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. 2022 Jan 20;12:1051. doi: 10.1038/s41598-022-05090-5

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Experimental setup for measurements in the Nd:YAG RL. OPO is an optical parametric oscillator, M1 and M2 are 100% reflecting mirrors @800 nm, HWP is a half-wave plate @800 nm, and PBS is a broadband polarizer beam splitter. Together they control the pump energy. L1, L2, L3 are converging lens. SH is the sample holder, NDF are neutral density filters, and the data is acquired by a high-resolution spectrometer with CCD (see text for equipment details).