论文标题

MLA纤维耦合整体场单元的望远镜焦距的优化

Optimization of telescope focal ratios for MLA-fiber coupled Integral Field Units

论文作者

Chattopadhyay, Sabyasachi, Bershady, Matthew A., Wolf, Marsha J., Smith, andMichael P.

论文摘要

我们已经开发了一种使用微芯耦合纤维来确定望远镜输入梁速度的分析模型,以优化透镜透明孔径并最大程度地减少纤维焦距降解。假设灯镜以f/3.5馈电纤维,我们的研究表明,f/11是最佳的望远镜束速度,可将镜头耦合到具有100UM直径芯的纤维。这些考虑因素与采用透镜耦合光纤系统的高效,专用的调查望远镜设计有关。

We have developed an analytic model for generic image transfer using microlens-coupled fibers to determine the telescope input beam speed that optimizes the lenslet clear aperture and minimizes fiber focal-ratio degradation. Assuming fibers are fed at f/3.5 by the lenslets, our study shows that f/11 is the optimum telescope beam speed to feed a lenslet coupled to a fiber with a 100um diameter core. These considerations are relevant for design of high-efficiency, dedicated survey telescopes that employ lenslet-coupled fiber systems.

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