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Cleaning Information How to clean lenses
184 Agilent 81480A and 81680A, 40A, 82A, 42A, & 89A Tunable Laser Modules User’s Guide,
Sixth Edition
How to clean lenses
Some lenses have special coatings that are sensitive to solvents,
grease, liquid and mechanical abrasion. Take extra care when cleaning
lenses with these coatings.
Lens assemblies consisting of several lenses are not normally sealed.
Therefore, use as little alcohol as possible, as it can get between the
lenses and in doing so can change the properties of projection.
Preferred Procedure Use the following procedure on most occasions.
1 Clean the lens by rubbing a new, dry cotton swab over the surface
using a small circular movement.
2 Blow away any remaining lint with compressed air.
Procedure for Stubborn Dirt Use this procedure when there is greasy dirt on the lens:
1 Moisten a new cotton swab with isopropyl alcohol.
2 Clean the lens by rubbing the cotton swab over the surface using a
small circular movement.
3 Using a new, dry cotton swab remove the alcohol, any dissolved
sediment and dust.
4 Blow away any remaining lint with compressed air.
How to clean instruments with a
fixed connector interface
You should only clean instruments with a fixed connector interface
when it is absolutely necessary. This is because it is difficult to remove
any used alcohol or filaments from the input of the optical block.
It is important, therefore, to keep dust caps on the equipment at all
times, except when your optical device is in use.
If you do discover filaments or particles, the only way to clean a fixed
connector interface and the input of the optical block is to use
compressed air.