Viavi Quad SM MAP VOA Module FCAPC
The mVOA provides attenuation through an expanded beam modified by a linearly variable neutral density filter. Precision optical design, optimized over 30 years, is key to guaranteeing low IL/RL and PDL. Management of the attenuated light is carefully considered in order to ensure high power performance and long-term reliability. Proprietary motor control algorithms paired with a kinematic drive delivers high speed attenuation change with industry leading settling time and stability.
There are two modes of operation, attenuation mode and power mode. Attenuation mode, the most basic form of operation, changes the insertion loss of the module without consideration for the input power. Power mode sets the absolute power at the output of the mVOA and requires the internal power meter option. When in power mode, input power tracking can be enabled, which automatically adjusts the mVOA to keep the output power constant. Multiple power and attenuation offsets are available to compensate for test system losses and simplifies test system integration.
An intuitive graphic user interface (GUI) is optimized for use in either a laboratory or a manufacturing environment. Efficient transition between summary and detailed views (figure 1 and figure 2) allow users to operate at a system level or access the full power of a module.
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Quad VOA, Standard Power, Tap Option, Single-Mode, FC/APC bulkhead connectors.
Specifications:
Parameters | Single-Mode With Output Power Monitor |
Insertion loss at 0dB | ≤ 1.5 dB |
Polarization-dependant loss | ≤ 0.15 dB |
Return loss | ≥ 55 dB |
Maximum input power | +23 dBm/+33 dBm |
Wavelength range | 1260 to 1650 nm |
Attenuation range | 70 dB |
Shutter isolation | ≥ 80 dB |
Attenuation flatness | ±0.04 dB |
Attenuation slew rate | ≥ 25 dB/s |
Relative attuation uncertainty | ±0.1 dB |
Attenuation repeatability | ±0.01 dB |
Attenuation resolution | 0.001 dB |
Attenuation settling time | ≤ 55 ms |
Closed-loop power range | +11 to -49 dBm |
Power monitor linearity | ±0.03 dB |
Power setting repeatability | ±0.015 dB |
Power setting resolution | 0.001 dB |
Warm-up time | 30 min |
Operating temperature | 0 to 50°C |
Storage temperature | -30 to 60°C |
Operating humidity | 15 to 80% RH, 0 to 40°C noncondensing |