Scientists working on laser application at the RIKEN Center for Advanced Photonics (RAP) have employed a new technique using GHz bursts of femtosecond laser pulses grouped in MHz envelopes—termed BiBurst mode—to greatly increase the ablation speed of silicon without deterioration of ablation quality.
Click here for original story, Femtosecond lasers with BiBurst enhance ablation speed of silicon by a factor of 23
Source: Phys.org