概要（Overview）

The Keysight 81636B is a versatile optical power sensor offering high precision with a dynamic range greater than 55dB in manual mode and an analog bandwidth of 17kHz. It boasts a low power uncertainty of ±3%, minimal polarization dependence of less than ±0.015dB, and the capacity to log up to 100,000 measurement samples. Suitable for integration into Keysight's 816x Lightwave mainframes, this sensor is ideal for a wide array of measurement applications, providing reliable data logging, stability analysis, and spectral measurements when paired with tunable laser modules. Its rapid sampling with a minimum averaging time of 25µs ensures accurate, high-resolution spectra, making it a valuable tool for fiber optic device testing.