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

PI要求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。这一努力将指导设备和方法的改进，目标是将双脉冲LIBS可以有效使用的压力增加到250巴或更高。拟议的工作也将提供有关高压下基质效应的重要信息。最终目标是充分理解高压LIBS，使其能够在水下或潜水器上使用，并为此目的产生概念设计。更广泛的影响：一位评论者说，通过显着提高我们对海洋的原位和连续化学分析的能力，支持者正在提高社会了解海洋的能力。支持者这样做的同时，促进教学和学习的研究生在他们的追求研究生学位。 另一位说，作者参与了LIBS技术及其应用的学生培训。这对于一项新技术来说是非常重要的。像LIBS这样有用的技术只会在年轻人成长为技术时才能充分发挥其优势。作者们在出版和传播有关他们工作的信息方面也表现出了很好的记录，所以我对他们将随着这项工作的继续而继续这一良好记录寄予厚望。

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.