Results 21 to 30 of about 5,558,330 (321)
Remote Sensing, 2022 This communication article provides a call for unmanned aerial vehicle (UAV) users in archaeology to make imagery data more publicly available while developing a new application to facilitate the use of a common deep learning algorithm (mask region-based
Mark Altaweel +5 more
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Ritchey–Common test for a 1.5 m–diameter flat mirror [PDF]
Journal of the European Optical Society-Rapid Publications, 2014 This study intensively investigates the Ritchey–Common test to enable high-precision measurement of a plane mirror figure with a diameter of 1.5 m. We present a method for separating the adjustment error combined with tested data and the least–square ...
Zhu S., Zhang X. H.
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Volterra-assisted Optical Phase Conjugation: a Hybrid Optical-Digital Scheme For Fiber Nonlinearity Compensation [PDF]
, 2018 Mitigation of optical fiber nonlinearity is an active research field in the area of optical communications, due to the resulting marked improvement in transmission performance.
Bayvel, Polina +2 more
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Remote Sensing, 2021 Tidal wetlands are critically important ecosystems that provide ecosystem services including carbon sequestration, storm surge mitigation, water filtration, and wildlife habitat provision while supporting high levels of biodiversity.
Brian T. Lamb +2 more
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Optical phase synchronization in coherent optical beamformers for phased array receive antennas [PDF]
, 2009 An optical phase synchronization system using a power feedback loop technique is experimentally demonstrated. The system allows coherent combining of signals modulated on the same optical carrier in a hybrid optical beam forming system ...
Burla, M. +7 more
core +3 more sources
Preparation and Characterization of Vanadium Pentoxide Using Spray Pyrolysis Technique
Journal of Scientific Research in Science, 2021 A chemical spray pyrolysis technique was used to deposit a vanadium pentoxide (V2O5) thin films on glass substrate with a deposition temperature ranged from 300°C to 500°C in step of 50°C.
Mai A. Mohamed +2 more
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Recent Advances in Cellulose-Based Biosensors for Medical Diagnosis
Biosensors, 2020 Cellulose has attracted much interest, particularly in medical applications such as advanced biosensing devices. Cellulose could provide biosensors with enhanced biocompatibility, biodegradability and non-toxicity, which could be useful for biosensors ...
Samir Kamel, Tawfik A. Khattab
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Progress in Optical and Electrochemical Sensors for Detection of Quinolone Antibiotics in Food
Shipin gongye ke-ji, 2023 Quinolone antibiotic residues present a high risk for food safety and have gained widespread attention. Nanomaterials based sensors have the advantages of on-site application, sensitivity, and small sample volume requirement and has attracted significant
Tianfeng LÜ +6 more
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Quantum optical waveform conversion [PDF]
, 2010 Currently proposed architectures for long-distance quantum communication rely on networks of quantum processors connected by optical communications channels [1,2].
A. P. Vandevender +3 more
core +2 more sources
Optical near-fields & nearfield optics
Beilstein Journal of Nanotechnology, 2014 Optical methods provide exceedingly powerful tools in science and technology for measuring, analyzing and manipulating, from optical microscopy and spectroscopy to the characterization of ultrafast processes by femtosecond pulses and the modification of materials by intense laser radiation. However, when it comes to applications in the nanometer-regime,
Meixner, Alfred J., Leiderer, Paul
openaire +4 more sources