Vectorial Adaptive Optics: A New Horizon in Phase and Polarization Correction

Vectorial Adaptive Optics

They range from galaxy detection to nanofabrication of integrated circuit chips and encompassing biomedical and clinical characterization. Credit: Chao He, Jacopo Antonello, Martin J. Booth

Vectorial adaptive optics (V-AO) is an innovative approach to correct phase and polarization aberrations in optical systems. It improves resolution and vector field uniformity, impacting fields like biomedical imaging, astronomy, and nanofabrication.

Adaptive optics (AO) is a technique used for real-time correction of phase aberrations by employing feedback to adjust the optical system. Polarization aberrations represent another significant type of distortion that can impact optical systems. Various factors, such as stressed optical elements, Fresnel effects, and polarizing effects in materials or biological tissues, can induce polarization aberrations. These aberrations affect both system resolution and the accuracy of vector information.

Vectorial Aberrations in Optical Systems

Vectorial aberrations result from the combined effects of phase and polarization aberrations. They can substantially influence the performance of many modern optical systems, especially those sensitive to vectors or requiring high resolution. For example, in lithographic systems, polarization aberrations play a crucial role in systematic resolution, affecting the quality of the manufactured chips.

Introducing Vectorial Adaptive Optics

In a recent publication in the journal eLight, a team of scientists, led by Dr. Chao He from the University of Oxford, has introduced a next-generation AO technique termed vectorial adaptive optics (V-AO). This technique aims to enhance both the uniformity of the vector field state and the optical resolution of an optical system.

V-AO is an innovative technique designed to correct both polarization and phase aberrations. It stands as a powerful tool capable of improving the performance of various optical systems, including microscopes, telescopes, and laser systems. This advancement offers new insights into cutting-edge biomedical imaging, planetary observation, and the manufacturing of integrated circuit chips.

V-AO Techniques and Applications

The authors of the paper outline three distinct methods for implementing V-AO: sensor-based, quasi-sensorless, and modal-sensorless. They also present experimental results showcasing the effectiveness of V-AO in correcting common vectorial aberrations.

V-AO represents a promising and innovative technology poised to revolutionize the optics community. Its potential lies in enhancing the performance of optical systems and enabling new applications. Through vectorial field feedback control methods, this next-generation AO technique is expected to benefit various research areas, ranging from astronomical telescopes to microscopy. Its applications extend from galaxy detection to laser-based and lithographic nanofabrication, as well as biomedical and clinical characterization.

Reference: “Vectorial adaptive optics” by Chao He, Jacopo Antonello and Martin J. Booth, 27 November 2023, eLight.
DOI: 10.1186/s43593-023-00056-0

4 Comments on "Vectorial Adaptive Optics: A New Horizon in Phase and Polarization Correction"

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