| Brand Name: | Gracyfiber |
| MOQ: | 100pcs |
| Price: | 10~1000usd/pcs |
| Payment Terms: | T/T |
| Supply Ability: | 10000pcs |
Polarization-Maintaining Variable Optical Attenuator (MVOA) — 1310/1550/980nm, High Precision, Low Loss — For Optical Communication, Laboratory, And Passive Component Testing
This Polarization Maintaining MVOA (Manual Variable Optical Attenuator) is a polarization-maintaining optical device designed for the precise adjustment of optical signal intensity. It is primarily utilized in fiber optic communications, optical experimentation, and various high-precision testing systems. By stably controlling the attenuation level of polarized light, the device enables fine-grained adjustment of optical power while maintaining excellent adjustment accuracy and stability across a broad wavelength range. Technical specifications indicate that this device features low insertion loss, a high extinction ratio, and a wide attenuation adjustment range; it is capable of meeting the stringent requirements for optical signal control found in communication systems, experimental platforms, and laboratory testing environments, making it ideally suited for use as a high-precision optical conditioning and signal management component.
| Type Parameter |
Values | |||
|---|---|---|---|---|
| Center Wavelength (nm) | 1310 & 1550 | 980 & 1060 | ||
| Operating Wavelength Range (nm) | ±40 | 980±20 or 1060±30 | ||
| Max. Original loss (dB) | 0.6 | 0.6 | 0.6 | 0.7 |
| Attenuation range (dB) | 0.6 ~ 60 | 0.6 ~ 50 | 0.6 ~ 60 | 0.7 ~ 50 |
| Extinction Ratio (Typical) (dB) | ≥20 (22) | ≥20 (22) | ||
| Return Loss (dB) | ≥50 | ≥50 | ||
| Adjustment Precision (dB) | 0.02 | |||
| Power Handling (mw) | ≤800 | |||
| Fiber Type | SM98-PS-U25A, SM13-PS-U25A or SM15-PS-U25A or PMBI-R5-13-U25D | |||
| Package Dimensions (mm) (L*W*H) | 26*18*8 | |||
| Operating Temperature (℃) | -5~70 | |||
| Storage Temperature (℃) | -40~85 | |||
For device with connector, key aligned to slow axis.