Computational Three-Dimensional Imaging System via Diffraction Grating Imaging with Multiple Wavelengths [PDF]
Sensors, 2021 This paper describes a computational 3-D imaging system based on diffraction grating imaging with laser sources of multiple wavelengths. It was proven that a diffraction grating imaging system works well as a 3-D imaging system in our previous studies ...
Jae-Young Jang, Hoon Yoo
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Angular alignment and fidelity of neutron phase-gratings for improved interferometer fringe visibility [PDF]
AIP Advances, 2019 The recent development of phase-grating moiré neutron interferometry promises a wide range of impactful experiments from dark-field imaging of material microstructure to precise measurements of fundamental constants.
B. Heacock +8 more
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Image Enhancement of Computational Reconstruction in Diffraction Grating Imaging Using Multiple Parallax Image Arrays [PDF]
Sensors, 2020 This paper describes an image enhancement method of computational reconstruction for 3-D images with multiple parallax image arrays in diffraction grating imaging. A 3-D imaging system via a diffraction grating provides a parallax image array (PIA) which
Jae-Young Jang, Hoon Yoo
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Emerging beam resonances in atom diffraction from a reflection grating [PDF]
Phys. Rev. Lett. 104, 240404 (2010), 2010 We report on the observation of emerging beam resonances, well known as Rayleigh-Wood anomalies and threshold resonances in photon and electron diffraction, respectively, in an atom-optical diffraction experiment.
Bum Suk Zhao +3 more
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Large bandwidth, highly efficient optical gratings through high index materials [PDF]
, 2008 We analyze the diffraction characteristics of dielectric gratings that feature a high index grating layer, and devise, through rigorous numerical calculations, large bandwidth, highly efficient, high dispersion dielectric gratings in reflection ...
Baldry +17 more
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Measurement of atomic diffraction phases induced by material gratings [PDF]
, 2005 Atom-surface interactions can significantly modify the intensity and phase of atom de Broglie waves diffracted by a silicon nitride grating. This affects the operation of a material grating as a coherent beam splitter.
Alexander D. Cronin +4 more
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Transmissive Suppressed-Order Diffraction Grating (SODG) [PDF]
arXiv, 2019 We present a novel type of Suppressed-Order Diffraction Grating(SODG). An SODG is a diffraction grating whose diffraction orders have all been suppressed except one that is selected to provide electromagnetic deflection.
Caloz, Christophe +2 more
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Self-enhanced diffraction from fixed photorefractive gratings during coherent reconstruction [PDF]
, 1993 We explore, theoretically and experimentally, the effects of self-enhancement (or self-depletion) of the diffraction which occurs during coherent reconstruction from fixed photorefractive gratings.
Kewitsch, Anthony +3 more
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Direct Writing of Quasi-Sinusoidal and Blazed Surface Relief Optical Transmission Gratings in Bi12GeO20, Er: LiNbO3 and Er: Fe: LiNbO3 Crystals by Nitrogen Ion Microbeams of 5 MeV and 10.5 MeV Energy [PDF]
SensorsHigh diffraction efficiency optical transmission gratings with quasi-sinusoidal and saw-tooth surface relief profiles were fabricated in Bi12GeO20, Er: LiNbO3 and Er: Fe: LiNbO3 crystals by ion beam implantation.
István Bányász +7 more
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Technologies for Fabricating Large-Size Diffraction Gratings [PDF]
SensorsLarge-size diffraction gratings have played an important role in modern scientific fields such as inertial confinement fusion, large-aperture astronomical telescopes, and high-precision immersion lithography machines with long-stroke displacement stages.
Changfeng Shao, Xinghui Li
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