All-fibre wavefront sensor

被引：3
作者：
Wright, T. A. [1 ]
Yerolatsitis, S. [1 ,3 ]
Harrington, K. [1 ]
Harris, R. J. [2 ]
Birks, T. A. [1 ]
机构：
[1] Univ Bath, Ctr Photon & Photon Mat, Dept Phys, Bath BA2 7AY, Avon, England
[2] Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany
[3] Univ Cent Florida, CREOL, Coll Opt & Photon, Orlando, FL 32816 USA
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2022年 / 514卷 / 04期
基金：
欧盟地平线“2020”;
关键词：
instrumentation: adaptive optics; ADAPTIVE-OPTICS; COMPENSATION;
D O I：
10.1093/mnras/stac1658
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We report on a tapered three-core optical fibre that can be used as a tip-tilt wavefront sensor. In this device, a coupled region of a few millimetres at the sensing tip of the fibre converts fragile phase information from an incoming wavefront into robust intensity information within each of the cores. The intensity information can be easily converted to linear wavefront error over small ranges, making it ideal for closed loop systems. The sensor uses minimal information to infer tip-tilt and is compatible with remote detector arrays. We explore its application within adaptive optics and present a validation case to show its applicability to astronomy.
引用
收藏
页码：5422 / 5428
页数：7
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