Results 31 to 40 of about 414 (165)
Ultra-Sensitive Dual-Resonator Graphene Pressure Sensor with Temperature Self-Compensation. [PDF]
Adv Sci (Weinh)This work presents a graphene resonator sensor based on a dual‐cavity interferometric scheme that achieves high sensitivity to pressure variations. Its lightweight and compact design enables drone‐based field experiments, underscoring the promise of graphene optomechanical devices for portable and scalable sensing applications.
Wan Z +7 more
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Pointing error compensation of electro-optical detection systems using Gaussian process regression
International Journal of Metrology and Quality Engineering, 2021 Pointing accuracy is an important indicator for electro-optical detection systems, as it significantly affects the system performance. However, as a result of misalignment, nonperpendicularity in the manufacturing and assembly processes, as well as the ...
Tang Qijian +3 more
doaj +1 more source
Photonics, 2023 A mid-infrared difference frequency generator (DFG) based on a periodically poled thin-film lithium niobate rib waveguide on a sapphire substrate is theoretically studied.
Runze Jia +4 more
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Static temperature analysis and compensation of MEMS gyroscopes
International Journal of Metrology and Quality Engineering, 2013 MEMS gyroscopes as a kind of angular rate sensor have been widely used, but their accuracy tends to be low in practical applications, especially under temperature influence, and they generally require error compensation.
Tang Q.J. +3 more
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Photonics, 2023 Highly integrated and stable devices are appealing in optical communication and sensing. This appeal arises from the presence of high refractive index contrast and high-quality waveguides.
Shicheng Rong +4 more
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Large Field of View Cooperative Infrared and Visible Spectral Sensor for Visual Odometry
IEEE Access, 2020 Thermal images produced by the long-wavelength infrared (LWIR) camera are robust and independent from environmental illumination change. They can help the standard visible light camera working under the complicated environmental condition.
Yubo Ni +4 more
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Modeling of MOEMS electromagnetic scanning grating mirror for NIR micro-spectrometer
AIP Advances, 2016 In this paper, the mathematical model is developed for researching the detailed electromagnetic mechanism of MOEMS scanning mirror. We present the relationship between spectral range and optical scanning angle.
Ying Zhou +3 more
doaj +1 more source
Remote Sensing, 2018 Multi-camera systems are widely used in the fields of airborne remote sensing and unmanned aerial vehicle imaging. The measurement precision of these systems depends on the accuracy of the extrinsic parameters.
Lei Yin +4 more
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Evaluation and Optimization of a MOEMS Active Focusing Device
Micromachines, 2021 In this paper we present a detailed evaluation of a micro-opto-electromechanical system (MOEMS) for active focusing which is realized using an electrostatically deformed thin silicon membrane.
Ulrich Mescheder +2 more
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Sense high refractive index sensitivity with bragg grating and MIM nanocavity
Results in Physics, 2019 The study of optical microcavity sensors in current micro optical electro mechanical systems (MOEMS) devices is an important research direction in this field. This study investigates a new type of nanocavity temperature sensor based on the S-shaped metal-
Jun Zhu, Ge Wang
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