Keysight 86120D and 86122C Multi-Wavelength Meters User’s Guide 95
Cleaning Information 3
Additional Cleaning Information
The following cleaning procedure may be used with other optical
equipment:
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.
Other Cleaning Hints
Selecting the correct cleaning method is an important element in
maintaining your equipment and saving you time and money. This
Appendix highlights the main cleaning methods, but cannot address every
individual circumstance.
This section contain some additional hints which we hope will help you
further. For further information, please contact your local Keysight
Technologies representative.
Making the connection Before you make any connection you must ensure
that all light-wave cables and connectors are clean. If not, then use
appropriate the cleaning methods.
When you insert the ferrule of a patch-cord into a connector or an adapter,
ensure that the fiber end does not touch the outside of the mating
connector or adapter. Otherwise, the fiber end will rub up against
something which could scratch it and leave deposits.
Lens cleaning papers Note that some special lens cleaning papers are not
suitable for cleaning optical devices like connectors, interfaces, lenses,
mirrors and so on. To be absolutely certain that a cleaning paper is
applicable, please ask the salesperson or the manufacturer.
Immersion oil and other index matching compounds Do not use
immersion oil or other index matching compounds with optical sensors
equipped with recessed lenses. They are liable to dirty the detector and
impair its performance. They may also alter the property of depiction of
your optical device, thus rendering your measurements inaccurate.
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