Results 31 to 40 of about 6,104,454 (322)
Measurement and correction of two-sided freeform optical elements with combined tactile-optical metrology equipment [PDF]
EPJ Web of Conferences, 2019 Freeform optical elements are state of the art for several years to fabricate very high performance optical systems with the necessity of, e.g., strong folding in mirror system or correction of typical asymmetric aberrations in mirror systems as well as ...
Hartung Johannes +5 more
doaj +1 more source
Tapered multicore fibers for energy-scalable fiber laser systems [PDF]
EPJ Web of Conferences, 2022 With active multicore fibers (MCFs), many parallel amplifying waveguides can be densely assembled into a common glass cladding. A tapered fiber geometry applied to MCFs enhances the power and energy scalability of these systems by increasing the doped ...
Aleshire Christopher +10 more
doaj +1 more source
COMPACT HANDHELD FRINGE PROJECTION BASED UNDERWATER 3D-SCANNER [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015 A new, fringe projection based compact handheld 3D scanner for the surface reconstruction of measurement objects under water is introduced. The weight of the scanner is about 10 kg and can be used in a water depth of maximal 40 metres.
C. Bräuer-Burchardt +4 more
doaj +1 more source
Analysis of influence on the solar simulator light source off-focus to the spot
Journal of Hebei University of Science and Technology, 2015 Aiming at focusing-type solar simulator, the paper researches the relationship between the defocusing amount and the facula irradiance. With the optical system of focusing-type solar simulator as research object, simulation is conducted based on a short ...
Jiayu ZHANG +3 more
doaj +1 more source
Multifunctional contamination-resistant coatings [PDF]
EPJ Web of Conferences, 2019 Surface contaminations can critically affect the performance of optical surfaces, in particular with respect to light scattering, optical losses, and laser stability.
Felde Nadja +3 more
doaj +1 more source
Optical Technologies Applied to Cultural Heritage [PDF]
Heritage, 2022 Who knows about light [...]
Antonio A. Fernandez-Balbuena +1 more
openaire +4 more sources
Frontiers in Photonics, 2021 Nonlinear science, i.e., the study of systems capable of generating new frequencies, is ubiquitous and fascinating; as opposed to linear science, where we often have well known tools to tackle a specific problem, when nonlinearity comes into play, and ...
Costantino De Angelis
semanticscholar +1 more source
Metasurface-enabled three-in-one nanoprints by multifunctional manipulations of light
iScience, 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
Terahertz optoacoustic detection of aqueous salt solutions
iScience, 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
Analysis on Location Accuracy for the Binocular Stereo Vision System
IEEE Photonics Journal, 2018 Binocular stereo vision (BSV) system has been widely used in various fields, such as intelligent manufacture, smart robot, and so on. However, the location accuracy of the current BSV still cannot fully satisfy industry requirements due to lack of a ...
Lu Yang +4 more
doaj +1 more source