Results 11 to 20 of about 2,557,405 (292)
Roadmap on digital holography [Invited]
Optics Express, 2021 This Roadmap article on digital holography provides an overview of a vast array of research activities in the field of digital holography. The paper consists of a series of 25 sections from the prominent experts in digital holography presenting various aspects of the field on sensing, 3D imaging and displays, virtual and augmented reality, microscopy ...
Bahram Javidi +24 more
semanticscholar +7 more sources
Incoherent Digital Holography: A Review
Applied Sciences, 2018 Digital holography (DH) is a promising technique for modern three-dimensional (3D) imaging. Coherent holography records the complex amplitude of a 3D object holographically, giving speckle noise upon reconstruction and presenting a serious drawback ...
Jung-Ping Liu +3 more
doaj +2 more sources
Applied Sciences, 2020 In this work, the method of IR digital holography intended for detection of volumetric defects in ZnGeP2 single crystals has been tested. The holographic method is verified by a comparison of the results obtained with the data obtained by other methods ...
Victor Dyomin +7 more
doaj +2 more sources
Ultrafast 3D nanofabrication via digital holography. [PDF]
Nat Commun, 2023 The application of two-photon lithography has been limited by the low writing speed. The authors reported a multi-focus improved lithography platform that employs up to 2000 laser foci to perform parallel fabrication with 90 nm resolution via optimised ...
Ouyang W +5 more
europepmc +2 more sources
Automated phase unwrapping in digital holography with deep learning. [PDF]
Biomed Opt Express, 2021 Digital holography can provide quantitative phase images related to the morphology and content of biological samples. After the numerical image reconstruction, the phase values are limited between -π and π; thus, discontinuity may occur due to the modulo
Park S, Kim Y, Moon I.
europepmc +2 more sources
digHolo : High-speed library for off-axis digital holography and Hermite-Gaussian decomposition [PDF]
Digital Holography and 3-D Imaging 2022, 2022 digHolo is an open-source library for reconstructing optical fields using off-axis digital holography. The library is particularly efficient at decomposing fields into Hermite-Gaussian coefficients and related bases.
J. Carpenter
semanticscholar +1 more source
Dual-comb hyperspectral digital holography [PDF]
Nature Photonics, 2021 Holography1 has always held special appeal as it is able to record and display spatial information in three dimensions2–10. Here we show how to augment the capabilities of digital holography11,12 by using a large number of narrow laser lines at precisely
Edoardo Vicentini +4 more
semanticscholar +1 more source
Convolutional Neural Network (CNN) vs Vision Transformer (ViT) for Digital Holography [PDF]
2022 2nd International Conference on Computer, Control and Robotics (ICCCR), 2021 In Digital Holography (DH), it is crucial to extract the object distance from a hologram in order to reconstruct its amplitude and phase. This step is called auto-focusing and it is conventionally solved by first reconstructing a stack of images and then
Stéphane Cuenat, R. Couturier
semanticscholar +1 more source
Imaging atmospheric aerosol particles from a UAV with digital holography. [PDF]
Sci Rep, 2020 The lack of quantitative characterization of aerosol particles and their loading in the atmosphere is one of the greatest uncertainties in climate-change science.
Kemppinen O +4 more
europepmc +2 more sources
Design of broadband terahertz vector and vortex beams: I. Review of materials and components
Light: Advanced Manufacturing, 2022 In this paper, we review the existing approaches for vortex and vector beam shaping and generation in the terahertz frequency range. The particular focus of this review is on the possibility of homogeneous topological charge formation in the ultra-wide ...
Nikolay V. Petrov +4 more
doaj +1 more source