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Fiber Optic Coupler

FEATURES

> Low Insertion Loss
> High Directivity
> Excellent Uniformity
> Low PDL

APPLICATION

> Telecommunications
> Subscriber netword Equipment
> CATV & LAN
> Fiber optic sensing

SPECIFICATION
Parameter
Sing Mode Single Window（1310 or 1550）
Single Mode Dual Window（1310 & 1550）
1X2
1X4
1X8
1X2
1X4
1X8
P
A
P
A
P
A
P
A
P
A
P
A
Bandwidth（nm）
±20
±40
I.L. (dB)
3.2
3.4
6.5
6.8
10
10.5
3.3
3.4
6.6
6.9
10.1
10.6
E.L. (dB)
0.1
0.2
0.3
0.4
0.6
0.7
0.15
0.3
0.4
0.5
0.7
0.8
Uniformity (dB)
0.2
0.4
0.4
0.8
0.8
1.4
0.2
0.4
0.4
0.8
0.8
1.4
Directivity (dB)
>55
PDL(dB)
0.1
0.2
0.1
0.2
0.1
0.2
0.1
0.2
0.1
0.2
0.1
0.2
Operating Temp.
-20 ~ 75 ℃
Storage Temp.
-40 ~ 85 ℃

Coupling Ratio
Insertion Loss（dB）
1310 or 1550
1310 & 1550
Grade
Premium
A Grade
Premium
A Grade
50/50
3.2
3.4
3.3
3.5
45/55
3.7/2.8
3.9/2.9
3.8/2.9
4.0/3.1
40/60
4.2/2.4
4.4/2.6
4.3/2.5
4.5/2.7
35/65
4.8/2.0
5.0/2.2
4.9/2.1
5.1/2.3
30/70
5.5/1.7
5.7/1.9
5.6/1.8
5.8/2.0
25/75
6.3/1.4
6.6/1.6
6.4/1.5
6.7/1.7
20/80
7.3/1.1
7.6/1.3
7.4/1.2
7.8/1.4
15/85
8.6/0.9
9.1/1.0
8.7/1.0
9.2/1.1
10/90
10.6/0.6
11.2/0.8
10.7/0.7
11.3/0.9
5/95
14.1/0.4
15.4/0.5
14.2/0.5
15.5/0.6
1/99
21.5/0.2
21.7/0.3
22.4/0.3
23.2/0.4

Notes: 1.All measurements were done at room temperature, and specifications exclude connectors
             2.S:Standard, P:Premium



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