Collaborative Research: Oceanic Applications of Laser Induced Breakdown Spectroscopy: Laboratory Validation

PI要求提供资金，通过气泡动力学和等离子体行为的研究来研究和量化高压双脉冲LIBS。这一努力将指导仪器和方法的改进，目标是增加双脉冲LIBS可以有效使用到250巴或更高的压力。这项拟议的工作还将提供有关高压下的基质效应的重要信息。最终目标是充分了解高压LIB，以便在水下机器人或潜水器上使用它，并为此目的产生概念设计。广泛的影响：一位评论家说，通过显著提高我们对海洋进行现场和连续化学分析的能力，支持者正在增强社会理解海洋的能力。支持者这样做的同时，促进了研究生在攻读研究生学位过程中的教与学。另一位说，作者参与了对学生进行LIBS技术及其应用的培训。这对于一项新技术来说是极其重要的。像LIBS这样有用的技术只有在年轻人逐渐适应这种技术后才会获得充分的优势。作者在出版和传播他们的作品信息方面也表现出了很好的记录，所以我非常希望他们将继续这项工作的良好记录。

The PI's request funding to investigate and quantify the high pressure double pulse LIBS through studies of bubble dynamics and plasma behavior. This effort will guide apparatus and methodology improvements with the goal of increasing the pressure where double pulse LIBS can be effectively used to 250 bar or more. The proposed work will also provide important information about matrix effects at high pressure. The ultimate goal is sufficient understanding of high pressure LIBS to allow its use from an ROV or submersible, and the production of a conceptual design for that purpose.Broader Impacts: One reviewer said that by significantly advancing our abilities for in situ and continuous chemical analysis of the oceans, the proponents are enhancing society's abilities to understand the ocean. The proponents do this while promoting teaching and learning for graduate students in their pursuit of graduate degrees. Another said that the authors are involved in training students in the LIBS technique and its applications. This is extremely important for a new technique. A useful technique like LIBS will only gain its full advantage as young people grow into the technique. The authors also demonstrate a great record in terms of publication and disseminating information on their work, so I have high hopes that they will continue this good record with the continuation of this work.