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Troubleshooting and Maintenance
92
Alternative procedure For these types of optical devices you
can often use an ultrasonic bath with isopropyl alcohol. Only
use the ultrasonic bath if you are sure that it won't cause
any damage to any part of the device.
1 Put the device into the bath for at least three minutes.
2 Blow away any remaining liquid with compressed air.
If there are any streaks or drying stains on the surface,
repeat the cleaning procedure.
How to clean bare fiber ends
Bare fiber ends are often used for splices or, together with
other optical components, to create a parallel beam.
The end of a fiber can often be scratched. You make a new
cleave. To do this:
1 Strip off the cladding.
2 Take a new soft tissue and moisten it with isopropyl
alcohol.
3 Carefully clean the bare fiber with this tissue.
4 Make your cleave and immediately insert the fiber into
your bare fiber adapter in order to protect the surface
from dirt.
Agilent N4373A Lightwave Component Analyzer, First Edition
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