Dual Window Wideband Coupler
| Parameter |
Premium |
A Grade |
| Operating Wavelength Range |
1310 ± 40 nm & 1550nm ± 40 nm |
| Insertion Loss |
≤ 3.6 dB |
≤ 3.8 dB |
| Uniformity |
≤ 0.7 dB |
≤ 1.0 dB |
| Return Loss |
≥ 55 dB (1x2); ≥ 65 dB (2x2) |
| PDL |
≤ 0.15 dB |
≤ 0.20 dB |
| Operating & Storage Temperature |
-40°C ~ +85°C |
| Package Dimensions - Light Duty (B) |
3.0mm (Φ) x 55.0mm (L) |
| Package Dimensions - Medium Duty (L) |
3.0mm (Φ) x 60.0mm (L) |
| Package Dimensions - Heavy Duty (K,R) |
100.0mm x 12.0mm x 8.0mm |
Note: Specifications based on 50/50 ratio
| Tap Coupler |
| Coupling Ratio |
Max Insertion Loss |
| Premium |
A Grade |
| 40/60 |
4.7/2.7 dB |
5.0/2.9 dB |
| 30/70 |
6.0/1.9 dB |
6.4/2.2 dB |
| 20/80 |
7.9/1.2 dB |
8.5/1.4 dB |
| 10/90 |
11.3/0.6 dB |
12.7/0.8 dB |
| 5/95 |
15.0/0.4 dB |
16.0/0.5 dB |
| 1/99 |
23.5/0.3 dB |
24.0/0.4 dB |
| Tree Coupler |
| *Port # |
Max IL |
Uniformity |
| Premium |
A Grade |
Premium |
A Grade |
| 1x4 |
7.2 dB |
7.6 dB |
1.3 dB |
1.8 dB |
| 1x8 |
11.0 dB |
11.3 dB |
2.0 dB |
2.4 dB |
| 1x16 |
14.4 dB |
15.2 dB |
2.7 dB |
3.2 dB |
