If you require a longer line then a 80° fan angle will produce at the working distance then a possible
solution may be to change the mounting position and angle of the laser. By moving the laser to end of
the working area and angling the laser to a 50° angle to the work surface the line length is increased by
a factor of 3. See the table below and the diagram for a comparison.
Working Distance (mm)
Line Length (mm)
250
1418
500
2836
1000
5671
2500
14178
5000
28356
10000
56713
The size of the fan angle (or spread of the beam) will determine how long the line is. When viewed from
the same distance and at 90° to the surface a line with a fan angle of 80° will be longer then a line with
a fan angle of 30°.
Fan Angle (°)
30
55
90
D
is
ta
n
ce F
ro
m O
bj
ec
t (
m
m
)
250
134
260
500
Li
n
e
Le
n
gt
h (
m
m
)
500
268
521
1000
750
402
781
1500
1000
536
1041
2000
1250
670
1301
2500
1500
804
1562
3000
1750
938
1822
3500
2000
1072
2082
4000
2250
1206
2343
4500
2500
1340
2603
5000
2750
1474
2863
5500
3000
1608
3123
6000
3250
1742
3384
6500
3500
1876
3644
7000
3750
2010
3904
7500
4000
2144
4165
8000
4250
2278
4425
8500
4500
2412
4685
9000
Fan Angle (°)
Distance to
Object (mm)
Line Length
(mm)
30
100
54
80
100
168
As a guide to relationship between working distance, line length and fan angle please see the table
below.
Working Distances
