The Keysight N7748C is a high-sensitivity, four-channel optical power meter designed for demanding applications requiring precise optical measurements. It serves as a successor to the Agilent/Keysight N7748A, continuing the high optical performance standards established by the 81634B sensor modules within a compact N77 platform. This instrument is engineered to deliver exceptional accuracy and sensitivity, making it suitable for component testing, research, and development in optical systems. Its capabilities include low noise and drift, high linearity, and low polarization dependence, ensuring reliable and precise measurements across a wide power range.
### Technical Specifications
* **Channels:** 4
* **Power Range:** -110 dBm to +10 dBm
* **Uncertainty at Reference Conditions:** 2.5%
* **In-Range Linearity:** Below ±0.005 dB
* **Polarization Dependence:** Very low, contributing to peak accuracy over the full power range
* **Noise and Drift:** Lowest level due to actively cooled InGaAs detectors and optimized analog electronics
* **Analog Output:**
* Provides a linear or logarithmic representation of optical power
* Standard BNC connector with 0 to 2 V output
* Ideal for automated and semi-automated alignment applications due to linear feedback
* **Data Acquisition:**
* Up to 1 million samples per second and per port
* Memory for 1 M samples/port plus a 1 M/port buffer for continuous logging
* Averaging times from 25 µs to 10 s per sample
* **Interfaces:** LAN and USB, with a browser-accessible user interface
* **Connector Interfaces:** Accepts Keysight’s proven 81000xI connector interfaces for adaptation to common fiber-optic connector standards
* **Instrument Programming Compatibility:** Compatible with the Lightwave solution
* **Wavelength Range:** 800 nm to 1700 nm
* **Dimensions (N7748A for reference):** 460 mm x 212 mm x 43 mm, 1 RU height, half-rack width
### Why Choose Aumictech for Keysight N7748C?
At Aumictech, we specialize in supplying high-performance optical test and measurement equipment. Whether you need precise optical power measurements for component validation, advanced spectral analysis for research, or reliable performance data for system integration, our team ensures the Keysight N7748C delivers maximum performance for your application.
