Optical fiber systems for the BigBOSS instrument
Optical fiber systems for the BigBOSS instrument
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DOI：
10.1117/12.925196
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发表时间：
2012-09
期刊：
影响因子：
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通讯作者：
J. Edelstein;C. Poppett;M. Sirk;R. Besuner;R. Lafever;J. Allington-Smith;G. Murray
中科院分区：
文献类型：
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作者：
J. Edelstein;C. Poppett;M. Sirk;R. Besuner;R. Lafever;J. Allington-Smith;G. Murray
我们描述的光纤系统中使用的BigBOSS，建议大规模并行多目标光谱仪的基特峰Mayall 4米望远镜，将测量重子声振荡，探索暗能量。BigBOSS将包括5,000根光纤，每根光纤都精确定位，以收集望远镜主焦点处天文目标的通量。这些光纤将穿过望远镜设施40 m，为10台可见光波段成像光谱仪提供信号。我们报告我们的纤维组件开发和性能测量计划。结果包括焦比退化（FRD）的数值模拟，实际光纤的准直和会聚光束FRD的观测，以及不同类型的光纤终端，机械连接器和熔接连接的FRD的观测。
We describe the fiber optics systems for use in BigBOSS, a proposed massively parallel multi-object spectrograph for the Kitt Peak Mayall 4-m telescope that will measure baryon acoustic oscillations to explore dark energy. BigBOSS will include 5,000 optical fibers each precisely actuator-positioned to collect an astronomical target’s flux at the telescope prime-focus. The fibers are to be routed 40m through the telescope facility to feed ten visible-band imaging spectrographs. We report on our fiber component development and performance measurement program. Results include the numerical modeling of focal ratio degradation (FRD), observations of actual fibers’ collimated and converging beam FRD, and observations of FRD from different types of fiber terminations, mechanical connectors, and fusion-splice connections.