Agilent 81626B High Power Optical Head, 850-1650 nm

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Agilent 81626B High Power Optical Head, 850-1650 nm

Product Overview

Power Range: -70 to +27 dBm
Low PDL uncertainty ±0.002 dB typical
Low spectral ripple uncertainty: ±0.002 dB typical
Optional ±2.5% uncertainty with special calibration
The 8162xB family of optical power heads provide accurate power measurements with a large area detector in a remote head for flexible positioning. Functionality includes averaging time settings from 100 µs to 10 s, automatic power ranging, monitoring of minimum and maximum values and logging up to 20k samples. Fiber adapters are available for common connector types including MT ribbon fiber connectors and bare fiber clamps. (see

The D-shaped adapter type are held magnetically for quick adapter change. The heads also include a removable 81624DD adapter ring for use with the threaded type adapters. The heads are connected to the 816x mainframes using the 81618A single channel or 81619A dual-channel interface module.


Low relative uncertainty reduces the impact of connectorizing and fiber handling and leads to a robust test setup
The 5 mm large-area detector is less susceptible for connector misalignment and guarantees highly repeatable measurement results. Lower power per mm² makes the optical head more suitable for high power measurements and guarantees better linearity

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