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Ultracompact Optical Hybrid Based on Standing Wave Integrated With Graphene-Based Photodetector for Coherent Detection
Published 2018-01-01“…The finite-difference time-domain method was used to calculate optical absorption for demonstrating operation feasibility. …”
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943
Performance Limits for Fingerprinting-Based Indoor Optical Communication Positioning Systems Exploiting Multipath Reflections
Published 2020-01-01“…The tightness of the analytical CRLB is tested by comparing it to the performance of a fingerprint-based positioning algorithm that uses the nearest neighbor method. Simulation results show an achievable root mean squared positioning accuracy of 45 cm and 5 cm (for one and four photodetectors, respectively), for an empty room. …”
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944
Diagnosis of the severity of diabetic retinopathy by optical coherence tomography angiography combined with fundus fluorescein angiography
Published 2025-08-01“…Methods A retrospective study included 831 diabetic patients who visited the General Hospital of Southern Theater Command from January 2021 to December 2023. …”
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945
Structural and Optical Properties for Nanostructure (Ag2O/Si & Psi) Films for Photodetector Applications
Published 2019-12-01“…Ag2O (Silver Oxide) is an important p-type (in chasm to most oxides which were n-type), with a high conductivity semiconductor. From the optical absorbance data, the energy gap value of the Ag2O thin films was 1.93 eV, where this value substantially depends on the production method, vacuum evaporation of silver, and optical properties of Ag2O thin films are also affected by the precipitation conditions. …”
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946
Exploration of the soliton solutions of the (n+1) dimensional generalized Kadomstev Petviashvili equation using an innovative approach
Published 2025-04-01“…We are interested in the new auxiliary equation method (NAEM). We reduce the equation to an ordinary differential equation (ODE) with the help of an appropriate wave transformation and search for different types of soliton solutions. …”
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947
Chemical, Structural and Optical Properties of ē-Beam Evaporated Tungsten Diselenide Polycrystalline Thin Film
Published 2012-10-01“…The prepared films were characterized using EDAX spectrum, X-ray diffraction, Electron diffraction, Scanning electron microscopy and optical absorption spectroscopy methods. The as grown films were found to be partially transparent, uniform and well adherent. …”
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948
Calculation of IOL Optical Power Using OKULIX Ray-Tracing Software in Real Clinical Practice
Published 2023-04-01“…Comparative analysis of the accuracy of IOL optical power calculation using different biometric devices.Patients and methods. …”
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949
Efficient Optical Spatial First-Order Differentiator Based on Graphene-Based Metalines and Evolutionary Algorithms
Published 2020-01-01“…We propose a novel optical spatial differentiator to perform the differentiation computation in terahertz region based on the graphene metalines, which consist of graphene layers with different widths and chemical potentials. …”
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950
A comparative study of new traveling wave solutions for the (2+1)-dimensional fractional Wazwaz Kaur Boussinesq equation using novel modified (G′/G2)-expansion method
Published 2025-03-01“…This study uses an innovative modified (G′/G2)-expansion method to reveal various soliton solutions to the (2+1)-dimensional Wazwaz Kaur Boussinesq problem. …”
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951
Processing of Eddy Current Infrared Thermography and Magneto-Optical Imaging for Detecting Laser Welding Defects
Published 2025-01-01“…Infrared (IR) magneto-optical (MO) bi-imaging is an innovative method for detecting weld defects, and it is important to process both IR thermography and MO imaging characteristics of weld defects. …”
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952
Design and Optimization of Optical NAND and NOR Gates Using Photonic Crystals and the ML-FOLD Algorithm
Published 2025-06-01“…The results validate the effectiveness of the ML-FOLD method in identifying optimal configurations, offering a streamlined approach for the design of all-optical logic devices.…”
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953
Preparation and Study of the Structural and Optical Properties of TiO2 – Ag-ZnO Nanoparticles
Published 2025-04-01“…On biological application, (Ag NPs,TiO2 NPs, ZnO NPs, TiO2/Ag and TiO2/Ag/ZnO NPs) prepared with different laser standards in distilled water were used as anti-bacterial agents. …”
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954
Impact of Annealing on Optical and Structural Analysis of Chemically Spray-Prepared Nickel Oxide Thin Films
Published 2025-07-01“…The structure and physical characteristics of the NiO thin films are examined using methods based on atomic force microscopy and X-rays. techniques are employed to examine the surface morphology of layers of nickel oxide. …”
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955
Optical Quality Assessment in Patients with Unilateral Congenital Ptosis: A Matched Case-Control Study
Published 2020-01-01“…Background. To evaluate the differences in the corneal higher-order aberrations (HOAs) and optical quality of the ptosis eyes compared with the normal fellow eyes in the unilateral congenital ptosis patients. …”
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956
Outer Macular Microvascular Supply in Retinitis Pigmentosa Examined using Optical Coherence Tomography Angiography
Published 2021-01-01“…To determine the vessel density of the superior (SCP) and deep retinal capillary plexuses (DCP) in patients with retinitis pigmentosa (RP) using optical coherence tomography angiography (OCTA). Methods. …”
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957
Research on Displacement Monitoring of Key Points in Caverns Based on Distributed Fiber Optic Sensing Technology
Published 2025-04-01“…However, traditional monitoring methods often fail to meet the high-precision requirements in complex environments. …”
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958
Effect of Hydroxychloroquine on the Retinal Layers: A Quantitative Evaluation with Spectral-Domain Optical Coherence Tomography
Published 2016-01-01“…To evaluate the effect of hydroxychloroquine on retinal pigment epithelium- (RPE-) Bruch’s membrane complex, photoreceptor outer segment, and macular ganglion cell-inner plexiform layer (GCIPL) thicknesses using spectral-domain optical coherence tomography (SD-OCT). Methods. In this prospective case-control study, 51 eyes of 51 hydroxychloroquine patients and 30 eyes of 30 healthy subjects were included. …”
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959
Application of Spectral Domain Optical Coherence Tomography to Objectively Evaluate Posterior Capsular Opacity In Vivo
Published 2018-01-01“…To objectively evaluate posterior capsular opacification (PCO) with RTVue-100 spectral domain-OCT and assess the agreement with the Pentacam system. Methods. Sixty-seven eyes diagnosed with PCO were included. …”
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