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聚变堆运行过程中,粒子流和能量流轰击真空室表面形成的沉积层是造成氢同位素驻留的重要原因。由于真空室苛刻的检测要求,采用非接触式分析,无需样品前处理的激光诱导击穿光谱(Laser Induced Breakdown Spectroscopy,LIBS)技术成为真空室驻留氢同位素分析的有力手段。作为传统氢同位素分析手段的重要补充,LIBS可为包层结构及驻留氢同位素去除工艺优化提供有力的技术支持。
During the operation of the fusion reactor, particle flow and energy flow impact the deposition layer formed on the surface of the vacuum chamber, which is an important reason for the hydrogen isotope to reside. Due to the harsh testing requirements of vacuum chamber, Laser Induced Breakdown Spectroscopy (LIBS) technology with non-contact analysis and no sample preparation has become a powerful tool for hydrogen isotope analysis in the vacuum chamber. As an important complement to traditional hydrogen isotope analysis, LIBS can provide powerful technical support for the optimization of the cladding structure and the resident hydrogen isotope removal technology.