Intensity adaptive optics
arxiv(2024)
摘要
Adaptive optics (AO) is a powerful tool used in a wide range of research
areas spanning from aerospace to microscopy. To date, AO has largely been
applied to optical phase aberration correction, with recent advances extending
to include the vectorial properties of light. However, intensity errors widely
exist in optical systems, yet their associated correction methods are still
very much in their infancy. Here, we propose a new adaptive optics method that
is termed intensity adaptive optics (I-AO), which features a dual-feedback loop
for intensity aberration correction that addresses both intensity uniformity
and the overall intensity. We demonstrate that I-AO can operate in both
sensor-based and sensorless regimes and validate its feasibility by
quantitatively analysing the quality of the focus of an aberrated optical
system. This technique expands the AO toolkit, broadens its scope of
application, and opens a new avenue for next-generation AO innovations.
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