https://www.nist.gov/publications/site-multi-kilowatt-laser-power-meter-calibration-using-radiation-pressure
We have demonstrated the calibration of a thermal power meter against a radiation-pressure power meter in the range of 20 kW in a manufacturing test environment
laser power metersitemultikilowattcalibration
https://www.sciencedaily.com/releases/2009/05/090508135000.htm
The US military can now calibrate high-power laser systems, such as those intended to defuse unexploded mines, more quickly and easily thanks to a novel...
laser power meternewnanotubecoatingenables