The 30A-BB-18 is a general purpose thermal power/energy laser measurement sensor with a 17.5mm aperture. It can measure from 10mW to 30W and from 6mJ to 30J. It has the spectrally flat broadband coating and covers the spectral range from 0.19 to 20µm. The sensor comes with a standard 1.5 meter cable for connecting to a meter or PC interface.