The Keysight N7744A is a high-speed, 4-channel optical multiport power meter designed for characterizing optical multiport components. It offers solutions for device connectivity, high-speed measurement data acquisition, and fast data transfer for post-processing. This instrument is suitable for applications such as testing multiplexers, PON splitters, wavelength selective switches (WSS), and ROADMs, as well as for compact setups testing multiple single-port devices. The N7744A is an LXI compliant instrument that can be controlled via LAN, USB, or GPIB interfaces, ensuring compatibility with existing test setups and manufacturing control systems.
### Technical Specifications
* **Channels:** 4 power-sensor channels
* **Sensor Type:** InGaAs
* **Wavelength Range:** 1250 nm to 1650 nm
* **Power Range:** -80 dBm to +10 dBm
* **Maximum Safe Power:** +16 dBm
* **Power Uncertainty:** ±2.5% (at reference conditions)
* **Total Uncertainty:** ±4.5%
* **Relative Port to Port Uncertainty:** Typically < ±0.01 dB
* **Dynamic Range:** Up to 65 dB in swept and logging applications without ranging
* **Data Logging Capability:** 2 buffers per port, each with a capacity for 1 million measurement points or 1 million samples/port plus 1 million/port buffer for continuous logging.
* **Averaging Time:** 1 µs to 10 s or 1 µs minimum averaging time
* **High Bandwidth (3dB-cutoff):** Up to 240 kHz
* **Measurement Speed:** 10x faster than previous measurement solutions
* **Acquisition Rate:** High-speed measurement data acquisition up to 1 million samples/s or 1 million samples/channel.
* **Polarization Dependence:** < ±0.01 dB
* **Applicable Fiber Type:** Standard SM and MM (62.5 µm core size, NA = 0.24)### Electrical* **Interfaces:**
* LAN
* USB 2.0
* GPIB (IEEE 488.1 and 488.2 compliant)### Physical* **Form Factor:** 1U half-rack high
* **Connectivity Concept:** N7740A fiber connectivity concept with a quadruple adapter (quad-adapter) and a quick-locking mechanism. This allows for easy and secure attachment and removal of the adapter, simplifying fiber handling for multi-port device testing. The quad-adapter also fits into Agilent's standard bare fiber connectivity solutions 81000BI.
* **Zeroing:** One-click zeroing adapter (N7740ZI) for quick and reliable 4-port zeroing.### Compatibility* **Code Compatibility:** Compatible with Agilent's Lightwave Measurement System modules and Agilent optical power meter sensors and optical power meter heads. This allows for plug-in replacement in existing test solutions and the ability to run existing application software.
* **Instrument Integration:** Can be integrated into single setups with parallel programming over LAN or USB connections. Multiple instruments can be combined to increase channel density (e.g., four N7745A units can measure 32 channels).
* **Software:** N77 viewer software is available for controlling N7711/4A tunable laser sources.### Operating and Storage Environment* **Temperature:** Specific operating and storage temperature ranges are detailed in the user manual.
* **Humidity:** Specific humidity ranges are detailed in the user manual.
* **Altitude:** Specific altitude limitations are detailed in the user manual.
* **Pollution Protection:** Details on pollution protection are available in the user manual.
* **Instrument Cooling:** Information on instrument cooling is provided in the user manual.Why Choose Aumictech for the Keysight N7744A?
At Aumictech, we specialize in supplying high-end optical test and measurement equipment. Whether you need precise multiport device characterization, high-speed data acquisition, or seamless integration into your existing test infrastructure, our team ensures the Keysight N7744A delivers maximum performance for your application.
