SBIR Phase II: Micro Pulse Lidar for Water Vapor Profiling

这个小型企业创新研究（SBIR）第二阶段项目解决了对新一代激光发射机的需求，用于水蒸气的差分吸收激光雷达（DIAL）测量。 第二阶段将开发一种新的激光技术，用于水蒸气的微型DIAL测量。 将使用革命性技术来实现DIAL发射机的要求，该技术允许二极管条的衍射限制性能。 这些超高亮度二极管条能够实现高效的端面泵浦、调Q、低增益、准三能级激光器。 最近，直接在944.1纳米水蒸气吸收线处工作的激光材料已经商业化。 将这两种技术结合起来将产生一种高效紧凑的DIAL发射机。 该技术将产生一类新型紧凑、高效、低成本的DIAL发射机，用于大气水蒸气剖面分析。低成本DIAL发射机对于未来改进天气预报、全球气候模型以及了解大气中通信信号的传输非常重要。 此外，在医疗和材料加工行业也将发现潜在的商业应用。

This Small Business Innovation Research (SBIR) Phase II project addresses the need for a new generation of laser transmitters for differential absorption lidar (DIAL) measurements of water vapor. Phase II will develop a new laser technology for mini-DIAL measurements of water vapor. DIAL transmitter requirements will be achieved using a revolutionary technology that allows diffraction limited performance from diode bars. These ultra bright diode bars enable efficient end pumped, q-switched, low-gain, quasi-three level lasers. Recently, a laser material that operates directly at the 944.1 nanometer water vapor absorption line has become commercially available. Coupling these two technologies will result in an efficient compact DIAL transmitter. This technology will result in a new class of compact, efficient, and low-cost DIAL transmitters for atmospheric water vapor profiling.Low cost DIAL transmitters are important for future improvements in weather forecasting, global climate models, and understanding of the transmission of communication signals in the atmosphere. In addition, potential commercial applications will be found in the medical and material processing industries.