Dielectric Nonlocal Metasurfaces for Fully Solid-State Ultrathin Optical Systems
Sign Up to like & getrecommendations! Published in 2021 at "ACS Photonics"
DOI: 10.1021/acsphotonics.1c00189
Abstract: Most optical systems involve a combination of lenses separated by free-space regions where light acquires the required angle-dependent phase delay for a certain functionality. Very recently, flat-o... read more here.
Keywords: metasurfaces fully; optical systems; nonlocal metasurfaces; fully solid ... See more keywords
Thermodynamic theory of highly multimoded nonlinear optical systems
Sign Up to like & getrecommendations! Published in 2019 at "Nature Photonics"
DOI: 10.1038/s41566-019-0501-8
Abstract: Lately, there has been a resurgence of interest in nonlinear multimode optical systems. The sheer complexity emerging from the presence of a multitude of nonlinearly interacting modes has led not only to new opportunities in… read more here.
Keywords: highly multimoded; theory highly; optical systems; multimode optical ... See more keywords
Dual-Stage EDFA for Improving the Performance of Long-Haul Optical Systems
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3146978
Abstract: A cascade of single-stage erbium doped fiber amplifiers (SS-EDFAs) are known to improve the signal strength and system reach in long-haul optical systems. However, such a cascade introduces an amplified spontaneous emission (ASE) noise accumulation,… read more here.
Keywords: system; long haul; haul optical; stage ... See more keywords
Fundamental design parameters of two-component optical systems: theoretical analysis.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.383985
Abstract: The paper presents a detailed theoretical analysis of two-component optical systems of Petzval objective, tele-objectives, reverse tele-objectives, and objectives of anallactic type. This type of optical system is popular in practice, especially in the field… read more here.
Keywords: analysis; two component; theoretical analysis; component optical ... See more keywords
Economic tolerance analysis of optical systems based on distortion.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.468562
Abstract: In optical design, the purpose of tolerance allocation is not only to satisfy all image quality requirements but also to minimize the machining cost. Therefore, to achieve these two goals easily and quickly, in this… read more here.
Keywords: image quality; tolerance analysis; economic tolerance; tolerance ... See more keywords
Reduction of spherical and chromatic aberration in axial-scanning optical systems with tunable lenses.
Sign Up to like & getrecommendations! Published in 2021 at "Biomedical optics express"
DOI: 10.1364/boe.422936
Abstract: Optical systems with integrated tunable lenses allow for rapid axial-scanning without mechanical translation of the components. However, changing the power of the tunable lens typically upsets aberration balancing across the system, introducing spherical and chromatic… read more here.
Keywords: tunable lenses; spherical chromatic; chromatic aberration; optical systems ... See more keywords
Design method for freeform optical systems containing diffraction gratings.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.020792
Abstract: A design method for freeform optical systems containing diffraction gratings is developed based on Fermat's principle and Ludwig's grating ray-tracing equation. The proposed method can calculate fine starting-points for diffraction-grating-based imaging spectrometers with high performance… read more here.
Keywords: diffraction; freeform optical; design method; method freeform ... See more keywords
Wigner function-based modeling and propagation of partially coherent light in optical systems with scattering surfaces.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.422393
Abstract: Light scattering from residual manufacturing errors of optical surfaces has a large impact on the image quality of optical systems. Classical ray-based methods to simulate surface scattering in optical systems depend on statistical models of… read more here.
Keywords: propagation; function based; optical systems; wigner function ... See more keywords
Unified mathematical framework for a class of fundamental freeform optical systems.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.438920
Abstract: We present a unified mathematical framework for sixteen fundamental optical systems. The systems have a parallel or point source and a parallel, point, near-field or far-field target. These choices give eight configurations if we use… read more here.
Keywords: optical systems; class fundamental; unified mathematical; framework class ... See more keywords
Data-driven design of thin-film optical systems using deep active learning.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.459295
Abstract: A deep learning aided optimization algorithm for the design of flat thin-film multilayer optical systems is developed. The authors introduce a deep generative neural network, based on a variational autoencoder, to perform the optimization of… read more here.
Keywords: active learning; deep active; optical systems; thin film ... See more keywords
Simulation and compensation of thermal lensing in optical systems.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.467813
Abstract: High-power optical systems are used in a number of industrial applications. One difficulty in designing such systems is that the beam itself is a significant source of heat, which changes the optical properties of the… read more here.
Keywords: thermal lensing; compensation thermal; simulation compensation; optical systems ... See more keywords