Back reflection protection directs reflected laser light away from delivery fibers

July 31, 2012

Back reflection protection directs reflected laser light away from delivery fibers - TheFabricator.com

JK Lasers has developed a patented system that directs reflected laser light away from the delivery fibers and into a beam dump without the need to adjust the focus head. Back reflection levels are monitored continually and trigger an automatic shutdown if acceptable limits are exceeded.

Integrated into the company's Nd:YAG and fiber lasers as standard, back reflection protection also eliminates the need for a separate Faraday isolator.

Employing back reflection protection, the JK500FL can cut 0.04-in. aluminum at 590.55 IPM (20-µm spot size). A similar kerf width is possible in 0.08-in. aluminum at 129.92 IPM (8-µm spot size).



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