Manual Variable Optical Attenuator
The Manual Variable Optical Attenuator (MVOA) operates by manually moving a shading element into optical beam. The shading element can be integrated and adjusted to get any attenuation value in a range. MVOA features low insertion loss,good resolution, high stability and good reliability. The Manual Variable Optical Attenuator applies for pre-emphasis attenuation, transmitter power control, in-line power equalization, and amplifier power control, etc.
Key Features | Applications |
lHigh Resolution | lFiber Sensing |
lCompact Size | lEquipment |
lLow Insertion Loss | lFiber Optical Instruments |
Parameter | Unit | Values | ||
Operating Center Wavelength (λc) | nm | 488, 532, 635 | 780, 850 | 980, 1064, 1550, 1700, 2000 |
Max. Excess Loss | dB | 1.5 | 1.0 | 0.6 |
Max. WDL, Minimum Attenuation | dB | 0.3 | ||
Attenuation Range | - | Excess Loss to 60 dB | ||
Resolution within 10 dB Attenuation Range | dB | 0.1 | ||
Max. PDL (for SM fiber type), 23 ℃, λc, minimum attenuation | dB | 0.05 | ||
Max. TDL at Attenuation Range, λc | dB/℃ | 0.01 | ||
Min. Return Loss (for Singlemode Fiber) | dB | 55 | ||
Min. Return Loss (for Multimode Fiber) | dB | 25 | ||
Max. Optical Power (Continuous Wave) | mW | 300 | ||
Operating Temperature | ℃ | 0 to + 70 | ||
Storage Temperature | ℃ | - 40 to + 85 | ||
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