Results 21 to 30 of about 26,265 (227)
A non-coherent holographic correlator based on a digital micromirror device [PDF]
Компьютерная оптика, 2018 The possibility of application of a digital micromirror device (DMD) as a spatial light modulator for outputting holographic filters in an optical correlator illuminated by quasi-monochromatic spatially incoherent radiation was discussed.
Vladislav Rodin
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ICT Express, 2018 We propose a single-shot digital holographic microscopy based on computational telecentricity with a single-arm off-axis interferometer (SA-OAI), which is composed of optical recording, computational compensation and retrieving processes.
Seong-Jin Park +2 more
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Holographic microscopy reconstruction in both object and image half spaces with undistorted 3D grid [PDF]
, 2015 We propose an holographic microscopy reconstruction method, which propagates the hologram, in the object half space, in the vicinity of the object. The calibration yields reconstructions with an undistorted reconstruction grid i.e.
Alexandre, Danier +3 more
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Holographic aberration correction: optimising the stiffness of an optical trap deep in the sample [PDF]
, 2011 We investigate the effects of 1st order spherical aberration and defocus upon the stiffness of an optical trap tens of μm into the sample. We control both these aberrations with a spatial light modulator. The key to maintain optimum trap stiffness over a
Bowman +22 more
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Volume Holographic Optical Elements as Solar Concentrators: An Overview
Applied Sciences, 2019 Generally, to reduce the area of a photovoltaic cell, which is typically very expensive, solar concentrators based on a set of mirrors or mechanical structures are used.
Maria Antonietta Ferrara +2 more
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A Virtual Optical Holographic Encryption System Using Expanded Diffie-Hellman Algorithm
IEEE Access, 2021 This paper presents a new method for encrypting information over a Virtual Optical Holographic Encryption (VOHE) system which employs a virtual optical system based on digital holography and Fourier lens.
Yang Peng +4 more
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Pixel size limit in holographic memories [PDF]
, 1999 The bandwidth of holographic recording in LiNbO3 (Fe doped) in the 90° geometry is studied theoretically and experimentally. The wide holographic bandwidth of LiNbO3 makes it possible to record submicrometer pixels and reconstruct them by phase ...
Liu, Wenhai, Psaltis, Demetri
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International Journal of Polymer Science, 2014 A holographic device characterised by a large angular range of operation is under development. The aim of this study is to increase the angular working range of the diffractive lens by stacking three layers of high efficiency optical elements on top of ...
Hoda Akbari +5 more
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Holographic Resonant Laser Printing of metasurfaces using plasmonic template [PDF]
, 2018 Laser printing with a spatial light modulator (SLM) has several advantages over conventional raster-writing and dot-matrix display (DMD) writing: multiple pixel exposure, high power endurance and existing software for computer generated holograms (CGH ...
Carstensen, Marcus S. +5 more
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Chern-Simons invariants from ensemble averages
Journal of High Energy Physics, 2021 We discuss ensemble averages of two-dimensional conformal field theories associated with an arbitrary indefinite lattice with integral quadratic form Q.
Meer Ashwinkumar +4 more
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