| Features | Applications | |||
| ◆ Low PDL | ◆ Optical Fiber Laser system | |||
| ◆ Low Insertion Loss | ◆ Optical Power Distributor | |||
| ◆ High Directivity | ||||
| ◆ Stable and Reliable | ||||
Fiber coupler series are manufactured by using unique fusing technique to allow signal to be splitted at various ratios. The coupling ratio could be selected according to customer’s request. It features low excess loss, small size and high polarization extinction ratio. It is widely used for fiber laser, amplifier and optical gyro system.
Specifications
| Parameters | Unit | Non-PM | PM | |
| Center Wavelength | nm | 980,1064±15nm | ||
| Configuration | 1×2or 2×2 | |||
| Insertion Loss | 50/50 | dB | ≤3.6 | |
| 30/70 | dB | ≤6.0/1.9 | ||
| 20/80 | dB | ≤8.0/1.2 | ||
| 10/90 | dB | ≤11.2/0.8 | ||
| 5/95 | dB | ≤14.8/0.4 | ||
| 3/97 | dB | ≤16.57/0.4 | ||
| 2/98 | dB | ≤19/0.3 | ||
| 1/99 | dB | ≤22.0/0.30 | ||
| 0.1/99.9 | dB | 28-32/0.2 | ||
| Directivity | dB | ≥50 | ||
| Power Handling | mw | ≤500 | ||
| Polarization ER | CR>5% | dB | —— | 20 |
| 5%≥CR>1% | dB | —— | 18 | |
| Operation Temperature | ℃ | -5~+75 | ||
| Storage Temperature | ℃ | -40~+85 | ||
| Dimension | mm | 3×54or customized | ||
* Above specifications can be customized for your specific application.
* Above specifications are the case of no connector added.