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The Keysight N7744A optical power meter with four power-sensor channels provides increased throughput and operational efficiency to meet today's challenges in manufacturing. Designed for characterizing optical multiport components, these optical power meters offer industry-leading solutions for device connectivity, high-speed measurement data acquisition and fast data transfer for post-processing. The multiport power meter enables fast measurement solutions for all multiport devices; for example multiplexers, PON splitters, wavelength selective switches (WSS) and ROADMs, as well as compact setups for simultaneous testing of multiple single-port devices. The N7744A power meter uses the unprecedented N7740 fiber connectivity concept, which is a quadruple adapter (quad-adapter) with a snap-on quick-locking mechanism. The device to be tested can be connected to the quad-adapter in a comfortable ergonomic working position, even while the instrument is measuring another device. Then the quad-adapter can quickly be snapped on, to provide repeatably high-precision connections.
Specifications.
Sensor element: InGaAs.
Wavelength range: 1250 nm to 1650 nm.
Specification wavelength range: 1250 nm to 1625 nm (if not stated differently).
Power range: -80 dBm to +10 dBm.
Maximum safe power: +16 dBm.
Data logging capability: 2 buffers per port, each with capacitiy for 1 Mio measurement points.
Averaging time: 1 μs to 10 s.
Applicable fiber type: Standard SM and MM ≤ 62.5 μm core size, NA ≤ 0.24.
Uncertainty at reference conditions: ±2.5%.
Total uncertainty: ±4.5%.
Relative port to port uncertainty: typ. ±0.05 dB.
Linearity at (23 ± 5)C: ±0.02 dB ± 3 pW.
Return loss: > 50 dB (1520nm to 1580nm).
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