用激光诱导击穿光谱法对液态锂进行激光产生蒸气的同位素分析

IF 3.2 2区化学 Q1 SPECTROSCOPY

Spectrochimica Acta Part B: Atomic Spectroscopy Pub Date : 2025-01-16 DOI:10.1016/j.sab.2025.107121

Tuyen Ngoc Tran , Duksun Han , Sungyong Shim , Dae Hyun Choi

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引用次数: 0

摘要

为了在不久的将来实现聚变能，氚自给是氘-氚（2H3H）燃料循环中的一项关键技术。因此，高6 -锂（6Li）同位素富集是提高聚变装置性能的理想选择。此外，一种快速可靠的分析方法来测量Li同位素的丰度也是必不可少的。一种用于液态锂样品的新型同位素分析技术——激光产生蒸汽激光诱导击穿光谱（LPV-LIBS），已经被开发并用于测量同位素丰度。LPV-LIBS技术结合了高功率脉冲激光汽化液体样品中的元素的LPV技术和通过发射光谱分析激光诱导等离子体的LIBS技术。利用所研制的llv - libs对液态LiCl的2s -2p跃迁线的Li光谱进行了测量和分析，结果与参考样品的结果一致。这是一种很有前途的简单、快速的方法，可用于聚变应用和其他工业需求中测量Li同位素丰度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Isotopic analysis of liquid lithium via laser-produced vapor for laser-induced breakdown spectroscopy

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Isotopic analysis of liquid lithium via laser-produced vapor for laser-induced breakdown spectroscopy

To realize fusion energy in the near future, tritium self-sufficiency is an essential technology in the deuterium-tritium (²H³H) fuel cycle. Thus, high 6‑lithium (⁶Li) isotope enrichment is desirable to improve the performance of the fusion plant. Additionally, a fast and reliable analysis method for measuring the abundance of Li isotopes is also essential. A novel isotope analysis technique for liquid Li samples, called laser-produced vapor for laser-induced breakdown spectroscopy (LPV-LIBS), has been developed and introduced to measure isotopic abundance. The LPV-LIBS technique combines LPV, in which elements in the liquid samples are vaporized by a high-power pulse laser, and LIBS, in which the laser-induced plasmas are analyzed through optical emission spectroscopy. Li spectra of the 2 s-2p transition line were measured and analyzed, and the results were consistent with those of the reference samples of liquid LiCl employing the developed LPV-LIBS. This is a promising simple and rapid method for measuring the Li isotopic abundance in fusion applications and for other industrial needs.

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来源期刊

Spectrochimica Acta Part B: Atomic Spectroscopy 物理-光谱学

CiteScore

6.10

自引率

12.10%

发文量

173

审稿时长

81 days

期刊介绍： Spectrochimica Acta Part B: Atomic Spectroscopy, is intended for the rapid publication of both original work and reviews in the following fields: Atomic Emission (AES), Atomic Absorption (AAS) and Atomic Fluorescence (AFS) spectroscopy; Mass Spectrometry (MS) for inorganic analysis covering Spark Source (SS-MS), Inductively Coupled Plasma (ICP-MS), Glow Discharge (GD-MS), and Secondary Ion Mass Spectrometry (SIMS). Laser induced atomic spectroscopy for inorganic analysis, including non-linear optical laser spectroscopy, covering Laser Enhanced Ionization (LEI), Laser Induced Fluorescence (LIF), Resonance Ionization Spectroscopy (RIS) and Resonance Ionization Mass Spectrometry (RIMS); Laser Induced Breakdown Spectroscopy (LIBS); Cavity Ringdown Spectroscopy (CRDS), Laser Ablation Inductively Coupled Plasma Atomic Emission Spectroscopy (LA-ICP-AES) and Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS). X-ray spectrometry, X-ray Optics and Microanalysis, including X-ray fluorescence spectrometry (XRF) and related techniques, in particular Total-reflection X-ray Fluorescence Spectrometry (TXRF), and Synchrotron Radiation-excited Total reflection XRF (SR-TXRF). Manuscripts dealing with (i) fundamentals, (ii) methodology development, (iii)instrumentation, and (iv) applications, can be submitted for publication.