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.
Secondary electron images of the embedded parts of the pullout fibres; (a) Boundary between the embedded and blank part of a SF. (b) Boundary between the embedded and blank part of a SMA fibre. (c) Boundary between the embedded and blank part of a SSF. Image in low-vacuum mode, voltage 15 kV, working distance 10 mm.
