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Design Aspects and Characterization Tests of a Multi-Wavelength Beam HSRL for Atmospheric Monitoring in Ultra High Energy Observatories

机译:超高能天文台用于大气监测的多波长光束HSRL的设计方面和特性测试

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The progress in the development of a prototype High Spectral Resolution Lidar (HSRL) and the associatedsub-systems for atmospheric monitoring in Ultra High Energy Cosmic Ray Observatories, will be presented in this work.In this frame, a conceptual design of a pulsed, narrow linewidth and frequency stabilized laser operating in near UV andproviding multi-wavelength light beam is also described. From experimental point of view, we developed and tested theappropriate methods to characterize a commercial CW SLM Nd:YVO4 laser at 532 nm with respect of its single modeoperation performance and frequency stability. Additionally, we describe the methodology and the associated resultsconcerning the optical characterization of a candidate FabryPerot etalon being used as spectral discriminator for themolecular channel of the HSRL. For this purpose a commercial FabryPerot etalon was used as a reference to verify ourresults. The details of the method for accurate measurement of the effective spacing, the parallelism and the flatness ofthe etalons are also presented.
机译:本文将介绍超高能宇宙射线天文台的高光谱分辨率激光雷达(HSRL)原型以及相关的大气监测子系统的开发进展。还描述了在近紫外线下工作并提供多波长光束的线宽和频率稳定激光器。从实验的角度来看,我们开发并测试了合适的方法来表征商用CW SLM Nd:YVO4激光器在532 nm处的单模运行性能和频率稳定性。此外,我们描述了有关候选FabryPerot标准具的光学表征的方法学和相关结果,该标准具被用作HSRL分子通道的光谱鉴别器。为此,使用商业FabryPerot标准具作为参考来验证我们的结果。还详细介绍了准确测量标准具的有效间距,平行度和平面度的方法。

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