29
FS22DI
MEASURING EXAMPLES
Power
clean connector trace
dirty connector trace
Wavelength in nm
dynamic range
reduction
Fig. 4.7
Dirt impact on sensor signal
To clean an optical interrogator adapter, use an appropriate cleaner (1-FSCLEANER
from HBK or similar). Insert it in the optical adapter, number
1
in
, and press it
against the inside of the connector to clean.
Alternatively, use an appropriate cotton swab (there are several cleaning swabs in the
market frequently used for telecom) embedded in isopropyl alcohol. Insert it in the opti
cal adapter, number
2
in
, and rotate the swab always on the same direction.
Fig. 4.8
Cleaning connectors
