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The lower power CW fi ber lasers which are


available in either a single-mode or multi-mode confi guration have also experienced double-digit growth. The single-mode version in the 400–1000 W output power range has become the dominate choice for 3D power bed manufacturing machines. The requirement to produce 40–60 μm spot sizes with a consistent melt pool, and rapid response times is ideally accomplished with IPG’s single-mode fi ber lasers. The single- mode lasers are also widely used in the high-speed cutting of thin mate- rials required in the battery industry as well as producing micron-sized


Production Acceptance of QCW Lasers The QCW fi ber lasers were developed for those applications that require a pulse of high-peak laser energy for laser welding, cutting or drilling with the added ability to operate in the continuous mode for additional capability. The lasers can be switched


A fi ber laser with 15-kW peak power operating at 20 Hz for 1 ms and 10 pulses was used to drill holes in this TBC-coated 0.080” Inconel 718 aerospace part.


holes in a variety of applications. The multi-mode version with their CW power and high modulation frequency continue to gain sub- stantial market share in the sensor industry, medical device industry and computer industries. The cutting of medical stents, welding of pres- sure transducers and the welding of stainless steel razor blades are ex- amples of high-volume applications that have switched to fi ber lasers.


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