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Configuration
2
FUSED COUPLER, NEAR INFRARED
1x2
2x2
P4 (Blue)
P1 (Red) COMMON (Input)
P2 (Blue) SIGNAL (Input)
P3 (Red) TAP (Output)
P1 (Red) COMMON (Input)
P2 (Blue) SIGNAL (Input)
P3 (Red) TAP (Output)
Insertion Loss
Coupling Ratio
Grade
Available Housing Option
Signal Path Insertion Loss1,2
Tap Path Insertion Loss1,2
(Maximum)
10%
A
3, 4, 5, 6
0.9 dB
12.2 dB
10%
B
3, 4, 5, 6
1.1 dB
12.4 dB
20%
A
3, 4, 5, 6
1.5 dB
8.4 dB
20%
B
3, 4, 5, 6
1.7 dB
8.6 dB
30%
A
3, 4, 5, 6
2.2 dB
6.4 dB
30%
B
3, 4, 5, 6
2.4 dB
6.5 dB
40%
A
3, 4, 5, 6
3.0 dB
4.9 dB
40%
B
3, 4, 5, 6
3.2 dB
5.1 dB
50%
A
3, 4, 5, 6
3.8 dB
50%
B
3, 4, 5, 6
4.0 dB
1. Insertion loss at operating wavelength range (not including PDL, TDL or connector losses).
2. In 2x2 couplers with a coupling ratio of 20% or lower, insertion loss is not specified for launch through second input port (P4).