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Small form factor optical fiber connector evaluation for harsh environments

机译：小型光纤连接器评估，适用于恶劣环境

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For the past decade NASA programs have utilized the Diamond AVIM connector for optical fiber assemblies on space flight instrumentation. These connectors have been used in communications, sensing and LIDAR systems where repeatability and high performance are required. Recently Diamond has released a smaller form factor optical fiber connector called the "Mini-AVIM" which although more compact still includes the tight tolerances and the ratcheting feature of the heritage AVIM. NASA Goddard Space Flight Center Photonics Group in the Parts, Packaging and Assembly Technologies Office has been performing evaluations of this connector to determine how it compares to the performance of the AVIM connector and to assess its feasibility for harsh environmental applications. Vibration and thermal testing were performed on the Mini-AVIM with both multi-mode and single-mode optical fiber using insitu optical transmission monitoring. Random vibration testing was performed using typical launch condition profiles for most NASA missions but extended to 35 Grms, which is much higher than most requirements. Thermal testing was performed incrementally up to a range of -55℃ to +125℃. The test results include both unjacketed fiber and cabled assembly evaluations. The data presented here indicate that the Mini-AVIM provides a viable option for small form factor applications that require a high performance optical fiber connector.
机译：在过去的十年中，NASA计划已将Diamond AVIM连接器用于太空飞行仪器上的光纤组件。这些连接器已用于要求可重复性和高性能的通信，传感和激光雷达系统。最近，戴蒙德（Diamond）发布了一种尺寸更小的光纤连接器，称为“ Mini-AVIM”，尽管更加紧凑，但仍具有传统AVIM的严格公差和棘轮特性。零件，包装和装配技术办公室的NASA戈达德太空飞行中心光子学小组一直在对该连接器进行评估，以确定其与AVIM连接器的性能比较，并评估其在恶劣环境应用中的可行性。在Mini-AVIM上通过原位光传输监控对Mini-AVIM进行了振动和热测试。随机振动测试是针对大多数NASA任务使用典型的发射条件配置文件进行的，但扩展到35 Grms，远高于大多数要求。在-55℃至+ 125℃的范围内逐步进行热测试。测试结果包括无护套光纤和电缆组件的评估。此处显示的数据表明，Mini-AVIM为需要高性能光纤连接器的小型应用提供了可行的选择。

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