Agilent Technologies Agilent 81663A User Manual page 29

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If possible avoid using denatured alcohol containing additives.
Instead, apply alcohol used for medical purposes.
Never drink this alcohol, as it may seriously damage to your
health.
Do not use any other solvents, as some may damage plastic
materials and claddings. Acetone, for example, will dissolve the
epoxy used with fiber optic connectors. To avoid damage, only
use isopropyl alcohol.
Cotton swabs
We recommend that you use swabs such as Q-tips or other
cotton swabs normally available from local distributors of
medical and hygiene products (for example, a supermarket or a
chemist's shop). You may be able to obtain various sizes of swab.
If this is the case, select the smallest size for your smallest
devices.
Ensure that you use natural cotton swabs. Foam swabs will
often leave behind filmy deposits after cleaning.
Use care when cleaning, and avoid pressing too hard onto your
optical device with the swab. Too much pressure may scratch
the surface, and could cause your device to become misaligned.
It is advisable to rub gently over the surface using only a small
circular movement.
Swabs should be used straight out of the packet, and never used
twice. This is because dust and dirt in the atmosphere, or from a
first cleaning, may collect on your swab and scratch the surface
of your optical device.
Soft tissues
These are available from most stores and distributors of medical
and hygiene products such as supermarkets or chemists' shops.
We recommend that you do not use normal cotton tissues, but
multi-layered soft tissues made from non-recycled cellulose.
Cellulose tissues are very absorbent and softer. Consequently,
they will not scratch the surface of your device over time.
Use care when cleaning, and avoid pressing on your optical
device with the tissue. Pressing too hard may lead to scratches
on the surface or misalignment of your device. Just rub gently
over the surface using a small circular movement.
Agilent DFB Laser Source Module User's Guide 29