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A NEW SPECTROMETER CONCEPT FOR MARS EXPLORATION

机译：火星探测的新光谱仪概念

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The ExoMars program is a one way space mission foreseen to explore the Mars atmosphere and its groundsurface. The 2018 mission is a NASA lead mission with the contribution of a 300 kg rover by ESA that willcarry a comprehensive suite of analytical instruments dedicated to exobiology and geology research (Pasteurpayload).One of the instruments included in the mentioned payload is the Raman Laser Spectrometer (RLS) instrumentthat is focused on the analytical analysis of the geochemistry content and elemental composition of the observedcrushed samples obtained by the drill system of the Rover. This goal shall be achieved by means of the Ramanspectroscopy technique.One of the most critical Units of the RLS instrument is the Spectrometer unit (SPU) that performs spectroscopytechnique and operates in a very demanding environment (radiation, temperature, dust, etc.) with very restrictivedesign constraints (mass, power, schedule). It is a very small optical instrument capable to cope with 0.12nm/pixel of resolution and withstand with the Martian environment (operative temperature conditions: from -40oC to 6 oC). The solution selected is based on a single transmisive holographic grating especially designed toactuate as the dispersion element.The SPU Flight Model is being developed by a European Consortium composed by Spanish, German and UK asscientific and industrial partners.At this stage of the project SPU Team is improving and optimizing the SPU FM design and a Delta RLS PDRwill take place on October 2011.
机译：ExoMars计划是预见的探索火星大气及其地面的一种方式 表面。 2018年的任务是NASA的主要任务，由ESA贡献了300千克的火星车， 携带一套专门用于外生物学和地质研究的分析仪器（Pasteur 有效负载）。 提到的有效载荷中包含的仪器之一是拉曼激光光谱仪（RLS）仪器 重点是对所观察到的地球化学含量和元素组成的分析 流动站钻探系统获得的压碎样品。该目标应通过拉曼来实现 光谱技术。 RLS仪器最关键的单元之一就是执行光谱学的光谱仪单元（SPU） 技术，并且在非常苛刻的环境（辐射，温度，灰尘等）中运行，并且限制非常严格 设计约束（质量，功率，进度）。这是一种非常小的光学仪器，能够应付0.12 nm /像素的分辨率，并能承受火星环境（工作温度条件：从-40开始 oC至6 oC）。选择的解决方案基于单个透射全息光栅，专门设计用于 作为分散元件致动。 由西班牙，德国和英国组成的欧洲财团正在开发SPU飞行模型， 科学和工业伙伴。 在项目的此阶段，SPU团队正在改进和优化SPU FM设计和Delta RLS PDR 将于2011年10月举行。

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