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Handling The Fiber Optic Cables (continued)
Table 1-1. Minimum Bend Radius for Specified Core Diameter
The LW250 Laser uses either SI or GI core fibers. The maximum input energy/power allowed
per fiber is dependent upon core type and core diameter. Input energy/power values in excess of
those listed in Table 1-2 may cause damage to the fibers. Length specifications per fiber are: 5
m, 10 m, or 15 m.
Table 1-2. Maximum Allowable Input Energy/Power Per Fiber
Core Diameter
(mm)
0.4
0.6
0.8
1.0
1.2
Dirty or dusty end surfaces on the optical fibers will cause damage to the fibers. The damaged
surfaces of the fibers can also cause contamination to adjacent lenses. Do not remove the rubber
fiber end caps until it is necessary.
990-605 REV B: May, 1997
Core Diameter
(mm)
0.4
0.6
0.8
1.0
1.2
Single Fiber Output
Energy (J)
30
50
60
70
80
LW250 PULSED Nd: YAG LASER
CHAPTER 1: PRECAUTIONS
Minimum Bend
Radius (mm)
100
150
200
250
300
Dual Fiber Output
Power (W)
Energy (J)
100
15
200
30
250
50
300
70
350
90
Power (W)
20
60
120
240
480
1-2
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