Working principle of the longitudinal field processing. (IMAGE)
Caption
a, The collimated Gaussian shaped into high quality thin annular beam. b, The principle of the longitudinal field generation and the comparison of the conventional field and the longitudinal field for materials ablation. c, 10 nm feature generated on sapphire and the cross section of the cross section of a hole with no taper and depth to width aspect ratio over 16.
Credit
by Zhaoqing Li, Olivier Allegre, Lin Li
Usage Restrictions
Credit must be given to the creator.
License
CC BY