1. http://www.trumpf-laser.com/en/products/solid-state-lasers/short-and-ultra-short-pulsed-lasers.html
2. Industry-grade high average power femtosecond light source;Heckl,2014
3. High power ultrafast lasers for the precision manufacturing industry;Mielke,2015
4. Ultra-short pulse delivery at high average power with low-loss hollow core fibers coupled to Trumpf's TruMicro laser platforms for industrial applications;Baumbach,2017
5. Comparison of picosecond and femtosecond laser ablation for surface engraving of metals and semiconductors;Lopez,2012