The paper concludes with suggestions for future research and potential applications for further the work.
ISSN:0017-9310
1879-2189
DOI:10.1016/j.ijheatmasstransfer.2013.04.046