Sphinx：用于MSE的大规模多路复用光纤定位器
Sphinx: a massively multiplexed fiber positioner for MSE
摘要：
在本文中，我们提出了澳大利亚天文台的狮身人面像的概念设计-一个光纤定位与4332刺上7.77毫米间距CFHT的莫纳克亚光谱探测器（MSE）望远镜。基于与FMOS（斯巴鲁）和4 MOST（VISTA）一起使用的Echidna技术，倾斜脊柱设计的下一个演变提供了更好的性能和卓越的分配效率。已经建造了几个原型，证明了新设计对MSE的适用性。给出了原型测试的结果，并分析了倾斜脊柱对整体测量效率的影响。Sphinx光纤定位采用了一种新颖的计量系统，用于脊柱位置反馈。还提出了在现实的望远镜环境中实现所有光纤的可靠、高精度测量所需的计量设计和仔细考虑。
英文摘要：
In this paper we present the Australian Astronomical Observatory's concept design for Sphinx - a fiber positioned with 4332 spines on a 7.77mm pitch for CFHT's Mauna Kea Spectroscopic Explorer (MSE) Telescope. Based on the Echidna technology used with FMOS (on Subaru) and 4MOST (on VISTA), the next evolution of the tilting spine design delivers improved performance and superior allocation efficiency. Several prototypes have been constructed that demonstrate the suitability of the new design for MSE. Results of prototype testing are presented, along with an analysis of the impact of tilting spines on the overall survey efficiency. The Sphinx fiber positioned utilizes a novel metrology system for spine position feedback. The metrology design and the careful considerations required to achieve reliable, high accuracy measurements of all fibres in a realistic telescope environment are also presented.
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