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 s 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 www.keysight.com/find/octaccessories)

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.

Benefits:

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 mm_ makes the optical head more suitable for high power measurements and guarantees better linearity

8162xB Product Comparison

81623B

81623B-E01

81624B

81626B

81628B

Sensor element

Ge, 5 mm

Si, 5 mm

InGaAs, 5 mm

InGaAs, 5 mm

InGaAs

Wavelength range

750 nm to 1800 nm

450 nm to 1020 nm

800 nm to 1700 nm

850 nm to 1650 nm

800 nm to 1700 nm

Power range

+10 dBm to 80 dBm

+10 dBm to 90 dBm

+10 dBm to 90 dBm

+27 dBm to 70 dBm (1250nm 1650nm)
+23 dBm to 70 dBm (850nm 1650nm)

+40 dBm to 60 dBm (800nm 1700nm)

Relative uncertainty
-due to polarization
-spectral ripple
(due to interference)

< 0.01 dB
(typ. < 0.005 dB)
< 0.006 dB
(typ. < 0.003 dB)

_ 0.005 dB
(typ. 0.002 dB)
_ 0.005 dB
(typ < 0.002 dB)

_ 0.005 dB
(typ. 0.002 dB)
_ 0.005 dB
(typ. < 0.002 dB)

typ. _ 0.006 dB

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

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