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
Performance Specifications
| 50:50 Single mode Dual Window Wide Band Coupler | ||
| Grade | Premium | A |
| Coupling Ratio (%) | 50/50 | 50/50 |
| Excess Loss (Typical) (dB) | 0.07 | 0.1 |
| Maximum lnsertion loss (dB) | 3.6 | 3.8 |
| Uniformity (Max.) (dB) | 0.7 | 1.0 |
| Polarization Sensitivity (dB) | 0.10 | 0.15 |
| Operating Wavelength (nm） | 1310 / 1550 ± 40, 1310*1585 ± 40, or custom wavelength | |
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