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
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Designing miniature x-ray optics for the SmallSat lunar science mission concept CubeX [PDF]
, 2020 Planetary remote-sensing instruments are often required to cover a relatively large field of view, ideally with a uniform angular resolution over the field, due to relatively large apparent sizes of planetary targets at close proximities.
Kashyap, VL +6 more
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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
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Applications of Lasers for Sensing and Free Space Communications: introduction to the feature issue
, 2023 ALS1ALS4This feature issue highlights the latest developments in laser-based sensing and free space communications. In total, 15 papers were published in Applied Optics, including an invited review paper that celebrates the legacy of David L.
Watson, Edward A. +13 more
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Transformation optics, isotropic chiral media and non-Riemannian geometry [PDF]
, 2011 Copyright © 2011 IOP Publishing Ltd and Deutsche Physikalische GesellschaftOpen Access journalArticle published under a Creative Commons Attribution 3.0 Unported (CC-BY) licenseThe geometrical interpretation of electromagnetism in transparent media ...
Horsley, S. A. R., S A R Horsley
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Conformal antireflection coatings for optical dome covers by atomic layer deposition
, 2023 B92B96Complex 3D-shaped optics are difficult to coat with conventional technologies. In this research, large top-open optical glass cubes with a 100 mm side length were functionalized to simulate large dome-shaped optics.
Beladiya, Vivek +7 more
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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
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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
Endoscopic spatial frequency domain imaging based on fringe projection using 3D-printed microoptics [PDF]
EPJ Web of ConferencesThis work presents an endoscopic spatial frequency domain imaging (SFDI) system, which uses a 3D-printed micro-optical fringe projection lens mounted onto the tip of a multimode fiber for pattern generation.
Atmaca Ömer +7 more
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