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Remote measurement of the temperature distribution on the surface of solids under high-power laser irradiation

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Scientific and Technological Center of Unique Instrumentation of the Russian Academy of Sciences, ul. Butlerova 15, Moscow, 117342, Russian Federation

The paper reviews the latest results on the application of hyperspectral imaging to measure the temperature distribution and the emissivity on the surface of solids under laser heating in diamond anvil cells. In 2016, it was proposed to use a double acousto-optic filter, which enabled obtaining a large set of experimental points on the Planck curve and achieving a high accuracy of temperature determination. Employing an acousto-optic filter also makes it possible to visualize the intensity distribution of infrared laser radiation, study melting, and meas„ure the thermal conductivity of metals at high pressures and temperatures.

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Fulltext is also available at DOI: 10.3367/UFNe.2021.05.038996
Keywords: laser heating, temperature distribution, high pressures, emissivity, thermal radiation, phase transitions, diamond anvil cells
PACS: 07.35.+k, 07.60.−j, 42.79.Jq (all)
DOI: 10.3367/UFNe.2021.05.038996
URL: https://ufn.ru/en/articles/2022/8/e/
Citation: Zinin P V, Bulatov K M, Bykov A A, Mantrova Yu V, Kutuza I B "Remote measurement of the temperature distribution on the surface of solids under high-power laser irradiation" Phys. Usp. 65 852–863 (2022)
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Received: 1st, April 2021, revised: 18th, May 2021, 24th, May 2021

Оригинал: Зинин П В, Булатов К М, Быков А А, Мантрова Ю В, Кутуза И Б «Дистанционное измерение распределения температуры на поверхности твёрдых тел при воздействии мощного лазерного излучения» УФН 192 913–925 (2022); DOI: 10.3367/UFNr.2021.05.038996

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