Abstract
The construction of a simple and inexpensive laser power meter is described. The laser power is monitored using a calorimeter sensor which is based on the use of commercial platinum resistors. In this design, the use of volume absorbing glass enables the meter to withstand peak power densities in the region of 100 MW cm-2 and average powers in excess of 10 W at 1.06 mu m. Average powers down to less than 1 mW can also be readily measured.
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