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4
How to clean instruments with a physical contact interface
WARN IN G
44
Remove any connector interfaces from the optical output of the
instrument before you begin the cleaning procedure.
Cleaning interfaces is difficult as the core diameter of a
single-mode fiber is only about 9
cannot see streaks or scratches on the surface. To be certain of
the degree of pollution on the surface of your interface and to
check whether it has been removed after cleaning, you need a
microscope.
Never look into an optical output, because this can seriously
damage your eyesight.
To assess the projection of the emitted light beam you can use an
infrared sensor card. Hold the card approximately 5 cm from the
interface. The invisible emitted light is projected onto the card and
becomes visible as a small circular spot.
Preferred Procedure
Use the following procedure on most occasions.
Clean the interface by rubbing a new, dry cotton swab over
1
the surface using a small circular movement.
Blow away any remaining lint with compressed air.
2
Procedure for Stubborn Dirt
Use this procedure when there is greasy dirt on the interface:
Moisten a new cotton swab with isopropyl alcohol.
1
Clean the interface by rubbing the cotton swab over the
2
surface using a small circular movement.
Take a new, dry soft tissue and remove the alcohol, dissolved
3
sediment and dust, by rubbing gently over the surface using a
small circular movement.
Blow away any remaining lint with compressed air.
4
µ
m. This generally means you
Agilent DFB Laser Source Module User's Guide
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