81635A Dual Optical Power Sensor

Main characteristics and technical indicators<±0.015 dB polarization correlation±3% power uncertaintyStandard SM and MM up to 62.5 μm core sizeInGaAs detector for low noise and low wavelength corre

No. : 81635A
Brand : Keysight

Main characteristics and technical indicators

<±0.015 dB polarization correlation

±3% power uncertainty

Standard SM and MM up to 62.5 μm core size

InGaAs detector for low noise and low wavelength correlation


The Keysight 81635A dual optical power sensor is the best choice for accurate power measurement of fiber optic components. The modular dual sensor can be installed in all Keysight 816x lightwave masters and can be used alone or in combination with multiple sensors for simultaneous measurement of multichannel devices. The output fiber can be easily connected using a flexible Keysight adapter or bare fiber adapter.

The module is capable of running multiple measurement applications such as data logging, stability, and recording of minimum and maximum values over time. Synchronization with the tunable laser module supports powerful spectrum measurements with several advantages: higher resolution, better polarization correlation, and multi-channel scalability with high cost and time efficiency. The module can record up to 20,000 samples with an average time of only 100μs.


<±0.015 dB polarization correlation

+10 to -80dBm power range

Complete sampling and triggering concepts (hardware trigger lines, filters, event triggers, hardware timers, analog outputs)

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with continuous innovation and improvement, strive to make RPG a leading "one-stop" service brand in Chinese instrument industry

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