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Published in 2022 at "ACS Photonics"
DOI: 10.1021/acsphotonics.2c01565
Abstract: Optical forces are often calculated by discretizing the trapping light beam into a set of rays and using geometrical optics to compute the exchange of momentum. However, the number of rays sets a trade-off between…
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Keywords:
neural networks;
optics;
geometrical optics;
faster accurate ... See more keywords
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Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-19015-0
Abstract: In geometrical optical design, we only need to choose a suitable combination of lenses, prims, and mirrors to design an optical path. It is a simple and classic method for engineers. However, people cannot design…
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Keywords:
geometrical optics;
transformation optics;
method;
optics ... See more keywords
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Published in 2019 at "Contemporary Physics"
DOI: 10.1080/00107514.2019.1614675
Abstract: Electron optics deals with the properties and propagation of electrons that are released from the material source and controlled by the related instruments; namely, electron guns, electric and magn...
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Keywords:
principles electron;
optics volume;
geometrical optics;
optics ... See more keywords
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Published in 2021 at "Physical review. E"
DOI: 10.1103/physreve.104.025304
Abstract: The design and optimization of radiofrequency-wave systems for fusion applications is often performed using ray-tracing codes, which rely on the geometrical-optics (GO) approximation. However, GO fails at wave cutoffs and caustics. To accurately model the…
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Keywords:
algorithm;
steepest descent;
optics;
geometrical optics ... See more keywords
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Published in 2022 at "Physical review. E"
DOI: 10.1103/physreve.105.064137
Abstract: It has been shown recently that the optimal fluctuation method-essentially geometrical optics-provides a valuable insight into large deviations of Brownian motion. Here we extend the geometrical optics formalism to two-sided, -∞
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Keywords:
brownian motion;
fractional brownian;
optics;
geometrical optics ... See more keywords
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Published in 2018 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2018.2790441
Abstract: In this paper, we elaborate the method to successively find higher order terms of the asymptotic expansion of the field diffracted at a thin dielectric layer in 2-D problems (both the cases of E- and…
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Keywords:
order;
geometrical optics;
higher order;
optics higher ... See more keywords
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Published in 2020 at "Applied optics"
DOI: 10.1364/ao.386733
Abstract: Rigorous solution of plane-wave scattering by a groove based on electromagnetic theory will be time-consuming if the groove width is much larger than the illumination wavelength. To accelerate the computation, an approach based on geometrical…
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Keywords:
plane wave;
geometrical optics;
optics approximation;
wave scattering ... See more keywords
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Published in 2021 at "Optics express"
DOI: 10.1364/oe.439641
Abstract: Hybrid methods combining the geometrical-optics and diffraction-theory methods enable designing diffractive optical elements (DOEs) with high performance due to the suppression of stray light and speckles and, at the same time, with a regular and…
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Keywords:
optical elements;
irradiance;
diffractive optical;
geometrical optics ... See more keywords
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Published in 2023 at "Education Sciences"
DOI: 10.3390/educsci13050452
Abstract: This study investigated pre-service science teachers’ conceptual understanding and confidence in geometrical optics with respect to gender and their previous achievement in geometrical optics course. A total of 189 (60% female and 40% male) pre-service…
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Keywords:
confidence;
pre service;
optics;
geometrical optics ... See more keywords