EXFO IQS-1600 High-Speed Power Meter for IQS-500/600 User Manual
Page 103
Typical Applications
High Speed Power Meter
95
Performing Absolute Power Measurements
Note: The high-speed power meter virtual channel (IQS-1620 or IQS-1640) is an
excellent tool for comparing two optical channels. For example, if two
devices (connected to channels 1 and 2) are supposed to have identical
power levels, displaying a virtual channel (defined as channel 1 minus
channel 2) provides easy monitoring of both devices and will quickly
highlight any power fluctuations.
Note: You can perform precise and repeatable power measurements of
unconnectorized DUTs by combining a high-speed wide area detector
power meter (IQS-1600W) and a bare fiber adapter.
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