CARMENES-NIR高热稳定性的综合瞬态研究
Comprehensive transient-state study for CARMENES-NIR high thermal stability
摘要：
CARMENES被提议作为3.5米Calar Alto望远镜的下一代仪器。它的目标是通过近红外线的径向速度测量（m/s级）在M矮星周围找到可居住的系外行星。因此，NIR光谱仪在热/机械要求方面受到高度限制。作为第一种方法，在243 K的工作温度下，热稳定性已被限制为\pm 0.01 K（在一年内）。这可以通过几个温度控制室来实现。这里介绍了为最大限度地降低热设计复杂性而考虑的选项，以及为做出最佳选择而实现的瞬态热分析。
英文摘要：
CARMENES has been proposed as a next-generation instrument for the 3.5m Calar Alto Telescope. Its objective is finding habitable exoplanets around M dwarfs through radial velocity measurements (m/s level) in the near-infrared. Consequently, the NIR spectrograph is highly constraint regarding thermal/mechanical requirements. As a first approach, the thermal stability has been limited to \pm 0.01K (within year period) over a working temperature of 243K. This can be achieved by means of several temperature-controlled rooms. The options considered to minimise the complexity of the thermal design are here presented, as well as the transient-state thermal analyses realised to make the best choice.
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