Hybrid laser-beam-shaping system for rotatable dual beams with long depth of focus

Fu Lung Chou, Cheng-Huan Chen*, Yu Chung Lin, Mao Chi Lin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A laser processing system consisting of two diffractive elements and one refractive element is proposed enabling a Gaussian laser beam to be transformed into two beams with a depth of focus of up to 150 µm and focal spot smaller than 5 µm. For specific laser processing, the two beams are rotatable when the beam-splitting diffractive element is rotated. The overall system is versatile for laser cutting and drilling.

Original languageEnglish
Pages (from-to)824-828
Number of pages5
JournalOptical Review
Volume23
Issue number5
DOIs
StatePublished - 1 Oct 2016

Keywords

  • Diffractive/refractive hybrid optics
  • Elongated depth of focus laser processing system
  • Rotatable dual beam system

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