Vectorial adaptive optics: correcting both polarization and phase

November 28, 2023 09:45 PM AEDT | By EIN Presswire
Follow us on Google News:

CHINA, November 28, 2023 /EINPresswire.com/ -- Vectorial Adaptive Optics (V-AO) excels in correcting polarization and phase distortions, surpassing traditional AO. Its implementation through three methods not only enhances the vector field state but also improves the focal quality, thereby expanding its applications across diverse fields, promising advancements in optical systems and beyond.

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 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.

In a recent publication in 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.

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.

DOI
10.1186/s43593-023-00056-0

Original Source URL
https://doi.org/10.1186/s43593-023-00056-0

Funding information
This work was supported by the European Research Council (AdOMiS, no. 695140). C.H. was supported through a Junior Research Fellowship from St John’s College, University of Oxford.

Lucy Wang
BioDesign Research
email us here


Disclaimer

The content, including but not limited to any articles, news, quotes, information, data, text, reports, ratings, opinions, images, photos, graphics, graphs, charts, animations and video (Content) is a service of Kalkine Media Pty Ltd (Kalkine Media, we or us), ACN 629 651 672 and is available for personal and non-commercial use only. The principal purpose of the Content is to educate and inform. The Content does not contain or imply any recommendation or opinion intended to influence your financial decisions and must not be relied upon by you as such. Some of the Content on this website may be sponsored/non-sponsored, as applicable, but is NOT a solicitation or recommendation to buy, sell or hold the stocks of the company(s) or engage in any investment activity under discussion. Kalkine Media is neither licensed nor qualified to provide investment advice through this platform. Users should make their own enquiries about any investments and Kalkine Media strongly suggests the users to seek advice from a financial adviser, stockbroker or other professional (including taxation and legal advice), as necessary. Kalkine Media hereby disclaims any and all the liabilities to any user for any direct, indirect, implied, punitive, special, incidental or other consequential damages arising from any use of the Content on this website, which is provided without warranties. The views expressed in the Content by the guests, if any, are their own and do not necessarily represent the views or opinions of Kalkine Media. Some of the images/music that may be used on this website are copyright to their respective owner(s). Kalkine Media does not claim ownership of any of the pictures displayed/music used on this website unless stated otherwise. The images/music that may be used on this website are taken from various sources on the internet, including paid subscriptions or are believed to be in public domain. We have used reasonable efforts to accredit the source wherever it was indicated as or found to be necessary.



Top ASX Listed Companies

We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it. OK