@article{Zhang2017, author = "Mingjun Zhang and Genyu Chen and Yu Zhou and Shichun Li", title = "{Media 6: Direct observation of keyhole characteristics in deep penetration laser welding with a 10 kW fiber laser}", year = "2017", month = "4", url = "https://opticapublishing.figshare.com/articles/media/Media_6_Direct_observation_of_keyhole_characteristics_in_deep_penetration_laser_welding_with_a_10_kW_fiber_laser/4945946", doi = "10.1364/OE.21.019997.m006" }