Advances in Optical Coherence Tomography Imaging Technology and Techniques for Choroidal and Retinal Disorders by Joshua Ong, Arman Zarnegar, Giulia Corradetti, Sumit Randhir Singh, Jay Chhablani

“…The emerging innovations discussed include wide-field OCT, adaptive optics OCT, polarization sensitive OCT, full-field OCT, hand-held OCT, intraoperative OCT, at-home OCT, and more. …”
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Adaptive Generation and Diagnostics of Linear Few-Cycle Light Bullets by Martin Bock, Ruediger Grunwald

“…The combination of the unique propagation properties of light bullets with the flexibility of adaptive optics opens new prospects for applications of structured light like optical tweezers, microscopy, data transfer and storage, laser fusion, plasmon control or nonlinear spectroscopy.…”
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Two-dimensional control of light with light on metasurfaces by Maria Papaioannou, Eric Plum, João Valente, Edward TF Rogers, Nikolay I Zheludev

“…Our approach offers diffraction-limited resolution, potentially at arbitrarily-low intensity levels and with 100 THz bandwidth, thus promising new applications in space-division multiplexing, adaptive optics, image correction, processing and recognition, 2D binary optical data processing and reconfigurable optical devices.…”
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Design of an Electrically Tunable Micro-Lens Based on Graded Photonic Crystal by YongLe Qi, XiaoHong Sun, Shuai Wang, WenYang Li, ZhongYong Wang

“…This research is crucial for future applications of the proposed device in the integrated photonics and adaptive optics.…”
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Emulated retinal image capture (ERICA) to test, train and validate processing of retinal images by Laura K. Young, Hannah E. Smithson

“…Abstract High resolution retinal imaging systems, such as adaptive optics scanning laser ophthalmoscopes (AOSLO), are increasingly being used for clinical research and fundamental studies in neuroscience. …”
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Ultracompact Nanophotonics: Light Emission and Manipulation with Metasurfaces by Yu-Heng Hong, Wen-Cheng Hsu, Wei-Cheng Tsai, Yao-Wei Huang, Shih-Chen Chen, Hao-Chung Kuo

“…With the expeditious needs of miniature functional devices and systems for adaptive optics and light manipulation at will, relevant sensing techniques are thus in the urgent stage of development. …”
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Deep Learning Based Object Attitude Estimation for a Laser Beam Control Research Testbed by Leonardo Herrera, Kim Jae Jun, Jeffrey Baker, Brij N. Agrawal

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TESS Spots a Hot Jupiter with an Inner Transiting Neptune

“…Nevertheless, we are confident that the inner planet is real, based on follow-up ground-based photometry and adaptive-optics imaging that rule out other plausible sources of the TESS transit signal. …”
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The ELT-MOS (MOSAIC): Towards the construction phase by Morris, S, Hammer, F, Jagourel, P, Dalton, G, Rodrigues, M, Lewis, I

“…A prompt implementation of MOSAIC is feasible, and indeed could increase the robustness and reduce risk on the ELT, since it does not require diffraction limited adaptive optics performance. Science programmes and survey strategies are currently being investigated by the Consortium, which is also hoping to welcome a few new partners in the next two years.…”

SINFONI: A near infrared AO assisted integral field spectrometer for the VLT by Thatte, N, Tecza, M, Eisenhauer, F, Mengel, S, Krabbe, A, Pak, S, Genzel, R, Bonaccini, D, Emsellem, E, Rigaut, F, Delabre, B, Monnet, G

“…This unique capability is achieved by combining two state-of-the-art developments, an integral field spectrometer (SPIFFI) and a curvature sensor based adaptive optics system (MACAO). SINFONI is a collaborative effort by the Max-Planck-Institut fur extraterrestrische Physik (MPE) and the European Southern Observatory (ESO).SINFONI will operate at the Cassegrain focus of Unit Telescope 1 (UT1) of the VLT, in conjunction with a Laser Guide Star (LGS) for almost complete sky coverage. …”

Direct laser-written aperiodic photonic volume elements for complex light shaping with high efficiency: inverse design and fabrication by Barré, N, Shivaraman, R, Moser, S, Salter, P, Schmidt, M, Booth, MJ, Jesacher, A

“…We experimentally achieve unprecedented diffraction efficiencies up to 80%, which is enabled by precise voxel characterization and adaptive optics during fabrication. We demonstrate APVEs with various functionalities, including a spatial mode converter and combined intensity shaping and wavelength multiplexing. …”

Emulated retinal image capture (ERICA) to test, train and validate processing of retinal images by Young, LK, Smithson, HE

“…High resolution retinal imaging systems, such as adaptive optics scanning laser ophthalmoscopes (AOSLO), are increasingly being used for clinical research and fundamental studies in neuroscience. …”

METIS - the Mid-infrared E-ELT Imager and Spectrograph by Brandl, B, Lenzen, R, Pantin, E, Glasse, A, Blommaert, J, Venema, L, Molster, F, Siebenmorgen, R, Boehnhardt, H, Dishoeck, E, Werf, P, Henning, T, Brandner, W, Lagage, P, Moore, T, Baes, M, Waelkens, C, Wright, C, Kaeufl, H, Kendrew, S, Stuik, R, Jolissaint, L

“…We also discuss the challenging aspects of background suppression techniques, adaptive optics in the mid-IR, and telescope site considerations. …”

De-warping of images and improved eye tracking for the scanning laser ophthalmoscope. by Phillip Bedggood, Andrew Metha

“…We used high-speed (200 fps), high-resolution (~1 μm), flood-based imaging of the human retina with adaptive optics to obtain "ground truth" information on the retinal image and motion of the eye. …”
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P2.01 HIGH RESOLUTION IMAGING OF SMALL ARTERIES IN THE HUMAN RETINA DURING HYPERTENSIVE RETINOPATHY by M. Paques, E. Koch, X. Girerd, F. Rossant, D. Rosenbaum, J. Benesty, J. Sahel, P. Chaumet-Riffaud

“…However, the corresponding structural modifications of the wall of microvessels are poorly known. Here, using adaptive optics (AO) infrared imaging, we analyzed the vascular microstructures in subjects with various degree of hypertensive retinopathy. …”
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Vision is protected against blue defocus by Clara Benedi-Garcia, Maria Vinas, Carlos Dorronsoro, Stephen A. Burns, Eli Peli, Susana Marcos

“…The combination of monochromatic and chromatic aberrations is not additive and these aberrations may interact to improve image quality. Using Adaptive Optics, we investigated the optical and visual effects of correcting monochromatic aberrations when viewing polychromatic grayscale, green, and blue images. …”
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A new trifocal corneal inlay for presbyopia by Walter D. Furlan, Diego Montagud-Martínez, Vicente Ferrando, Salvador García-Delpech, Juan A. Monsoriu

“…We next confirm experimentally the image forming capabilities of our proposal employing an adaptive optics based optical simulator. This new design also has a number of parameters that can be varied to make personalized trifocal CI, opening up a new avenue for the treatment of presbyopia.…”
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Chiral Metasurfaces: A Review of the Fundamentals and Research Advances by Semere Araya Asefa, Sangmin Shim, Myeongsu Seong, Dasol Lee

“…Tunability is achieved by manipulating the meta-atom’s property in response to external stimuli for applications such as optical modulation, chiral photonics, advanced sensing, and adaptive optics. Deep-learning modeling techniques, such as CNNs and GANs, offer efficient learning of the complex relationships in data, enabling the optimization and accurate prediction of chiral metasurface properties. …”
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Wavefront engineering for controlled structuring of far-field intensity and phase patterns from multimodal optical fibers by Liam Collard, Filippo Pisano, Marco Pisanello, Antonio Balena, Massimo De Vittorio, Ferruccio Pisanello

“…Adaptive optics methods have long been used to perform complex light shaping at the output of a multimode fiber (MMF), with the specific aim of controlling the emitted beam in the near field and enabling the realization of a new generation of endoscopes based on a wide variety of spectroscopic techniques. …”
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Image Registration Based on Camera Calibration for Dual-Wavelength Retinal Oximetry by Yong-Li Xian, Cong-Zheng Wang, Yun Dai

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