Binary phase-only gallium oxide diffractive optical element for beam shaping by Wei Jia, Steve Blair, Berardi Sensale-Rodriguez

“…Abstract This study presents an experimentally validated demonstration of an inverse-optimized binary phase-only gallium oxide diffractive optical element (DOE). …”
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Optical classification of images at different wavelengths using spectral diffractive neural networks by G.A. Motz, D.V. Soshikov, L.L. Doskolovich, E.V. Byzo, E.A. Bezus, D.A. Bykov

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Dichroic mirror pulses for optimized higher-order atomic Bragg diffraction by D. Pfeiffer, M. Dietrich, P. Schach, G. Birkl, E. Giese

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Electric field tunable diffraction optical element based on strontium–barium niobate single crystals by Vera Shikhova, Andrey Akhmatkhanov, Maria Chuvakova, Ludmila Ivleva, Vladimir Pavelyev, Maxim Nebogatikov, Vladimir Shur

“…In this paper, we present the electric field controllable diffractive optical elements in strontium–barium niobate single crystals with stable tailored spiral-shaped domain structure and demonstrate the generation of optical beam with orbital angular momentum. …”
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Flat Dielectric Waveguides of the Terahertz Range and Diffraction Antennas on Their Basis by I. G. Mironenko, S. S. Sokolov, A. A. Ivanov

“…In this work, we use the principles of the finite element method to solve the problem of finding a propagation constant in a flat multilayer dielectric waveguide, and show how to reduce the number of elements when setting optimal boundary conditions. …”
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Multispectral Extended Depth-of-Field Imaging via Stochastic Wavefront Optimization by Exequiel Oliva, Nelson Diaz, Samuel Pinilla, Esteban Vera

Subjects: “…Diffractive optical element…”
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Axial Multifocus Beams Formed by Binary Optical Elements by Ning Xu, Huan Xiao, Zhe Kong, Qiaofeng Tan

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Occurrence State of Rare Earth Elements in the Paleo-Weathering Crust of the Tieling Formation, Northern Hebei Province by X-Ray Diffraction and Electron Probe Microanalysis by Haiyan CHEN, Yunqiang ZHANG, Xiangju MAO, Ruihong LI

“…In this paper, the occurrence state of rare earth elements in the paleo-weathering crust of the Tieling Formation was systematically studied by using the techniques of stepwise chemical extraction, X-ray diffraction, heavy minerals identification, and electron probe microanalysis. …”
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Non-destructive estimation of 3D residual stress for peened materials using X-ray diffraction and eigenstrain theory by Takeshi KITAZAWA, Ryohei OKUI, Yuto SANO, Masaru OGAWA

“…If the three-dimensional residual stress of various surface finished materials can be identified, it will be possible to evaluate the quality and consider the optimal surface-finishing method. Currently, methods for identifying residual stress include repeated surface measurement using X-ray diffraction and electropolishing. …”
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A finite element method for exterior interface problems by R. C. Maccamy, S. P. Marin

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Study of the Effect of Regulating Alloying Elements and Optimizing Heat Treatment Processes on the Microstructure Properties of 20MnCr5 Steel Gears by Li Luo, Yong Chen, Fucheng Zhao, Weifeng Hua, Xu Song, Zhengyun Xu, Zhicheng Jia

“…This study provides a guiding model theory and experimental verification for regulating proportions of alloying elements and optimizing the heat treatment process of low-carbon-alloy steel.…”
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FORMATION AND RESEARCH OF MULTI-LAYER COMPOSITE PLASMA OXIDE COATINGS BASED ON ELEMENTS OF SCREEN METEROID PTOTECTION by V. A. Okovity, F. I. Panteleenko, O. G. Devoino, V. V. Okovity, V. M. Astashinsky, P. P. Hramtsov, M. Yu. Chernik, V. V. Uglov, S. B. Sobolevskу

“…Optimization of air plasma spraying parameters for NiAl and Al2O3 materials has been carried out in the paper. …”
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Curved Holographic Augmented Reality Near-Eye Display System Based on Freeform Holographic Optical Element with Extended Field of View by Hong Xu, Yuan Xu, Changyu Wang, Juan Liu

“…We analyze the system by exploiting the diffraction theory between plane and curved surface, and a layered and weighted FOV optimization method using particle swarm optimization algorithm is proposed to realize the optimization of the phase of freeform HOE. …”
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Austenite evolution and quantification in aged 250 maraging steel: A comparative analysis of X-ray diffraction methods by Fábio Lima da Silva, Julianna Magalhães Garcia, Alaelson Vieira Gomes, Luiz Paulo Mendonca Brandao

“…Transmission electron microscopy (TEM) coupled with energy-dispersive X-ray spectroscopy (EDS) enabled elemental analysis at both aging temperatures, providing insight into the precipitate size distribution. …”
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Fast simulation of the influence of a refractive free-form microstructure on a wave field based on scalar diffraction theory by Thiemicke Fabian, El-Bashar Ramy, Hameed Mohamed F.M., Agour Mostafa, Obayya Salah S.A., Bergmann Ralf B., Falldorf Claas

“…The FRISP (Finite Refractive Index Selective Propagation) method combines the Rayleigh-Sommerfeld diffraction integral with a thin element approximation and provides a comprehensive framework for understanding the optical properties of these microstructures. …”
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Study on the Design Method of High-Resolution Volume-Phase Holographic Gratings by Shuo Wang, Lei Dai, Chao Lin, Long Wang, Zhenhua Ji, Yang Fu, Quyouyang Gao, Yuquan Zheng

“…The proposed method combines two diffraction theories (namely, Kogelnik coupled-wave theory and rigorous coupled-wave theory) and establishes a parameter optimization sequence based on the influence of design parameters on diffraction characteristics. …”
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Iterative approach for photonic crystal devices design by Pavel V. Mokshin, Dimitriy L. Golovashkin, Vladimir S. Pavelyev

“…An approach to the design of photonic crystal (PhC) devices is proposed, which differs from the known general-purpose optimization methods (for example, a genetic algorithm or gradient procedures) by using information about diffraction patterns at different frequencies when optimizing an element designed to operate at the selected wavelength. …”
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Investigation of the Influence of Structure, Stoichiometry, and Synthesis Temperature on the Optical Properties of CdTe Nanoplatelets by Aigerim Ospanova, Yerkebulan Koshkinbayev, Asset Kainarbay, Temirulan Alibay, Rakhima Daurenbekova, Aizhan Akhmetova, Alexander Vinokurov, Sergei Bubenov, Sergey Dorofeev, Dulat Daurenbekov

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Machine learning study on magnetic structure of rare earth based magnetic materials by Dan Liu, Jiahe Song, Zhixin Liu, Jine Zhang, Weiqiang Chen, Yinong Yin, Jianfeng Xi, Xinqi Zheng, Jiazheng Hao, Tongyun Zhao, Fengxia Hu, Jirong Sun, Baogen Shen

“…Compared with non-decision tree models, optimized decision tree algorithms such as Gradient Boosting have greater advantages in binary classification. …”
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Contact lens holographic projection display based on curved volume-holographic optical element by Jin Su Lee

“…The computer-generated hologram was optimized to null quality degradation caused by pupil constraints and asymmetric diffraction efficiency distribution. …”
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