30 May 2003 Calibration of laser power meters for high-power applications
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Abstract
The market offers a relatively wide range of laser power meters for high power applications, but when it comes to verifying measurements, a lot of know-how is required. Even the comparison of national standards between different countries in some cases has given evidence for discrepancies. For high power measurements, a major drawback has been that the primary standards of all the national calibration institutes are cryogenic radiometers, which are built for low power applications, while industrial applications often require lasers in the 0.1 - 12 kW range, thus creating the need for transfer standards from low to high power range. Primes GmbH currently is setting up a calibration laboratory for high power cw laser power meters in cooperation with the German institute for standards, the PTB, which will allow to trace high power laser measurements back to national standards and extend the measurement range substantially. Certified calibration services will be open to all users and manufacturers of laser power meters for high power applications.
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Volker Brandl, Klaus Haensel, Mike Klos, Reinhard Kramer, Harald Schwede, "Calibration of laser power meters for high-power applications", Proc. SPIE 4932, Laser-Induced Damage in Optical Materials: 2002 and 7th International Workshop on Laser Beam and Optics Characterization, (30 May 2003); doi: 10.1117/12.473959; https://doi.org/10.1117/12.473959
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