Online adjustable VOA
This online adjustable VOA (Variable Optical Attenuator) provides precise and stable optical power management with low insertion loss and high accuracy. It offers a wide attenuation range up to 65dB and supports multiple wavelengths including 1310nm, 1550nm, and broadband operation from 1310–1630nm.
Ideal for power equalization, optical sensing, laboratory testing, and transmission systems, the VOA ensures reliable performance with low polarization-dependent loss. Available in various configurations, it supports multiple fiber types and connector options to meet diverse application needs.
Description
| Features | Applications |
| Low Insertion Loss | Power equalizer |
| High accuracy | Optic sensor |
| Wide attenuator range | Laboratory test |
| Wavelength/polarization | GFF |
| Stable and reliable performance | Optic transmission system |
| Performance Specifications | ||||
| Parameters | 1550nm | 1310nm | Wideband | |
| P Grade | A Grade | A Grade | A Grade | |
| Wavelength (nm) | 1550nm±30nm | 1310nm±30nm | 1310-1630 | |
| Attenuator (dB) | 0.3~65 | 0.6~60 | 0.7~60 | 1.0~60 |
| Accuracy (dB) | 0.02/0.05 over 0.6~60dB | 0.02 over 0.7~60dB | 0.02 over 1.0~60dB | |
| Insertion Loss (Typ.) (dB) | ≤0.3 | ≤0.6 | ≤0.7 | ≤1.0 |
| Return Loss (dB) | ≥60.0 | |||
| Polarization、dependant、loss、PDL(dB) | ≤0.1 for 0-20dB attenuation ≤0.2 for 20-60 dB attenuation | |||
| Operating Temperature (°C) | -20℃~+75℃ | |||
| Storage Temperature (°C) | -40℃~+85℃ | |||
| Optical fiber model | 28E、50/125OM2、OM3、OM4、62.5/125 | |||
| Polarization Dependent Loss (dB) | ≤0.15 | |||
| Directivity (dB) | ≤0.1 | |||
| Maximum Power Handling (mW) | 500 | |||
| Dimensions (mm) | 26*18*8 | |||
| Ordering Information | ||||||
| Lens Type | Attenuation value | wavelength | Fiber Type | Connector | Fiber length | |
| 0.1dB | 850nm | 1=Bare fiber | FC/PC | 0=0.5m | ||
| 0.2dB | 1310nm | 2=900umLoose tube | FC/APC | 1=1m | ||
| 0.3dB | 1550nm | SC/PC | 2=2m | |||
| 0.4dB | 980nm | SC/APC | ect. | |||
| …… | ect. | |||||




