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Journal articles on the topic 'Metrologie augmentée'

Author: Grafiati

Published: 7 July 2024

Last updated: 31 July 2025

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1

Poon, Ting-Chung, Yaping Zhang, Liangcai Cao, and Hiroshi Yoshikawa. "Editorial on Special Issue “Holography, 3-D Imaging and 3-D Display”." Applied Sciences 10, no. 20 (2020): 7057. http://dx.doi.org/10.3390/app10207057.

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Modern holographic techniques have been successfully applied in many important areas, such as 3D inspection, 3D microscopy, metrology and profilometry, augmented reality, and industrial informatics [...]

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Siv, Julie, Rafael Mayer, Guillaume Beaugrand, Guillaume Tison, Rémy Juvénal, and Guillaume Dovillaire. "Testing and characterization of challenging optics and optical systems with Shack Hartmann wavefront sensors." EPJ Web of Conferences 215 (2019): 06003. http://dx.doi.org/10.1051/epjconf/201921506003.

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The Shack-Hartman wavefront sensor is a common metrology tool in the field of laser, adaptive optics and astronomy. However, this technique is still scarcely used in optics and optical system metrology. With the development of manufacturing techniques and the increasing need for optical characterization in the industry, the Shack-Hartmann wavefront sensor emerges as an efficient complementary tool to the well-established Fizeau interferometry for optical system metrology. Moreover, the raise of smart vehicles equipped with optical sensors and augmented reality, the optical characterization of

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Rutz, Maximilian, Pia Neuberger, Simon Pick, and Torsten Straßer. "Perceived Brightness and Resolution of Holographic Augmented Reality Retinal Scan Glasses." Applied Sciences 15, no. 3 (2025): 1540. https://doi.org/10.3390/app15031540.

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Augmented reality display performance depends strongly on features of the human visual system. This is especially true for retinal scan glasses, which use laser beam scanning and transparent holographic optical combiners. Human-centered approaches allow us to go beyond conventional optical metrology and evaluate display performance as it is perceived in actual augmented reality use cases. Here, we first present a theoretical formula for the retinal scan luminance and ambient contrast ratio calculated from optical powers, wavelengths, field of view, and human pupil diameter. As a promising insi

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Young, Woo Han, and Mike Marshall. "IMPROVE CONTROL AMIDST DIE SHRINKAGE AND 3D PACKAGE COMPLICATION." International Symposium on Microelectronics 2019, no. 1 (2019): 000260–67. http://dx.doi.org/10.4071/2380-4505-2019.1.000260.

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Abstract Die sizes continue to shrink and packaging technologies continue to evolve, but the common thread for all of them is the need for increased precision and tighter process control limits to achieve final package yield. Nearly all packaging technologies require connections in the third dimension, above or below the die, thus adding, quite literally, a new dimension to inspection and metrology requirements. Increased focus on reliability for automotive, health care and even mobile electronics is driving the need for improved process control solutions. The combination of higher packaging c

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Kerst, Thomas, Mohammad Bitarafan, Laura Jokinen, et al. "82‐3: Rapid AR/VR Device Eye‐Box Measurement Using a Wide‐FOV Lens." SID Symposium Digest of Technical Papers 54, no. 1 (2023): 1155–57. http://dx.doi.org/10.1002/sdtp.16779.

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We present a method to rapidly and accurately measure the eye box of Augmented Reality (AR) and Virtual Reality (VR) eyewear. We demonstrate that this rapid method measures the eye box with a fidelity comparable to slower, traditional methods. The presented rapid method uses a lens that mimics the human eye in core aspects like pupil position, pupil size and field of view to get an impression of the eyewear performance as it appears to a human user with single image capture. By combining as few as three such image captures with such a lens, one can rapidly and accurately measure the entire eye

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Shiue, Ren-Jye, Dmitri K. Efetov, Gabriele Grosso, Cheng Peng, Kin Chung Fong, and Dirk Englund. "Active 2D materials for on-chip nanophotonics and quantum optics." Nanophotonics 6, no. 6 (2017): 1329–42. http://dx.doi.org/10.1515/nanoph-2016-0172.

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AbstractTwo-dimensional materials have emerged as promising candidates to augment existing optical networks for metrology, sensing, and telecommunication, both in the classical and quantum mechanical regimes. Here, we review the development of several on-chip photonic components ranging from electro-optic modulators, photodetectors, bolometers, and light sources that are essential building blocks for a fully integrated nanophotonic and quantum photonic circuit.

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Nawab, Rahma, and Angela Davies Allen. "Low-Cost AR-Based Dimensional Metrology for Assembly." Machines 10, no. 4 (2022): 243. http://dx.doi.org/10.3390/machines10040243.

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The goal of this study was to create and demonstrate a system to perform fast and inexpensive quality dimensional inspection for industrial assembly line applications with submillimeter uncertainty. Our focus is on the positional errors of the assembled pieces on a larger part as it is assembled. This is achieved by using an open-source photogrammetry architecture to gather a point cloud data of an assembled part and then comparing this to a computer-aided design (CAD) model. The point cloud comparison to the CAD model is used to quantify errors in position using the iterative closest point (I

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Carreon, Yamilet, and Miguel Chicchon. "Development of a Virtual Assistant Based on LLMs for the Knowledge Domain in Biomedical Metrology." International Journal of Online and Biomedical Engineering (iJOE) 21, no. 09 (2025): 125–37. https://doi.org/10.3991/ijoe.v21i09.55653.

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Accurate measurements are essential for effective diagnosis and treatment in the healthcare sector. However, there is limited training in biomedical metrology for Biomedical Engineers, which may hinder their performance. This study evaluated the knowledge of large language models (LLMs) in biomedical metrology to develop a specialized virtual assistant that supports these professionals. The effectiveness of the LLMs was assessed based on the accuracy and coherence of their responses using the CBET Certification exam and metrics such as Rouge-L, F1 score, and cosine similarity. The Llama 3.2-3B

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Arpaia, Pasquale, Egidio De Benedetto, Concetta Anna Dodaro, Luigi Duraccio, and Giuseppe Servillo. "Metrology-Based Design of a Wearable Augmented Reality System for Monitoring Patient’s Vitals in Real Time." IEEE Sensors Journal 21, no. 9 (2021): 11176–83. http://dx.doi.org/10.1109/jsen.2021.3059636.

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10

Gonçalves, GL, JU Delgado, and FB Razuck. "The use of Augmented Reality for the teaching of dosimetry and metrology of ionizing radiation at IRD." Journal of Physics: Conference Series 1826, no. 1 (2021): 012041. http://dx.doi.org/10.1088/1742-6596/1826/1/012041.

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11

Ho, P. T., J. A. Albajez, J. A. Yagüe, and J. Santolaria. "Preliminary study of Augmented Reality based manufacturing for further integration of Quality Control 4.0 supported by metrology." IOP Conference Series: Materials Science and Engineering 1193, no. 1 (2021): 012105. http://dx.doi.org/10.1088/1757-899x/1193/1/012105.

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Abstract Augmented Reality (AR) is a key technology enabling Industry 4.0, which enriches human perspectives by overlaying digital information onto the real world. The maturity of AR technology has grown recently. As processes in the automotive and aeronautic sectors require high quality and near-zero error rates to ensure the safety of end-users, AR can be implemented to facilitate workers with immersive interfaces to enhance productivity, accuracy and autonomy in the quality sector. In order to analyse whether there is a real and growing interest in the use of AR as assisting technology for

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Prusakov, A. N., V. V. Popadyev, and V. F. Pankin. "The Working Week of the International Federation of Surveyors under the motto “From digitalization to augmented reality”." Geodesy and Cartography 926, no. 8 (2017): 25–38. http://dx.doi.org/10.22389/0016-7126-2017-926-8-25-38.

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The information on the last regular Working week, International Federation of Surveyors (FIG) 2017 hold in May-June 2017 in Helsinki (Finland) was given. The article reflects a brief summary of the scientific program of the Working week, which was implemented in the framework of 3 Plenary sessions and 10 technical committees of the International Federation of surveyors (FIG). Also, within sectional meetings organized by the FIG together with its partners, for example, the World Bank and FIG, and the Inspirational Short Sessions (ISS). Information on the technical exhibition, attended by 24 man

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Zhao, Lei, and Chaohao Wang. "50.2: Invited Paper: A Closer Look: Advancements in Near‐Eye Display Testing and Metrology." SID Symposium Digest of Technical Papers 54, S1 (2023): 354–60. http://dx.doi.org/10.1002/sdtp.16303.

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This paper discusses the importance of optical testing metrology for near‐eye displays (NED) used in virtual reality (VR) and augmented reality (AR) environments. The accuracy of parameters such as resolution, contrast, field of view, and color accuracy is critical to the effectiveness of NED. However, existing testing methods for these parameters may not consider the visual characteristics of NED. The paper proposes innovative testing methods for evaluating contrast, pupil swim, and pixel per degree (PPD) in NED. The proposed ANSI contrast test method is found to be more suitable for evaluati

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Vicentini, Edoardo, Zhenhai Wang, Kasper Van Gasse, Theodor W. Hänsch, and Nathalie Picqué. "Dual-comb hyperspectral digital holography." Nature Photonics 15, no. 12 (2021): 890–94. http://dx.doi.org/10.1038/s41566-021-00892-x.

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AbstractHolography1 has always held special appeal as it is able to record and display spatial information in three dimensions2–10. Here we show how to augment the capabilities of digital holography11,12 by using a large number of narrow laser lines at precisely defined optical frequencies simultaneously. Using an interferometer based on two frequency combs13–15 of slightly different repetition frequencies and a lensless camera sensor, we record time-varying spatial interference patterns that generate spectral hypercubes of complex holograms, revealing the amplitudes and phases of scattered wa

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Amin, Fahad, Rabia Amir, Ameer Hamza, Muhammad Awais Younas, Muhammad Jahanzaib Afzal, and Muhammad Islam. "Spiral Grating Optical Fiber for Generating Vortex and Vector Beams: A Novel Approach for High-Precision Beam Control." European Journal of Theoretical and Applied Sciences 2, no. 6 (2024): 353–60. http://dx.doi.org/10.59324/ejtas.2024.2(6).29.

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Optical vortex arrays, characterized by their distinctive wavefront configurations, have widespread applications in optical communications, trapping, imaging, metrology, and quantum technologies. The techniques employed to produce these vortex beam arrays are essential for their applications. This work investigates the optical efficacy of a vortex beam converter combined with nanostructured gradient index elements and an optical fiber system, engineered to produce high-precision vortex beams. This paper presents an innovative fiber laser system engineered for the direct creation of ultrafast v

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Fahad, Amin, Amir Rabia, Hamza Ameer, Awais Younas Muhammad, Jahanzaib Afzal Muhammad, and Islam Muhammad. "Spiral Grating Optical Fiber for Generating Vortex and Vector Beams: A Novel Approach for High-Precision Beam Control." European Journal of Theoretical and Applied Sciences 2, no. 6 (2024): 353–60. https://doi.org/10.59324/ejtas.2024.2(6).29.

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Optical vortex arrays, characterized by their distinctive wavefront configurations, have widespread applications in optical communications, trapping, imaging, metrology, and quantum technologies. The techniques employed to produce these vortex beam arrays are essential for their applications. This work investigates the optical efficacy of a vortex beam converter combined with nanostructured gradient index elements and an optical fiber system, engineered to produce high-precision vortex beams. This paper presents an innovative fiber laser system engineered for the direct creation of ultrafast v

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Moazzam, Adrian A., Anindya Ghoshroy, Durdu Ö. Güney, and Roohollah Askari. "Remote Sensing of Seismic Signals via Enhanced Moiré-Based Apparatus Integrated with Active Convolved Illumination." Remote Sensing 17, no. 12 (2025): 2032. https://doi.org/10.3390/rs17122032.

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The remote sensing of seismic waves in challenging and hazardous environments, such as active volcanic regions, remains a critical yet unresolved challenge. Conventional methods, including laser Doppler interferometry, InSAR, and stereo vision, are often hindered by atmospheric turbulence or necessitate access to observation sites, significantly limiting their applicability. To overcome these constraints, this study introduces a Moiré-based apparatus augmented with active convolved illumination (ACI). The system leverages the displacement-magnifying properties of Moiré patterns to achieve high

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18

Ho, Phuong Thao, José Antonio Albajez, Jorge Santolaria, and José A. Yagüe-Fabra. "Study of Augmented Reality Based Manufacturing for Further Integration of Quality Control 4.0: A Systematic Literature Review." Applied Sciences 12, no. 4 (2022): 1961. http://dx.doi.org/10.3390/app12041961.

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Augmented Reality (AR) has gradually become a mainstream technology enabling Industry 4.0 and its maturity has also grown over time. AR has been applied to support different processes on the shop-floor level, such as assembly, maintenance, etc. As various processes in manufacturing require high quality and near-zero error rates to ensure the demands and safety of end-users, AR can also equip operators with immersive interfaces to enhance productivity, accuracy and autonomy in the quality sector. However, there is currently no systematic review paper about AR technology enhancing the quality se

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19

Ćirić, Ivan, Milan Banić, Miloš Simonović, Aleksandar Miltenović, Dušan Stamenković, and Vlastimir Nikolić. "TOWARDS MACHINE VISION BASED RAILWAY ASSETS PREDICTIVE MAINTENANCE." Facta Universitatis, Series: Automatic Control and Robotics 19, no. 2 (2020): 125. http://dx.doi.org/10.22190/fuacr2002125c.

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The main goal of this paper is to present novel technologies that can contribute to safety, competitiveness, efficiency and operational reliability of Railway infrastructure through the development of innovative solutions for measuring and monitoring of railway assets based on machine vision. Measuring the transversal position of the wheels on the rail, as well as identification of the defects of the wheel and the rail (such as deformation of rail head edge, lateral wear, worn wheels, cracks in wheel and rail, rolling contact fatigue, corrugation and other irregularities) can increase reliabil

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20

Fisher, William P. "Bateson and Wright on Number and Quantity: How to Not Separate Thinking from Its Relational Context." Symmetry 13, no. 8 (2021): 1415. http://dx.doi.org/10.3390/sym13081415.

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As part of his explication of the epistemological error made in separating thinking from its ecological context, Bateson distinguished counts from measurements. With no reference to Bateson, the measurement theory and practice of Benjamin Wright also recognizes that number and quantity are different logical types. Describing the confusion of counts and measures as schizophrenic, like Bateson, Wright, a physicist and certified psychoanalyst, showed mathematically that convergent stochastic processes informing counts are predictable in ways that facilitate methodical measurements. Wright’s metho

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21

Garcia-González, Wendy, Wendy Flores-Fuentes, Oleg Sergiyenko, Julio C. Rodríguez-Quiñonez, Jesús E. Miranda-Vega, and Daniel Hernández-Balbuena. "Shannon Entropy Used for Feature Extractions of Optical Patterns in the Context of Structural Health Monitoring." Entropy 25, no. 8 (2023): 1207. http://dx.doi.org/10.3390/e25081207.

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A novelty signal processing method is proposed for a technical vision system (TVS). During data acquisition of an optoelectrical signal, part of this is random electrical fluctuation of voltages. Information theory (IT) is a well-known field that deals with random processes. A method based on using of the Shannon Entropy for feature extractions of optical patterns is presented. IT is implemented in structural health monitoring (SHM) to augment the accuracy of optoelectronic signal classifiers for a metrology subsystem of the TVS. To enhance the TVS spatial coordinate measurement performance at

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22

Abbasi, W. A., S. C. Ridgeway, P. D. Adsit, C. D. Crane, and J. Duffy. "Investigation of a Special 6-6 Parallel Platform for Contour Milling." Journal of Manufacturing Science and Engineering 122, no. 1 (1998): 132–39. http://dx.doi.org/10.1115/1.538927.

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Recently, companies have been experimenting with parallel-mechanism based approaches for milling machines. This research presents an investigation into the development of a special 6-6 parallel mechanism for application to contour milling. The idea behind this approach is that existing non-CNC milling equipment can be augmented to increase its capability at a lower cost than purchasing traditional 5-axis machining centers. This paper presents the phase of research associated with developing a parametric kinestatic design methodology for a special 6-6 parallel mechanism (Kinestatic Platform, KP

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Lemesle, Julie, Clement Moreau, Raphael Deltombe, et al. "Top-down Determination of Fluctuations in Topographic Measurements." Materials 16, no. 2 (2023): 473. http://dx.doi.org/10.3390/ma16020473.

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A top-down method is presented and studied for quantifying topographic map height (z) fluctuations directly from measurements on surfaces of interest. Contrary to bottom-up methods used in dimensional metrology, this method does not require knowledge of transfer functions and fluctuations of an instrument. Fluctuations are considered here to be indicative of some kinds of uncertainties. Multiple (n), successive topographic measurements (z = z(x,y)) are made at one location without moving the measurand relative to the measurement instrument. The measured heights (z) at each position (x,y) are a

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Anderson, Stephen A. "Innovative digital inspection methodology." APPEA Journal 60, no. 1 (2020): 77. http://dx.doi.org/10.1071/aj19109.

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The paper describes an innovative digital inspection methodology that combines 3D laser scanning, metrology and advanced non-destructive testing data that is merged in 3D space to provide a digital record of the condition and mechanical integrity of critical assets. This advanced inspection method supports condition-based maintenance programs and digital twin models to determine future equipment condition, work scope and inspection schedules, while maintaining a digital record throughout the equipment lifecycle. Testing of the methodology includes 3D scanning of drill platforms, baseline scann

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Salido-Monzú, D., and A. Wieser. "AN INSTRUMENTAL BASIS FOR MULTISPECTRAL LIDAR WITH SPECTRALLY-RESOLVED DISTANCE MEASUREMENTS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-2/W13 (June 5, 2019): 1121–26. http://dx.doi.org/10.5194/isprs-archives-xlii-2-w13-1121-2019.

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<p><strong>Abstract.</strong> Hyperspectral solutions augment laser scanning technology with material probing capabilities by measuring target reflectance along with topography. We propose a novel instrumental basis that enables also spectrally-resolved distance measurement with sufficient sensitivity as to access dispersive phenomena on the reflecting target and along the propagation medium, further enhancing the material analysis capabilities of hyperspectral approaches. To this end we have extended distance metrology using intermode beat notes of a mode-locked femtosecond

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Lee, Dong Hun, Yuxuan Zhang, Kwangsoo No, Han Wook Song, and Sunghwan Lee. "(Digital Presentation) Multimodal Encapsulation of p-SnOx to Engineer the Carrier Density for Thin Film Transistor Applications." ECS Meeting Abstracts MA2022-02, no. 15 (2022): 821. http://dx.doi.org/10.1149/ma2022-0215821mtgabs.

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It has been challenging to synthesize p-type SnOx (1≤x<2) and engineer the electrical properties such as carrier density and mobility due to the narrow processing window and the localized oxygen 2p orbitals near the valence band. We recently reported on the processing of p-type SnOx and an oxide-based p-n heterostructures, demonstrating high on/off rectification ratio (>103), small turn-on voltage (<0.5 V), and low saturation current (~1×10-10 A)1. In order to further understand the p-type oxide and engineer the properties for various electronic device applications, it is important to

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Booth, James C., Nathan Orloff, Christian Long, et al. "(Invited, Digital Presentation) Nonlinear and Electro-Thermo-Mechanical Effects in Heterogeneous Electronics at Microwave Frequencies." ECS Meeting Abstracts MA2022-02, no. 17 (2022): 862. http://dx.doi.org/10.1149/ma2022-0217862mtgabs.

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Materials properties are an essential component for the accurate modeling of integrated devices and circuits. The accuracy of such models depends explicitly on the accuracy of the input material parameters and interfaces between them. With the trend toward increasing heterogeneous integration, the relationships between electromagnetic, thermal, and mechanical material properties of heterogeneously integrated devices are even more important. Recent trends toward co-design emphasize the optimization of all aspects of circuit performance from the beginning, rather than sequentially optimizing the

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G, Karthikeyan, and R. Senthilnathan. "Development and performance evaluation of stereo and structured light reconstruction systems for dimensional metrology application using Augmented Reality and Distance metrics." Measurement Science and Technology, March 18, 2025. https://doi.org/10.1088/1361-6501/adc1e8.

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Abstract This research presents an Augmented Reality (AR)-based application for dimensional metrology, enabling quantitative evaluation of manufacturing discrepancies by comparing scanned models with CAD counterparts. The accuracy of 3D metrology devices is influenced by data acquisition conditions and reconstruction techniques. This study evaluates two methods: a custom-built multi-stereo camera-based reconstruction system and a commercially available structured light sensor (Structure Sensor Pro). The AR application, developed using Vuforia’s Model Target technology, automatically detects ob

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Engel, Thomas. "3D-optical measurement techniques." Measurement Science and Technology, December 2, 2022. http://dx.doi.org/10.1088/1361-6501/aca818.

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Abstract The field of optical 3D metrology is gaining significant interest in the past years. Optical sensors can probe the geometry of workpieces and biological samples very fast, highly accurate and without any tactile physical contact to the object’s surface. In this respect, optical sensors are a pre-requisite for many applications in the big trends like Industrial Internet of Things (IIoT), Industry 4.0 or Medicine 4.0. The interest for optical 3D metrology is shifting from a metrology for quality assurance in industrial production to “digitize the real world“ to facilitate a precise digi

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Zhang, Wen-Hao, Jing-Wei Yu, Wule Zhu, and Bing-Feng Ju. "Unified framework for geometric error compensation and shape-adaptive scanning in five-axis metrology systems." Measurement Science and Technology, May 16, 2024. http://dx.doi.org/10.1088/1361-6501/ad4c83.

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Abstract In response to the escalating demand for precise shape metrology of complex optical surfaces, this study unveils a unified geometric error compensation and trajectory planning framework tailored for high-accuracy five-axis scanning metrology systems, which remains a notably underexplored field compared to error compensation in machine tools. Founded on a unified geometric model, the proposed framework seamlessly integrates a versatile shape-adaptive trajectory planning strategy, a thorough global error sensitivity analysis approach, and an exhaustive geometric error compensation schem

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Nguyen, Vinh, Xiaofeng Liu, and Jeremy Marvel. "Augmented Reality Interface for Robot-Sensor Coordinate Registration." Journal of Computing and Information Science in Engineering, August 8, 2023, 1–7. http://dx.doi.org/10.1115/1.4063131.

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Abstract Accurate registration of Cartesian coordinate systems is necessary to facilitate metrology-based solutions for industrial robots in production environments. Conducting coordinate registration between industrial robots and their metrological systems requires measuring multiple points in the robot's and sensor system's coordinate frames. However, operators lack intuitive tools to interface, visualize, and characterize the quality of the selected points in the robot workspace for robot-sensor coordinate registration. This paper proposes an augmented reality system for human-in-the-loop,

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Schen, Michael A., G. T. Davis, F. I. Mopsik, et al. "Electronics Packaging Materials Research at NIST." MRS Proceedings 390 (1995). http://dx.doi.org/10.1557/proc-390-19.

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ABSTRACTThe Materials Science and Engineering Laboratory at NIST has augmented its laboratory-based research in support of the U.S. commercial microelectronics industry by expanding its efforts in electronics packaging, interconnection and assembly (P/I/A) materials technologies. In conjunction with industry, university and other government agency partners, these new NIST efforts target materials technology issues that underlie the priorities contained within the various electronics industry technology roadmaps. A dominant aspect of the laboratory P/I/A program focuses on the in-situ metrology

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G, Karthikeyan, and Senthilnathan R. "Development of deep learning aided surface reconstruction system for dimensional metrology using sheet of light scanning technique." Surface Topography: Metrology and Properties, May 7, 2025. https://doi.org/10.1088/2051-672x/add54e.

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Abstract Surface reconstruction is essential in manufacturing to ensure dimensional accuracy and aesthetic quality. Sheet of Light 3D reconstruction systems, based on structured light principles, offer high-speed, non-contact scanning, making them ideal for industrial inspection and metrology. Unlike conventional 2D imaging, they capture dense point clouds, enabling precise 3D surface measurement. This work develops a Sheet of Light 3D reconstruction system and enhances its accuracy using state-of-the-art point cloud completion networks. A dataset of 10,000 scanned and augmented models with co

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Tóbiás, Roland, Tibor Furtenbacher, Irén Simkó, et al. "Spectroscopic-network-assisted precision spectroscopy and its application to water." Nature Communications 11, no. 1 (2020). http://dx.doi.org/10.1038/s41467-020-15430-6.

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AbstractFrequency combs and cavity-enhanced optical techniques have revolutionized molecular spectroscopy: their combination allows recording saturated Doppler-free lines with ultrahigh precision. Network theory, based on the generalized Ritz principle, offers a powerful tool for the intelligent design and validation of such precision-spectroscopy experiments and the subsequent derivation of accurate energy differences. As a proof of concept, 156 carefully-selected near-infrared transitions are detected for H216O, a benchmark system of molecular spectroscopy, at kHz accuracy. These measurement

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Wu, Jiajun, Jin Yao, An Ren, et al. "Meta‐Dispersive 3D Chromatic Confocal Measurement." Advanced Science, July 21, 2025. https://doi.org/10.1002/advs.202508774.

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Abstract3D reconstruction can perceive the detailed structures of real‐world objects. Integrating metasurfaces with stereo vision or structured‐light projection enables compact and efficient 3D reconstruction systems, beneficial for next‐generation sensing, augmented reality, and biomedical applications. Nevertheless, the limitations inherent in these visual measurement methods pose a significant challenge to achieving higher resolution. Here, a dispersive metalens (DML) combined with the chromatic confocal method is proposed to achieve high‐precision 3D measurement. With appropriate engineere

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Murray, Myles P., Laura S. Bruckman, and Roger H. French. "Durability of Materials in a Stress-Response Framework: Acrylic Materials for Photovoltaic Systems." MRS Proceedings 1391 (2012). http://dx.doi.org/10.1557/opl.2012.1241.

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ABSTRACTIn the development of novel materials for enhanced photovoltaic (PV) performance, it is critical to have quantitative knowledge of the initial performance, as well as the performance of these materials over the required 25-year lifetime of the PV system. Lifetime and degradation science (L&DS) allows for the development of new metrology and metrics, coupled to degradation mechanisms and rates. Induced absorbance to dose (IAD), a new metric being developed for solar radiation durability studies of solar and environmentally exposed photovoltaic materials, is defined as the rate of ph

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Juethner, Konrad, Ted Rose, Senthil Kumar, et al. "Finite Element Analysis of Bent Rotors." Journal of Engineering for Gas Turbines and Power, September 2, 2022. http://dx.doi.org/10.1115/1.4055452.

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Abstract The rotor assembly of an engine is typically designed around a straight centerline. However, every manufactured rotor is bent once it undergoes careful quality inspection. Bent and bowed rotors are similar but differ in that bends are permanent, whereas rotor bow is temporary and observed in the mounted rotor assembly. The presence of bends leads to force and moment distributions along the rotor that can have dynamic implications. Unlike unbalance loads, the rotating excitation of a bent rotor remains constant. Although bent rotors are defined in the literature, their analysis is conf

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