End effects in optical fibres

End effects in optical fibres
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光纤的末端效应

DOI:
10.1093/mnras/stt1842
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发表时间:
2013
影响因子:
4.8
通讯作者:
Allington-Smith J
Allington-Smith J
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Allington-Smith J

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高复用光谱仪的性能受到光纤焦比退化(FRD)的限制。已经证明,这主要是由集中在纤维末端安装点周围的过程引起的。当光纤被准直光束照射时,我们使用在远场产生的环的厚度来估计产生FRD的区域的大小。这需要开发一种新的模型,利用现有的光线追踪和基于波的模型的特征,非常适合现有的数据。结果表明,FRD的量主要由粘接到支撑卡箍中的纤维长度决定。我们指出了对未来光纤系统生产的影响。
The performance of highly multiplexed spectrographs is limited by focal ratio degradation (FRD) in the optical fibres. It has already been shown that this is caused mainly by processes concentrated around the mounting points at the ends of the fibres. We use the thickness of rings produced in the far-field when a fibre is illuminated by a collimated beam, to estimate the size of the region where the FRD is generated. This requires the development of a new model, using features of existing ray-tracing and wave-based models, which fits existing data very well. The results suggest that the amount of FRD is primarily determined by the length of fibre bonded into the supporting ferrule. We point out the implications for the production of future fibre systems.
DOI: 10.1117/12.926568
发表时间: 2012-08
期刊: --
影响因子: --
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通讯作者: A. Eigenbrot;M. Bershady;C. M. Wood
DOI: --
发表时间: 2012
期刊:
影响因子: --
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适用于 Subaru 望远镜的光纤多目标光谱仪 (FMOS)。
DOI: --
发表时间: 2003
期刊: SPIE 4841
影响因子: --
作者:
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