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Laura Marcelli
The telescope Mini-EUSO has been observing, since 2019, the Earth in the ultraviolet band (290?430 nm) through a nadir-facing UV-transparent window in the Russian Zvezda module of the International Space Station. The instrument has a square field of view...
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Taddeo Ssenyonga, Øyvind Frette, Børge Hamre, Knut Stamnes, Dennis Muyimbwa, Nicolausi Ssebiyonga and Jakob J. Stamnes
We present an algorithm for simultaneous retrieval of aerosol and marine parameters in coastal waters. The algorithm is based on a radiative transfer forward model for a coupled atmosphere-ocean system, which is used to train a radial basis function neur...
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Ha Duyen Trung
Recently, a combination of unmanned aerial vehicles (UAVs) and free-space optics (FSO) has been investigated as a potential method for high data-rate front-haul communication links. The aim of this work was to address the performance of UAV-to-ground sta...
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Victor A. Kulikov, Svetlana L. Lachinova, Mikhail A. Vorontsov and Venkata S. Rao Gudimetla
A concept of atmospheric turbulence characterization using laser light backscattered off a moving unresolved target or a moving target with a glint is considered and analyzed through wave-optics numerical simulations. The technique is based on analysis o...
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Hirokatsu Yumoto, Yuichi Inubushi, Taito Osaka, Ichiro Inoue, Takahisa Koyama, Kensuke Tono, Makina Yabashi and Haruhiko Ohashi
A nanofocusing optical system?referred to as 100 exa?for an X-ray free-electron laser (XFEL) was developed to generate an extremely high intensity of 100 EW/cm2 (1020 W/cm2) using total reflection mirrors. The system is based on Kirkpatrick-Baez geometry...
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Stefan Hippler, Wolfgang Brandner, Silvia Scheithauer, Martin Kulas, Johana Panduro, Peter Bizenberger, Henry Bonnet, Casey Deen, Françoise Delplancke-Ströbele, Frank Eisenhauer, Gert Finger, Zoltan Hubert, Johann Kolb, Eric Müller, Laurent Pallanca, Julien Woillez, Gérard Zins and GRAVITY Collaboration
This article describes the operation of the near-infrared wavefront sensing based Adaptive Optics (AO) system CIAO. The Coudé Infrared Adaptive Optics (CIAO) system is a central auxiliary component of the Very Large Telescope (VLT) interferometer (VLTI)....
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Theodore T. Kapsis, Nikolaos K. Lyras, Charilaos I. Kourogiorgas and Athanasios D. Panagopoulos
Next generation 5G networks generate a need for broadband, low latency and power efficient backhauling and data-relay services. In this paper, optical satellite communications links, as an integrated component of 5G networks, are studied. More specifical...
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Abdul-Halim Jallad, Prashanth Marpu, Zulkifli Abdul Aziz, Abdulla Al Marar and Mohammed Awad
Climate change and global warming are attributed to the increased levels of greenhouse Gases in the atmosphere. Miniature low-cost, lightweight instruments on-board low-cost nanosatellite platforms such as CubeSats could be used to provide precise measur...
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Beenish Hafeez,Muhammad Shahid Iqbal,Areeba Asif,Meera Tariq
The study was conducted at University of Gujrat during 2015 with an objective to explore the effects of dust on Free Space Optics (FSO) communication. Growing pollution and dust gales motivated studies we presented in this paper. In this paper analysis o...
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