PM MVOA Manual Variable Optical Attenuator 1310nm 1550nm 980nm For Optical Communication / Laboratory
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.
- Suitable for high-precision attenuation adjustment of polarization-maintaining optical signals
- Low intrinsic loss, typically less than 0.7 dB
- High extinction ratio, typically greater than 20 dB
- Wide attenuation adjustment range, reaching 0.5–60 dB or 50 dB
- High adjustment precision, achieving a resolution of 0.02 dB
- Supports multi-wavelength applications, including 1310 nm, 1550 nm, and 980 nm
- Excellent stability and reliability, suitable for long-term operation
- Applicable to communication, experimental, and testing systems
| 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 | |||
- Specified without connectors.
- For devices with connectors, 0.3dB higher for IL, 5dB lower for RL and 2dB lower for ER.
For device with connector, key aligned to slow axis.
- Optical Passive Component Testing
- Fiber Optic Communication System Testing
- Optical Laboratories and Scientific Research Platforms
- Fiber Optic Sensing Systems
- High-Precision Optical Measurement
- Medical and Bio-optical Experiments
- OEM Optical Communication and Testing Modules
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