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A Method of Attenuating High-Power Laser Radiation with 1.06 μm Wavelength Using a Diffraction Grating

  • OPTOPHYSICAL MEASUREMENTS
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Measurement Techniques Aims and scope

A method of attenuating high-power laser radiation using a small metal diffraction grating as an attenuator for power measurement was analyzed. The thermal operating modes of the attenuator were investigated, and various systems of cooling were considered. Errors of the coefficient of attenuation that are associated with the polarization and spectral composition of the radiation, and by the radiation absorption, mechanical deformation, and temperature mode of the diffraction grating are estimated. It is shown that a small metal diffraction grating can be used as a calibrated attenuator of powerful laser radiation with wavelength 1.06 μm. The relative error of the attenuator was 0.64%.

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The present study was completed with the use of equipment of the Center for collective use of high-precision measurement technologies in the field of photonics created on the base of VNIIOFI and supported by the Ministry of Education and Science of Russia within the framework of Agreement No. 14.595.21.0003 of 08.28.2017 (unique identifier RFMEFI59517X00003).

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Authors and Affiliations

  1. All-Russia Research Institute of Optophysical Measurements (VNIIOFI), Moscow, Russia

    A. A. Liberman, A. S. Mikryukov & S. A. Moskalyuk

Authors
  1. A. A. Liberman
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  2. A. S. Mikryukov
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  3. S. A. Moskalyuk
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Corresponding author

Correspondence to S. A. Moskalyuk.

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Translated from Izmeritel’naya Tekhnika, No. 10, pp. 28–30, October, 2018.

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Liberman, A.A., Mikryukov, A.S. & Moskalyuk, S.A. A Method of Attenuating High-Power Laser Radiation with 1.06 μm Wavelength Using a Diffraction Grating. Meas Tech 61, 992–995 (2019). https://doi.org/10.1007/s11018-019-01538-9

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  • DOI: https://doi.org/10.1007/s11018-019-01538-9

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