All-fibre wavefront sensor
All-fibre wavefront sensor
复制标题
全光纤波前传感器
DOI：
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发表时间：
2022
影响因子：
4.8
通讯作者：
T. Birks
中科院分区：
文献类型：
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作者：
T. A. Wright;S. Yerolatsitis;K. Harrington;R. Harris;T. Birks
我们报告的锥形三芯光纤，可用作倾斜倾斜波前传感器。在该装置中，在光纤的感测尖端处的几毫米的耦合区域将来自入射波前的脆弱相位信息转换成每个芯内的鲁棒强度信息。强度信息可以很容易地转换为小范围内的线性波前误差，使其成为闭环系统的理想选择。该传感器使用最少的信息来推断倾斜，并与远程探测器阵列兼容。我们探讨了它在自适应光学中的应用，并提出了一个验证的情况下，显示其适用于天文学。
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.