NKT Photonics Koheras ADJUSTIK HP, Product Manual

Page: 96 / 115

Cleaning of fiber facets
96
•
Before using the laser, inspect the fiber and it’s facets for damage and
contaminants - if they need cleaning see
“Cleaning of fiber facets” on
page 96
.
Cleaning of fiber facets
The facets of the system fiber connectors may occasionally require cleaning.
Particularly for ADJUSTIK HP variants, as any contaminants might be susceptible
to the system’s higher output power. Before making any fiber connections,
always inspect the fiber facet of all connectors using an inspection scope. A
scope with both coaxial and oblique illumination is useful in exposing any
contaminants or defects in the facet. Further, rotating the fiber while under
illumination may be necessary to discover irregularities often hidden under
certain angles of light.
Warning: Ensure the laser is disabled before inspecting fiber facets.
Cleaning tools
When cleaning the facet, only use cleaning tools that are specifically designed to
be used with optical fibers. Always use extreme caution when cleaning fibers.
Examples of appropriate cleaning tools are: a lens cleaning tissue (lint free wipes)
as shown in
Figure 63
or an optical fiber cleaning tool as shown in
Figure 64
.
Figure 63 Lint-free wipe example
Figure 64 Example of a fiber cleaning cartridge