Results 21 to 30 of about 14,103,706 (328)
Curcuma longa-Based Optical Sensor for Hydrochloric Acid and Ammonia Vapor Detection
Sensors, 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
Sparse Mid-Infrared Spectra Enable Real-time and In-vivo Applications in Tissue Discrimination [PDF]
EPJ 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
, 2019 Optical fibers in metrology, telecommunications, sensors, manufacturing, and health science have gained massive research interest. The number of applications is increasing at a fast pace. This book aims to present a collection of recent advances in fiber
core +2 more sources
Sensors, 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
Irradiance tailoring with multiple sources using B-spline refinement [PDF]
EPJ 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
Light Scattering from Contamination and Defects - Measurement, Analysis, and Modelling [PDF]
EPJ 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
Magnetorheological method applied to optics polishing: A review
IOP Conference Series: Materials Science and Engineering, 2020 Magnetorheological finishing method is carried out in order to correct errors of figures which are produced by conventional polishing methods on planes, spheres, aspheres and freeform optics having surface roughness value as low as 1 nm RMS.
Manjesh Kumar +3 more
semanticscholar +1 more source
Atom Interferometry with Floquet Atom Optics. [PDF]
Physical 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
Deep learning in biomedical optics [PDF]
Lasers in Surgery and Medicine, 2021 This article reviews deep learning applications in biomedical optics with a particular emphasis on image formation. The review is organized by imaging domains within biomedical optics and includes microscopy, fluorescence lifetime imaging, in vivo ...
L. Tian +7 more
semanticscholar +1 more source
Towards metropolitan free-space quantum networks
npj Quantum Information, 2023 Quantum communication has seen rapid progress towards practical large-scale networks, with quantum key distribution (QKD) spearheading this development.
Andrej Kržič +20 more
doaj +1 more source