Single Mode Fiber Variable Optical Attenuator
This online adjustable Single-Mode Fiber Variable Optical Attenuator (VOA) delivers precise and stable optical power management, featuring low insertion loss and high accuracy. With an attenuation range of up to 65dB, it supports multiple wavelengths such as 1310nm and 1550nm, as well as broadband operation from 1310–1630nm. Ideal for applications including power equalization, optical sensing, laboratory testing, and transmission systems, this VOA ensures reliable performance with low polarization-dependent loss. It is available in various configurations to support multiple fiber types and connector options, meeting a wide range of application requirements.
Description
Features & Applications
| Features | Applications |
| Low Insertion Loss | Systems test |
| High precision & Wide attenuation range | Fiber component test |
| Highly Reliability and Stability | Fiber Sensor |
Performance Specifications
| Parameter | Unit | Value | ||
| Center Wavelength | nm | 780, 850 | 980, 1064 | 1310, 1550 |
| Operating Wavelength Range | nm | ±20 | ±20 | ±40 |
| Attenuation Range | dB | 1.0-60 | 0.8-60 | 0.8-60 |
| Insertion Loss | dB | ≤1.0 | ≤0.8 | ≤0.8 |
| Return Loss | dB | ≥50 | ||
| Polarization Dependent Loss (PDL) | dB | ≤0.15 | ≤0.1 | |
| Fiber Type | – | HI780 | HI1060 | SMF-28E |
| Adjustment Precision | – | 0.02 | ||
| Power Handing | mW | ≤500 | ||
| Operating Temperature | ℃ | 0~+70 | ||
| Storage Temperature | ℃ | -40~+85 | ||
| Package Dimensions | mm | 26×18×8 | ||
Above specifications are for devices without connectors.
For device with connector, IL is 0.3dB higher, RL is 5dB lower.
Other specifications can be made on customer request.
Package Dimensions
Ordering Information
| VOA Model | Wavelength | Package Type | Fiber Jacket | Fiber Length | Connector Type |
| SMVOA | 780nm=780 | 26x18x8 | 250um Bare Fiber=0 | 0.5M=5 | None=0 |
| 850nm=850 | 900um Loose tube=1 | 1M=10 | FC/PUC=1 | ||
| 980nm=980 | 2.0mm Loose tube=2 | 1.5M=15 | FC/APC=2 | ||
| 1064nm=1064 | 3.0mm Loose tube=3 | 2M=20 | SC/PUC=3 | ||
| 1310nm=1310 | ……….. | SC/APC=4 | |||
| 1550nm=1550 | Customized | LC/PUC=5 | |||
| ……….. | LC/APC=6 | ||||
| Customized | Customized |
