Single mode fused coupler 1×2, 2×2 offer very low insertion loss, low polarization dependence and excellent environmental stability. Accurate coupling ratio from 50/50 to 1/99, fiber pigtails can be 250 um bare fiber, 3mm and 900um loose tube fiber are available with very tight uniformity in a wide wavelength. Single mode coupler is with extensive application to perform power splitting and monitoring functions in all kinds of optical communication systems. Multimode coupler is also available with 850nm wavelength.
Features
Coupling Ratio Insertion Loss Conversion Chart
| Coupling Ratio | Insertion Loss | |
| Premium | A Grade | |
| 40/60 | 4.7/2.7 | 5.0/2.9 |
| 30/70 | 6.0/1.9 | 6.4/2.1 |
| 20/80 | 7.9/1.2 | 8.5/1.4 |
| 10/90 | 11.3/0.5 | 12.0/0.8 |
| 5/95 | 14.0/0.35 | 14.6/0.43 |
| 1/99 | 22.5/0.25 | 23.0/0.35 |
| Coupling Ratio(%) | 1~50 | |
| Directivity (dB) | >55 | |
| Operating Temperature (℃) | -20 – + 85 | |
| Storage Temperature (℃) | -40 – + 85 | |
| Fiber Type | Corning Single mode SMF-28, DS Fiber, or flex core | |
| Fiber Pigtail Length (m) | 1 | |
| Port Configuration | 1×2 or 2×2 | |
| Package Dimension | Package D,E,F,G | |
EXW, FOB, CFR, CIF, DDU, DDP, CPT are optional.
TT, Paypal, Escrow, Alipay, Wechat are optional, no credit.
Yingda accept small bulk order, and sample order. If retailer, please consult our fiber optic distributor in local.
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