System Configurations
Many accessories are available for the F20 series systems. Please refer to the following list to find
different applications for the configuration provided with your system. If you would like infor-
mation on purchasing additional accessories not included, please contact Filmetrics.
SS-3 Stage in Standard Spot position: The SS-3 stage is our standard stage for the F20 system.
This is the most versatile stage, which is shipped with each system unless otherwise specified.
SS-3 in UV position: The SS-3 stage in the UV position is optimized for use in UVapplications.
SS-3 Stage in Small Spot position: The SS-3 stage in the small spot position is used to achieve a
smaller spot size for measurement. This is also useful for non-uniform or rough samples. The F20-
XT system comes standard with the SS-3 in the Small Spot position.
UV Extended Range (UVX): UVX systems provide the maximum possible range of thickness
measurements by including both UV andNIR detectors and light sources.
Contact Probe (CP-1): The contact probe is useful for measuring coatings on curved surfaces,
such as ophthalmic lenses. This accessory comes standard with the F20-HC, in place of the SS-3.
Contact Probe for Cylindrical Samples (CP-C): This contact probe is used for measuring coat-
ings on cylindrical samples.
Contact Stage Option (CS-1 Option): The contact stage option is used to measure the thickness
of freestanding films and coatings on glass samples where eliminating the backside reflection of the
glass is necessary. Use of the contact stage requires that the sample be flat.
Transmission Option (T1 Option): This option is used to make transmission measurements for
transparent samples.
Reduced Kinematic Mount with lens assembly (LA1-RKM): This assembly is used for inline
applications, or when a longer working distance in required.
Contact Probe (CP-1 and CP-C)
Connect the Contact Probe to the F20 as shown below. The two fiber ends leading from the Con-
tact Probe are identical; they can be attached to either the light source or spectrometer.
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