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Additional advantages over traditional "dry" laser cutting are high dicing speeds, parallel kerf, and omnidirectional cutting. [14] Fiber lasers are a type of solid-state laser that is rapidly growing within the metal cutting industry. Unlike CO 2, Fiber technology utilizes a solid gain medium, as opposed to a gas or liquid. The “seed laser ...
A fiber laser (or fibre laser in Commonwealth English) is a laser in which the active gain medium is an optical fiber doped with rare-earth elements such as erbium, ytterbium, neodymium, dysprosium, praseodymium, thulium and holmium. They are related to doped fiber amplifiers, which provide light amplification without lasing.
Fiber disk lasers are used for cutting of metal (up to few mm thick), welding and folding.The disk-shaped configuration allows efficient heat dissipation (usually, the disks are cooled with flowing water), allowing power scaling.
Laser types with distinct laser lines are shown above the wavelength bar, while below are shown lasers that can emit in a wavelength range. The height of the lines and bars gives an indication of the maximal power/pulse energy commercially available, while the color codifies the type of laser material (see the figure description for details).
2 lasers, on account of many metals having high reflectivity around this wavelength. Yb:Fiber Lasers, Nd:YVO 4, both emitting light of approximately 1000 nm wavelength, Nd:YAG lasers at 1,064 nm wavelength, or its harmonics at 532 and 355 nm, emit light that is more readily absorbed by most metals. They are thus more suitable for the laser ...
Nd:YAG lasers are used in manufacturing for engraving, etching, or marking a variety of metals and plastics, or for metal surface enhancement processes like laser peening. [34] They are extensively used in manufacturing for cutting and welding steel, semiconductors and various alloys. For automotive applications (cutting and welding steel) the ...
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