We describe femtosecond fiber laser systems optimized for high value applications in precision industrial micro-machining. Unprecedented system performance and reliability enable unique manufacturing capabilities for touch screen displays and other difficult-to-machine parts.OCIS codes: (320.7090) Ultrafast lasers; (140.3390) Laser materials processing
IntroductionSolid state femtosecond lasers have been commercially available for well over two decades and presently comprise a variety of architectures based on fiber optics, bulk rods or slabs [1], thin disks [2], and hybrid fiber/ free-space optical design [3]. Most of these lasers are engineered for laboratory use, and many feature <100 fs pulse width, >1 mJ pulse energy, and other compelling performance parameters for cutting-edge scientific experiments. Within the last few years, however, a robust market has developed for femtosecond lasers that enable precision micromachining with high speed, consistency and reliability in factories around the world-where temperature, humidity, debris and handling conditions rule out the use of conventional femtosecond lasers.In this presentation, we will describe the design and performance of our industrial grade femtosecond fiber lasers, highlight the technical breakthroughs that enable this unprecedented performance level, and detail the applications in consumer electronics, automotive and medical device manufacturing that are defining the requirements for this most precise micro-machining tool.
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