Figure 4.
Hole diameter and beam diameter with different relationship of size between thresholds and fluences (a): Threshold > Fluence (b): Threshold ≈ Fluence (c): Threshold < Fluence (d): Threshold < Fluence.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.