

National primary standard for the unit of average laser power GET 28-2022
https://doi.org/10.32446/0368-1025it.2023-4-5-10
Abstract
The article presents the metrology of high-intensity laser radiation for technological and special equipment. A laser power stabilization system with an output power of 2–1·104 W has been developed and studied. The presented stabilization system makes it possible to reduce the error in the transmission of a unit of average laser radiation power when using a technological laser with an unstable output power as part of the standard. National primary standard for the unit of average laser power GET 28-2022 was approved. Standard includes a laser stabilized in terms of laser power, as well as a reference measuring detector of a thermoelectric type and a measuring beam splitter. The means of transmitting a unit of average power of laser radiation from the range of 1·10–9–2 W to the range of 2–1·104 W, as well as the system for reproducing and transmitting a unit of average power in the range of 2–1·104 W, are studied. In conjunction with the use of the developed industrial laser stabilization system, the power of the laser radiation of the standard was increased from 2 to 1·104 W. The total standard uncertainty of reproduction and transmission of a unit of average laser power of no more than 0.636 % was obtained. The upgraded standard GET 28-2022 allows solving the problems of metrological support for laser systems for various purposes operating in the range 2–1·104, at systems designed for laser hardening and cutting, welding, additive manufacturing, etc.
About the Authors
V. S. IvanovRussian Federation
Vyacheslav S. Ivanov
Moscow
V. N. Krutikov
Russian Federation
Vladimir N. Krutikov
Moscow
A. S. Mikryukov
Russian Federation
AlekseyS. Mikryukov
Moscow
S. A. Moskalyuk
Russian Federation
Sergey A. Moskalyuk
Moscow
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Review
For citations:
Ivanov V.S., Krutikov V.N., Mikryukov A.S., Moskalyuk S.A. National primary standard for the unit of average laser power GET 28-2022. Izmeritel`naya Tekhnika. 2023;(4):5-10. (In Russ.) https://doi.org/10.32446/0368-1025it.2023-4-5-10