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International Journal of Optomechatronics
Scopus
ISSN 1559-9612 · Taylor & Francis Group · 87 articles in the index
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Journal Article
Improving detection limit of non-dispersive infrared gas sensor with high precision by matched filtering
Non-dispersive infrared (NDIR) gas sensors have the disadvantage of high limit of detection (LOD), and the signal-to-noise ratio (SNR) has a significant impact on LOD. This paper proposes the application of matched filtering to NDIR gas sensors, a weak signal detection method that maximizes the…
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Journal Article
Precision enhancement of epidural force-sensing needle with machine learning
Epidural injection is used in pain intervention, requiring precise needle placement within the epidural space. Traditional techniques, such as loss of resistance and fluoroscopy-guided procedures, have limitations, including reliance on subjective assessment and radiation exposure. We proposed an…
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Journal Article
Beyond reflection: Advancements and applications of MEMS mirrors in biomedical devices
Microelectromechanical systems (MEMS) micromirrors have become vital components in biomedical applications, driving advances in minimally invasive diagnostics and targeted therapies. We provide in this review of MEMS micromirrors focusing on their performance, utility, and adaptability in key…
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Journal Article
DMD-based adaptive lithography system for real-time substrate deformation compensation
This article presents a novel DMD-based adaptive lithography system enabling real-time compensation for substrate deformation during patterning. The system integrates conventional DMD lithography with optical measurement capabilities to quantify substrate deformation and dynamically adjust patterns…
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Journal Article
Mechatronic digital twin monitoring of hydrostatic rotary tables using multi-point thermal sensing and spatial reconstruction
Hydrostatic rotary tables are key mechatronic components in high-precision manufacturing equipment, and their thermal evolution affects operating stability and machining-related accuracy. This study presents a sensing-driven digital twin monitoring framework that integrates multi-point thermal…
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Journal Article
Improved heat transfer simulation and inversion approaches: Tackling low performance challenges in facial thermal modeling and thermal infrared recognition
Traditional human tissue heat-transfer models often oversimplify the heterogeneous thermal behavior of facial tissues, whereas more refined models suffer from low computational efficiency and unstable inversion. To address these limitations, we propose a discrete-element geometric model that…
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Journal Article
A new model to evaluate the illumination uniformity of LED plant supplemental light
In recent years, LED-based technologies for flowering light regulation have advanced rapidly. However, there is still a lack of systematic research on the factors affecting illumination uniformity in LED supplemental lighting and their quantitative evaluation. In this study, three key parameters…
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Journal Article
Laser applications in oral precise medicine: from excision to restoration
Precision medicine is increasingly applied in stomatology by enabling personalized diagnosis and treatment tailored to individual patient needs, and fulfilling this promise involves a convergence of medicine and engineering. Laser is a coherent light that functions as a diagnostic tool and provides…
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Journal Article
Applications and challenges of AI-based photonic device design
With the rapid advancement of information technology, photonic devices have become indispensable for high-speed communications and data processing, yet traditional design approaches face bottlenecks in efficiency and complexity. In recent years, artificial intelligence has emerged as a…
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Journal Article
Rapid deep-learning-based optical measurement of printed linear structures
Conventional optical measurement techniques are beneficial in automated manufacturing processes due to their fast and non-intrusive operation. However, they require sophisticated and expensive equipment as well as increased personnel qualification. While the integration of machine learning…
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Journal Article
Tolerance-Sensitivity-driven alignment and design strategy for wide-spectrum high-resolution fluorescence laparoscopes: from optical design to batch manufacturing
We present a tolerance-sensitivity–driven, manufacturability-aware strategy integrating optical design and alignment for optomechatronic imaging, validated in a fluorescence laparoscope. A chromatically corrected, structurally optimized design achieves near co-focal imaging across 450–1000 nm and…
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Journal Article
Glucose refractometer based on terahertz resonant waveguide grating structure
A resonant waveguide grating structure based on periodically perforated metal slits (PPMSs) was specified in experiments for metal-slit cavity resonance in the frequency range of 0.1–1 terahertz (THz), including the structural symmetry, thickness and distributed length of a metal-slit array. In…
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Journal Article
Bendable MnxCa(0.90−x)Ni0.10Fe2O4 substrate-based symmetrical metamaterial absorber for RF energy harvesting application to achieve sustainable development goals
This article presents a bendable substrate MnxCa(0.90−x)Ni0.10Fe2O4 based metamaterial absorber for RF energy harvestingfrom Wi-Fi frequency of 5 GHz to the achievement of the Sustainable Development Goals. The bendable metamaterial absorber (BMMA) energy harvester unit cell constructed with the…
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Journal Article
Advanced zero-optical-distance Mini-LEDs technology with high-luminance composite light-guides for displays
With the advancement of artificial intelligence technology, there is a growing demand for smart vehicle cockpits. As a result, the performance requirements for automotive displays are increasing. However, commonly used side-light and direct-light backlight modules, which provide planar light…
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Journal Article
A novel high-sensitivity MOEMS gyroscope based on a double layer two-dimensional photonic crystal array
Most micro-electromechanical systems (MEMS) gyroscopes use capacitive detection to sense displacement from angular velocity, but parasitic capacitance and electromagnetic interference limit precision. Micro-opto-electro-mechanical systems (MOEMS) gyroscopes replace capacitive readout with optical…
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Journal Article
Design, fabrication, and characterization of a low-power, high-modulation-depth infrared emitter array
In this paper, we present the design and characterization of a low-power, compact, infra-red emitter array using a titanium nitride micro-hotplate fabricated in an 8-inch wafer. The device has three emitters as an array, with an area of 6.2 × 104 μm2 each emitter. We first present the design and…
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Journal Article
Design optimization of a lightweight secondary mirror assembly for a 1-m class ground telescope for satellite laser ranging
Large-sized ground telescopes have been developed to meet the high demands for opto-mechanical imaging systems in space and military applications. In line with these advancements, we developed a 1-m class ground telescope for astronomical imaging and satellite laser ranging (SLR). In a ground…
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Journal Article
Comparison of MEMS-based photoacoustic microscopy in biomedical imaging
Photoacoustic microscopy (PAM) has emerged as a promising biomedical imaging technique, renowned for its capability to visualize the microvasculature and measure oxygen saturation levels in biological tissues, both non-invasively and in real-time. PAM combines the contrast benefits of optical…
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Journal Article
Development of a line module type of SiC deformable mirror
In this work, the complete development of a line module type silicon carbide (SiC) deformable mirror (DM) for adaptive optics (AO) is described. To eliminate the risk of fracture and misalignment during the simultaneous assembly of all actuators and the base plate of a DM, the line module concept…