The power of a laser is measured in Watts (and often reported in terms of nW, mW, W, etc. This is referring to the optical power output of the laser beam, which is the continuous power output of continuous wave (CW) lasers, or the average power of a pulsed or modulated laser. E. This application brief demonstrates the capabilities Keysight Technologies, Inc. It also explains the advantages and disadvantages of selecting SCPI commands and settings for Keysight power meters and power sensors. ght Technologies, Inc. Powered by LaserPoint technology, these meters are available as. Kyle Rogers, Paul A.