Cutting with high-power Nd:YAG lasers and fiber for beam delivery

Heinz Haferkamp; Andreas Homburg

doi:10.1117/12.184719

7 September 1994 Cutting with high-power Nd:YAG lasers and fiber for beam delivery

Heinz Haferkamp, Andreas Homburg

Proceedings Volume 2207, Laser Materials Processing: Industrial and Microelectronics Applications; (1994) https://doi.org/10.1117/12.184719
Event: Europto High Power Lasers and Laser Applications V, 1994, Vienna, Austria

Abstract

Investigations have been carried out comparing thermal cutting using Nd:YAG and CO₂ lasers. Analysis of the investigation results have led to conclusions concerning process efficiency, as referring to better absorption of laser radiation on metal-based materials at shorter wavelength behavior, as well as the influence of using an optical fiber for beam delivery on the processing results. The transmission properties of silica fibers with graded index and step index profile were investigated, when using a high power Nd:YAG laser. The beam parameters behind the two different fiber types related to the input parameters and the fiber geometry were theoretically and experimentally analyzed. The advantages and disadvantages for laser cutting with these fiber types are discussed with respect to physical properties and applicability.

Citation Download Citation

Heinz Haferkamp and Andreas Homburg "Cutting with high-power Nd:YAG lasers and fiber for beam delivery", Proc. SPIE 2207, Laser Materials Processing: Industrial and Microelectronics Applications, (7 September 1994); https://doi.org/10.1117/12.184719

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