AI 中文总结
介绍宽视场光谱望远镜（WST）中低分辨率多目标光谱仪（MOS-LR）的设计与性能权衡，该仪器多路复用能力强、视场大，巡天效率高，但面临诸多挑战，通过系统方法权衡光学和机械设计选项。
AI 中文摘要
宽视场光谱望远镜（WST）是一台规划中的12米级专用光谱设备，旨在通过大规模光谱巡天应对关键科学挑战。本文介绍了低分辨率多目标光谱仪（MOS-LR）的设计与性能权衡。该仪器具有30000的多路复用能力，覆盖3.1平方度的视场，将提供前所未有的巡天效率，比现有设备高出一个数量级。它在370至930纳米范围内，分辨率为3000，天空投影光纤直径为1角秒，在设计、制造和维护上面临极端挑战。我们提出了一种系统方法来权衡光学和机械设计选项，同时考虑体积、质量等限制以及探测器和光栅等预计可用性。
英文摘要
The Wide-field Spectroscopic Telescope (WST) is a planned 12-meter-class dedicated spectroscopic facility designed to address key scientific challenges through large spectroscopic surveys. This paper presents design and performance trade-offs for the Low-Resolution Multi-Object Spectrograph (MOS-LR) instrument. With a multiplex of 30,000 covering a field of view of 3.1 square degrees, this instrument will provide unprecedented survey efficiency, an order of magnitude beyond those of current facilities. Covering the 370 to 930 nm range at a resolving power of 3,000 with a sky-projected fiber diameter of 1 arcsec, this instrument faces extreme challenges in design, manufacturing, and maintenance. We present a systematic approach to trading off optical and mechanical design options, taking into account constraints such as volume and mass, but also projected availability of detectors and gratings etc.
