- Photonic and Optical Devices
- Advanced Optical Imaging Technologies
- Semiconductor Lasers and Optical Devices
- Advanced X-ray Imaging Techniques
- Surface Roughness and Optical Measurements
- Optical Coatings and Gratings
- Digital Holography and Microscopy
- Advanced optical system design
- Semiconductor Quantum Structures and Devices
- Optical measurement and interference techniques
- Gyrotron and Vacuum Electronics Research
- Microwave Engineering and Waveguides
- Ion-surface interactions and analysis
- Luminescence Properties of Advanced Materials
- Terahertz technology and applications
- Advanced Electrical Measurement Techniques
- Adaptive optics and wavefront sensing
- Optical Coherence Tomography Applications
- Optical Systems and Laser Technology
- Perovskite Materials and Applications
- Ophthalmology and Visual Impairment Studies
- Advanced Electron Microscopy Techniques and Applications
- Advanced Optical Sensing Technologies
- Advanced Semiconductor Detectors and Materials
- Photoacoustic and Ultrasonic Imaging
University of Windsor
2021-2025
University of South-Eastern Norway
2016-2024
Cyprus Institute
2024
490 BioTech (United States)
2022
Isra University
2022
Islamic University of Madinah
2021
Horten Kommune
2011-2020
Stockholm University
2009-2017
Vestfold University College
2009-2016
University of Baghdad
2016
We utilize spatial and angular diversity to achieve speckle reduction in laser illumination. Both free-space imaging geometry configurations are considered. A fast two-dimensional scanning micromirror is employed steer the beam. simple experimental setup built demonstrate application of our technique a picture projection. Experimental results show that contrast factor can be reduced down 5% within integration time detector.
Rising energy demands, economic challenges, and the urgent need to address climate change have led emergence of a market wherein consumers can both purchase sell electricity grid. This leverages diverse sources storage systems achieve significant cost savings for while providing critical grid support utilities. In this study, an management system has been employed tackle optimization problem associated with various sources. approach relies on mixed-integer linear programming (MILP) optimize...
Speckle is the main obstacle for use of laser light sources in projection technology. This paper focuses on speckle suppression by reduction temporal coherence which provided broadband light. The investigation effect spectrum width and multiple lasers contrast discussed. A broader attained semiconductor diodes broad area type. Measurements with without angle diversity are performed two four diodes. measurement a single diode also presented comparison. experimental results show that provide...
Despite of much effort and significant progress in recent years, speckle removal is still a challenge for laser projection technology. In this paper, reduction by dynamic deformable mirror was investigated. Time varying independent patterns were generated due to the angle diversity introduced mirror, these averaged out camera or human eyes, thus reducing contrast final image. The wavelength lasers also studied. Both broadband narrowband used experiment. It experimentally shown that...
Abstract Diabetes is a metabolic disorder that results in human body due to insulin deficiency, resistance or both. In the management of diabetes, glucose monitoring technology has been used for last three decades. The aim this review article describe concise and organized information about different techniques non-invasive continuous blood monitoring. Many research groups have working develop wearable sensors monitoring, but at present, there are our knowledge no commercially successful...
A Barker binary phase code of maximum length 13 has previously been used for speckle reduction in line-scan laser projectors, and a contrast factor decrease down to 13% achieved. In this Letter, Barker-like codes lengths longer than are at an intermediate image plane. It is shown by theoretical calculation that much better with up 6% can be achieved using other the code.
With a global urgency to decrease greenhouse gas emissions, there has been an increasing demand for electric vehicles on the roads replace that use internal combustion. Subsequently, and consumption of raw materials have increased, thus, number retired lithium-ion batteries (LIBs) contain valuable elements. This literature review paper looks at following: lifecycle assessments (LCA) EV batteries, recycling LIBs while analyzing what studies conducted improve processes, facilities established...
The authors wish to make the following corrections their paper [...]
A nanocomposite Zr/Sm-codoped ceria electrolyte coated with K2CO3/Na2CO3 was synthesized by a coprecipitation method. The electrochemical study of the two-phase electrolytes carbonate on doped shows high oxygen ion mobility at low temperatures (300–600 °C). interface between two constituent phases studied impedance spectroscopy. Ionic conductivities were also measured morphology and structure composite characterized using field-emission scanning electron microscopy X-ray diffraction. fuel...
Speckle reduction by moving diffuser has been previously studied in display systems with coherent light sources, such as lasers. In this Letter, we propose a motionless diffractive optical element (DOE) for speckle reduction. The DOE was designed based on finite-element method simulations, fabricated using micromachining technology, and characterized despeckle efficiency. Experiments two gratings have indicated that the suppressed to 50%, which shows fair agreement theoretical analysis. With...
We report on an unexpected effect of tailoring transmission profiles ${\mathrm{Ne}}^{7+}$ ions through nanocapillaries rhombic and rectangular cross sections in mica. find that capillaries produce shaped ion and, vice versa, geometry give a beam shape. This shaping only occurs for transmitted is absent the small fraction neutralized particles. The experimental findings simulations projectile trajectories clear evidence observed due to image forces experienced by transmitting ions. novel...
We developed an optical pulse-drive for the operation of Josephson Arbitrary Waveform Synthesizer (JAWS) using a fast photodiode (PD) operated at 4 K, close to JAWS chip. The pulses are transmitted PD by easily removable fiber attached it. A bare-lensed is mounted flip-chip technique custom-made silicon-carrier This carrier chip equipped with coplanar waveguides transmit electrical from on separate printed circtuit board (PCB). main components this setup laser source, high-speed Mach-Zehnder...
To examine, in Norwegian adolescents, to what degree emmetropia and low hyperopia were maintained from 16 18 years of age, if this was the case, whether it associated with continued coordinated ocular growth.Cycloplegic autorefraction biometry, including crystalline lens thickness, measured 93 adolescents (mean age: 16.7 ± 0.3 years; 63.4% females) repeated after 2 years. Crystalline power determined by ray tracing over a 1-mm pupil, based on Gullstrand-Emsley model. Serum vitamin D3...
Speckle and the compound speckle can be reduced by angle diversity. In laser projection displays, simple, low cost efficient reduction techniques require smart optical design . Using a MEMS scanner together with condenser lens, beams different illumination angles are obtained on diffuser surface contrast ratio (CR). After homogenizing within rod integrator, field illuminates display panel, is projected onto screen which forms speckle. Characterization method to evaluate efficiency analyzed...
A novel miniaturized rectangular slow-wave structure (SWS), composed of both H-plane and E-plane corrugations, is proposed for submillimeter or terahertz vacuum electron traveling-wave tube (TWT) devices. The advantage this SWS to enhance the interaction impedance, therefore, resulting in higher gain improved output power device. In addition, geometry permits design flexibility achieve a better dispersion behavior (linear wider bandwidth) easy fabrication by available microfabrication...
Electric Vehicles are becoming trendy and proved to have no harmful exhaust like traditional fuel-powered vehicles. As the world shifts towards electric vehicle adoption, lithium-ion batteries primary power source for this transition. The goal of research is analyze lifespan long-term ratio composition Lithium-Ion in vehicles by developing two models, an Absorbing Markov Chain model, a Steady-State Census model. A sensitivity analysis also conducted alleviate scarcity enough input data. This...
Microscopy is going through a digital renaissance and new schemes are developed where computer algorithms constitute an integral part of the imaging process itself. Computational microscopy increases performance by offering better resolution, larger field view, quantitative contrast also reduced size, weight economic cost. Fourier Ptychographic utilizes multiple images sample taken at lower each illuminated with unique incidence angle coherent source, synthesizes one high resolution complex...