Results 11 to 20 of about 6,226,339 (282)

Applied electromagnetic optics simulations for nanophotonics

open access: yesJournal of Applied Physics, 2021
Nanophotonics—the science and technology of confining, guiding, and making photons interact with matter at the nanoscale—is an active research field.
N. Anttu   +5 more
semanticscholar   +1 more source

Terahertz optoacoustic detection of aqueous salt solutions

open access: yesiScience, 2022
Summary: Terahertz radiation has been used to detect aqueous salt solutions; however, strong absorption of water in terahertz regime limits the application of traditional terahertz techniques.
Liwen Jiang   +6 more
doaj   +1 more source

Metasurface-enabled three-in-one nanoprints by multifunctional manipulations of light

open access: yesiScience, 2021
Summary: In metasurface-based ultra-compact image display, color-nanoprints, gray-imaging elements, and binary-pattern-imaging elements are three different types of nanoprints, implemented with different mechanisms of light manipulation.
Zile Li   +6 more
doaj   +1 more source

Sparse Mid-Infrared Spectra Enable Real-time and In-vivo Applications in Tissue Discrimination [PDF]

open access: yesEPJ Web of Conferences, 2022
Differentiation of malign and benign tissue based on spectral information can be done by only using a small fractional amount of the original mid-infrared spectrum.
Fischer Felix   +2 more
doaj   +1 more source

Curcuma longa-Based Optical Sensor for Hydrochloric Acid and Ammonia Vapor Detection

open access: yesSensors, 2023
In this research, we present a prototype optical system that offers significant advances in detecting hydrochloric acid (HCl) and ammonia (NH3) vapors.
A. Sánchez Juárez   +5 more
doaj   +1 more source

Irradiance tailoring with multiple sources using B-spline refinement [PDF]

open access: yesEPJ Web of Conferences, 2022
To increase the irradiance generated by an illumination system, multiple sub-systems, each generating their own irradiance distribution can be used.
Heemels Alexander   +2 more
doaj   +1 more source

Atom Interferometry with Floquet Atom Optics. [PDF]

open access: yesPhysical Review Letters, 2022
Floquet engineering offers a compelling approach for designing the time evolution of periodically driven systems. We implement a periodic atom-light coupling to realize Floquet atom optics on the strontium ^{1}S_{0}-^{3}P_{1} transition.
T. Wilkason   +8 more
semanticscholar   +1 more source

Ultra-thin light-weight laser-induced-graphene (LIG) diffractive optics

open access: yesLight: Science & Applications, 2023
The realization of hybrid optics could be one of the best ways to fulfill the technological requirements of compact, light-weight, and multi-functional optical systems for modern industries.
Younggeun Lee   +15 more
semanticscholar   +1 more source

Chlorophyll-a Pigment Measurement of Spirulina in Algal Growth Monitoring Using Portable Pulsed LED Fluorescence Lidar System

open access: yesSensors, 2022
Chlorophyll-a measurement is important in algal growth and water quality monitoring in natural waters. A portable pulsed LED fluorescence lidar system based on the preliminary algal organic matter and pigments excitation–emission matrix (EEM) of ...
Jumar G. Cadondon   +4 more
doaj   +1 more source

Light Scattering from Contamination and Defects - Measurement, Analysis, and Modelling [PDF]

open access: yesEPJ Web of Conferences, 2022
Light scattering induced by contamination and defects on optical components can quickly limit the component’s performance. Therefore, imperfection analysis and budgeting are mandatory - but also challenging tasks.
Tobias Herffurth   +3 more
doaj   +1 more source

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