About: Adaptive feedback beam shaping of the CO2 welding laser     Goto   Sponge   NotDistinct   Permalink

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  • The depth of penetration is probably the most important factor that influences the quality of a laser weld. The depth strongly depends on the focus of the welding beam. The sublimating material forms plasma vapors, that act as a lens and defocus the laser beam. Our contribution presents a method to compensate this phenomenon using an adaptive mirror - a mirror with flexible surface that can adjust the shape of the welding beam. The mirror is regulated by a feedback control loop so that the focus of the laser beam and the penetration depth remain in an optimal range. Since the only possibility to state the penetration depth is to monitor outer effects to estimate desired parameters. a sensor unit is used to monitor the optical emissions of the plasma vapors and the measured data are inputs to an algorithm that estimates the penetration depth.
  • The depth of penetration is probably the most important factor that influences the quality of a laser weld. The depth strongly depends on the focus of the welding beam. The sublimating material forms plasma vapors, that act as a lens and defocus the laser beam. Our contribution presents a method to compensate this phenomenon using an adaptive mirror - a mirror with flexible surface that can adjust the shape of the welding beam. The mirror is regulated by a feedback control loop so that the focus of the laser beam and the penetration depth remain in an optimal range. Since the only possibility to state the penetration depth is to monitor outer effects to estimate desired parameters. a sensor unit is used to monitor the optical emissions of the plasma vapors and the measured data are inputs to an algorithm that estimates the penetration depth. (en)
Title
  • Adaptive feedback beam shaping of the CO2 welding laser
  • Adaptive feedback beam shaping of the CO2 welding laser (en)
skos:prefLabel
  • Adaptive feedback beam shaping of the CO2 welding laser
  • Adaptive feedback beam shaping of the CO2 welding laser (en)
skos:notation
  • RIV/68081731:_____/10:00352708!RIV14-MPO-68081731
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(2A-3TP1/113), Z(AV0Z20650511)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 245387
http://linked.open...ai/riv/idVysledku
  • RIV/68081731:_____/10:00352708
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • laser beam welding; adaptive optics; laser welding control; light emission monitoring (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [981D4845594D]
http://linked.open...v/mistoKonaniAkce
  • San Diego
http://linked.open...i/riv/mistoVydani
  • Bellingham
http://linked.open...i/riv/nazevZdroje
  • Laser Beam Shaping XI (Proceedings of SPIE Vol. 7789)
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Řeřucha, Šimon
  • Jedlička, Petr
  • Mrňa, L.
  • Šarbort, M.
http://linked.open...vavai/riv/typAkce
http://linked.open...ain/vavai/riv/wos
  • 000287705600025
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • SPIE
https://schema.org/isbn
  • 978-0-8194-8285-3
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