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Chapter 14 – Optical Receiver (Option) 65
10911 V01.10
Typical requirements for single-mode fibres:
Zone name (diameter)
Scratches
Damage
A: Core (0 to 9 µm, 0 to 25 µm)
Non permitted
Non permitted
B: Cladding (25 to 120 µm)
No limits
all < 2 µm
5 in 2 to 5 µm range
none > 5 µm
C: Adhesive (120 to 130 µm)
No limits
No limits
D: Contact (>130 µm)
No limits
No limits
The figure shows the schematic structure of a typical
single-mode fibre with a 9 µm core.
14.8.1 Operation
The microscope range is called up by pressing the
MODE
> Microscope key. Select
MODE
to access the image settings
menu. You can activate the individual menu items with
ENTER
and change the parameters by using the arrow buttons
or entering the number directly.
Summary of Contents for VAROS109
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