Multi-focal Shack–Hartmann wavefront sensing with self-interference Chinese Taiji-lenslet array
Sign Up to like & getrecommendations! Published in 2021 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2021.106645
Abstract: Abstract Shack–Hartmann wavefront sensor (SHWS) is a traditional method of obtaining the phase information of the incident light. As a classical method, SHWS has the merit of simple structure, good usability, real-time monitoring and wide… read more here.
Keywords: lenslet array; self interference; taiji lenslet; shack hartmann ... See more keywords
Single-shot phase diversity wavefront sensing in deep turbulence via metasurface optics
Sign Up to like & getrecommendations! Published in 2024 at "Nature Photonics"
DOI: 10.1038/s41566-025-01772-4
Abstract: Free-space optical communication systems offer high-bandwidth, secure communication with minimal capital costs. Adaptive optics are typically added to these systems to decrease atmospheric channel losses; however, the performance of traditional adaptive optics wavefront sensors degrades… read more here.
Keywords: phase diversity; optics; wavefront sensing; turbulence ... See more keywords
Projected Pupil Plane Pattern:an alternative LGS wavefront sensing technique
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty926
Abstract: For the next generation of extremely large telescopes, Focal Anisoplanatism (FA) renders single Laser Guide Star AO useless. Here we analyze a novel LGS alternative configuration with corresponding wavefront sensing and reconstruction method, termed Projected… read more here.
Keywords: wavefront sensing; laser; plane pattern; projected pupil ... See more keywords
Characterizing Biphoton Spatial Wave Function Dynamics with Quantum Wavefront Sensing.
Sign Up to like & getrecommendations! Published in 2024 at "Physical review letters"
DOI: 10.1103/physrevlett.133.033602
Abstract: With an extremely high dimensionality, the spatial degree of freedom of entangled photons is a key tool for quantum foundation and applied quantum techniques. To fully utilize the feature, the essential task is to experimentally… read more here.
Keywords: spatial wave; wavefront sensing; biphoton; wave function ... See more keywords
Soft X-ray wavefront sensing at an ellipsoidal mirror shell
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Synchrotron Radiation"
DOI: 10.1107/s1600577524003643
Abstract: Phase retrieval at an axisymmetric ellipsoidal mirror is demonstrated with soft X-rays (277 eV), completed by a reconstruction of the focus as well as figure and alignment error of the mirror. Based on simple measurements of… read more here.
Keywords: mirror; wavefront sensing; ellipsoidal mirror; sensing ellipsoidal ... See more keywords
Fiber-Connected Wavefront-Sensing System for Large Segmented Space Telescopes
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2023.3271985
Abstract: A metrology system capable of cofocusing and cophasing is essential to ensure the performance of large segmented space telescopes, similar to that of monolithic telescopes, as well as to image the faintest galaxies. A fiber-linked–wavefront-sensing… read more here.
Keywords: system; space; space telescopes; segmented space ... See more keywords
Efficient wavefront sensing for space-based adaptive optics
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Astronomical Telescopes, Instruments, and Systems"
DOI: 10.1117/1.jatis.6.1.019001
Abstract: Abstract. Future large space telescopes will be equipped with adaptive optics (AO) to overcome wavefront aberrations and achieve high contrast for imaging faint astronomical objects, such as Earth-like exoplanets and debris disks. In contrast to… read more here.
Keywords: focal plane; adaptive optics; space based; wavefront sensing ... See more keywords
High dynamic range wavefront sensing via digital moiré shearing interferometry
Sign Up to like & getrecommendations! Published in 2025 at "Optical Engineering"
DOI: 10.1117/1.oe.64.9.094101
Abstract: Abstract. Aspherical, free-form, and off-axis asymmetric optical elements often exhibit high dynamic range wavefront errors (HDR-wavefronts) during measurement. Wavefront sensing technology can currently be broadly categorized into two main types: interferometric and non-interferometric. Interferometric methods,… read more here.
Keywords: wavefront sensing; interferometry; high dynamic; range wavefront ... See more keywords
Experimental study on high-precision phase diversity wavefront sensing using a distorted grating.
Sign Up to like & getrecommendations! Published in 2025 at "Applied optics"
DOI: 10.1364/ao.550365
Abstract: Phase diversity using a distorted grating is recognized as an effective wavefront sensing technique. The distorted grating is capable of simultaneously generating multiple images with specific diversity phases, offering advantages such as high efficiency of… read more here.
Keywords: phase diversity; distorted grating; wavefront sensing; diversity ... See more keywords
Field diversity phase retrieval method for wavefront sensing in monolithic mirror space telescopes.
Sign Up to like & getrecommendations! Published in 2017 at "Applied optics"
DOI: 10.1364/ao.56.004224
Abstract: To guarantee the uniqueness of the solution for the wavefront phase, a series of intensity images with known phase diversities is usually needed in the current phase retrieval wavefront sensing methods. However, to obtain these… read more here.
Keywords: wavefront sensing; phase; diversity; method ... See more keywords
Phase retrieval wavefront sensing for space adaptive optics using one significantly defocused image.
Sign Up to like & getrecommendations! Published in 2025 at "Applied optics"
DOI: 10.1364/ao.564526
Abstract: A wavefront sensing method based on a single-frame, significantly defocused point spread function is proposed for retrieving higher-order Zernike aberration coefficients in space optical systems. Unlike conventional phase retrieval algorithms, the proposed approach eliminates the… read more here.
Keywords: significantly defocused; space; optics; wavefront sensing ... See more keywords