Single Mode Components
Single Mode Fiber Optic Coupler
A direct fiber-fiber directional coupler that transfers a controlled fraction of power between single-mode fibers while preserving propagation direction.

Key Specifications
| Fiber Configuration | 1×2 or 2×2 |
| Operating Wavelength | 1310, 1550 nm, or other |
| Bandwidth | ±50 nm |
| Excess Loss | 0.08 dB (A Grade) / 0.15 dB (B Grade) |
| Splitting Ratio | 50/50 – 1/99% |
| Directivity | > 55 dB |
| Optical Power Handling | < 500 mW |
| Operating Temperature | -40 to 70°C, or -5 to 70°C |
| Storage Temperature | -55 to 85°C |
| Fiber Type | SMF-28 or HI-1060 |
| Package Dimension | Φ3.0 × 35 mm |
Need a custom configuration?
Our engineering team can tailor wavelength, power and interface options to your application.