液体探测中的布里渊散射光谱及其在海洋学中的应用

IF 15.3 1区物理与天体物理 Q1 OPTICS

Opto-Electronic Advances Pub Date : 2022-01-01 DOI:10.29026/oea.2023.220016

Yuanqing Wang, Jinghao Zhang, Yongchao Zheng, Yangrui Xu, Jiaqi Xu, Jiao Jiao, Yun Su, Hai-feng Lü, K. Liang

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引用次数: 2

摘要

布里渊散射光谱已被用于研究液体介质的性质。在此，我们提出了一种基于双边缘技术的改进方法来获得液体的布里渊光谱。通过滤波后的双边缘数据提取布里渊边缘信号，计算传输比，推导布里渊频移和线宽，构建布里渊谱。我们建立了检测系统来测试该方法的性能，并测量了蒸馏水在不同温度下的布里渊光谱，并与理论预测结果进行了比较。观测到的布里渊频移和线宽的实验值与理论值的差异分别小于4.3 MHz和3.2 MHz。此外，基于双边缘技术，提取的温度和盐度精度分别约为0.1°C和0.5%，表明在水探测和海洋学方面具有很大的应用潜力。

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Brillouin scattering spectrum for liquid detection and applications in oceanography

The Brillouin scattering spectrum has been used to investigate the properties of a liquid medium. Here, we propose an improved method based on the double-edge technique to obtain the Brillouin spectrum of a liquid. We calculated the transmission ratios and deduced the Brillouin shift and linewidth to construct the Brillouin spectrum by extracting the Brillouin edge signal through filtered double-edge data. We built a detection system to test the performance of this method and measured the Brillouin spectrum for distilled water at different temperatures and compared it with the theoretical pre-diction. The observed difference between the experimental and theoretical values for Brillouin shift and linewidth is less than 4.3 MHz and 3.2 MHz, respectively. Moreover, based on the double-edge technique, the accuracy of the extracted temperatures and salinity is approximately 0.1 °C and 0.5%, respectively, indicating significant potential for application in water detection and oceanography.

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来源期刊

Opto-Electronic Advances OPTICS-

CiteScore

19.30

自引率

7.10%

发文量

128

期刊介绍： Opto-Electronic Advances (OEA) is a distinguished scientific journal that has made significant strides since its inception in March 2018. Here's a collated summary of its key features and accomplishments: Impact Factor and Ranking: OEA boasts an impressive Impact Factor of 14.1, which positions it within the Q1 quartiles of the Optics category. This high ranking indicates that the journal is among the top 25% of its field in terms of citation impact. Open Access and Peer Review: As an open access journal, OEA ensures that research findings are freely available to the global scientific community, promoting wider dissemination and collaboration. It upholds rigorous academic standards through a peer review process, ensuring the quality and integrity of the published research. Database Indexing: OEA's content is indexed in several prestigious databases, including the Science Citation Index (SCI), Engineering Index (EI), Scopus, Chemical Abstracts (CA), and the Index to Chinese Periodical Articles (ICI). This broad indexing facilitates easy access to the journal's articles by researchers worldwide.