Figure 3.

Microholes drilled via different pulse-width sizes. Microholes drilled by femtosecond laser pulses with pulse widths of (a) 214 and (b) 714 fs at 16-W average laser power and 0.5-ms dwell time, 13-MHz repetition rate.

Patel et al. Nanoscale Research Letters 2013 8:185   doi:10.1186/1556-276X-8-185
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