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Fiber coupler is an optical device that enables the distribution or combination of optical signal power between different optical fibers. Composed of the mutual exchange of guided wave energy between different fiber surfaces adjacent to the fiber core area. According to the type of fiber used, it can be divided into multimode fiber, single-mode fiber, and polarization maintaining fiber coupler.
Yuehai Technology's coupler specializes in polarization maintaining couplers, which have the characteristics of high extinction ratio, low loss, and small size.
| Product Title | Wavelength（nm） | Power（W） | Isolation (dB) |
|---|---|---|---|
| 532-2050nm Polarization-maintaining fused coupler(1x2/2x2) | 532-2050nm | 300mW | |
| Polarization-maintaining Single Mode Coupler | 633-1550nm | 500mW | |
| 780-2050nm High power polarization-maintaining taper coupler(20W) | 780-2050nm | 20W | |
| Polarization-maintaining Single Mode Taper Coupler | 780-1550nm | 500mW | |
| 980-1550nm 1x2(2x2)Single Mode Coupler | 980-1550nm | 300mW | |
| 780-1550nm Polarization maintaining filter coupler(1x2/2x2) | 780-1550nm | 500mW | |
| 780-1550nm Polarization-maintaining Coupler(1x2/2x2) | 780-1550nm | 500mW | |
| 980-2000nm High Power Polarization-maintaining Single Mode Fused Coupler | 980-2000nm | 1-20W | |
| 780-1550nm High power polarization-preserving filter coupler(20W) | 780-1550nm | 20W | |
| 2000nm Polarization-maintaining Coupler | 2000nm | 500mW | |
| High Power Single Mode Taper Coupler(20W) | 980-2000nm | 20W | |
| 1310-1550nm Single Mode Broadband Taper Coupler(±40nm) | 1310-1550nm | 500mW | |
| 1060nm Filter Coupler Module | 1060nm |
