Airborne Constant Ground Resolution Imaging Optical System Design
PhotonicsWhen an unmanned aerial vehicle (UAV) tilts to capture an image of a ground target, variations in object distance may lead to uneven resolution distribution, with the focal length ranging from zero to the full field of view.
Zhiqiang Yang +6 more
doaj +2 more sources
Constant envelope OFDM transmission over metro-regional optical links
, 2023 13311339The transmission of constant envelope orthogonal frequency division multiplexing (CE-OFDM) signals is experimentally demonstrated in this paper to increase the reach of metro-regional optical links.
Maria J. Pontes +9 more
core +1 more source
Applied constant gain amplification in circulating loop experiments [PDF]
, 2009 The reconfiguration of channel or wavelength routes in optically transparent mesh networks can lead to deviations in channel power that may impact transmission performance.
Barry, Liam P. +3 more
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Nickel doping effect on the structural and optical properties of indium sulfide thin films by SILAR
Open Chemistry, 2018 Undoped and nickel doped indium sulfide (In2S3:Ni) thin films have been deposited on indium tin oxide (ITO) coated glass substrates by successive ionic layer adsorption and reaction (SILAR) method.
Göde Fatma, Ünlü Serdar
doaj +1 more source
The optical properties of (PVA+PVP) + PANI blends
Iraqi Journal of Physics, 2019 Polyaniline polymer has been prepared by chemical oxidation polymerization method in laboratory successfully. The PANI and (PVA+PVP) as a polymer blends in different percentage (30%, 50%, 70%) from Polyaniline was prepared.
Jinan M. Hassan Jabir
doaj +1 more source
Development of microstructures for the formation of metamaterial properties of piezoelectric elements [PDF]
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2023 Microcells were designed for subsequent modeling of piezoelectric and optical elements on their basis. The development of piezoelectric and optical elements from microcells was carried out and models were prepared for 3D printing.
V. S. But, A. A. Kobelev, S. V. Karpeev
doaj +1 more source
Dopping Effect on Optical Constant of Poly (Vinyl Chloride)
مجلة بغداد للعلوم, 2011 Thick films of poly(vinyl chloride)(PVC)& PVC doped with Zn(etx)2 salt complex have been prepared by cast method with fixed thickness almost (120±5) Microns.
Baghdad Science Journal
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Design of Passive Constant-Force End-Effector for Robotic Polishing of Optical Reflective Mirrors
Chinese Journal of Mechanical Engineering, 2022 Polishing plays an indispensable role in optical processing, especially for large-aperture optical reflective mirrors with freeform surfaces. Robotic polishing requires effective control of the contact force between the robot and the mirror during ...
Jian Zhang +4 more
doaj +1 more source
Investigation of optical properties of sodium superoxide loaded polyaniline in uv and visible region [PDF]
Songklanakarin Journal of Science and Technology (SJST), 2022 The PANi/NaO2 composites were prepared using an ex-situ technique in 5–20 wt.% range. The NaO2 was prepared in a single step by heating sodium nitrate in oxygen rich environment.
Rajesh Barde +2 more
doaj +1 more source
Multipole method for microstructured optical fibers. II. Implementation and results [PDF]
, 2002 We describe the numerical verifications of a multipole formulation for calculating the electromagnetic properties of the modes that propagate in microstructured optical fibers.
R. C. Mcphedran +22 more
core +1 more source