Results 41 to 50 of about 2,682,308 (349)

Full wave optical profilometry [PDF]

Journal of the Optical Society of America A, 2011
We show that tomographic diffractive microscopy can be used for profilometry applications with high transverse resolution. We present an iterative reconstruction procedure, based on a rigorous wave scattering model, that permits us to retrieve the profile of rough metallic interfaces from the complex scattered field.
Arhab, Slimane, Soriano, G., Belkebir, K., Sentenac, A., Giovannini, H.   +4 more
openaire   +4 more sources

Bridging coherence optics and classical mechanics: A generic light polarization-entanglement complementary relation

Physical Review Research, 2023
While optics and mechanics are two distinct branches of physics, they are connected. It is well known that the geometrical/ray treatment of light has direct analogies to mechanical descriptions of particle motion.
Xiao-Feng Qian, Misagh Izadi
doaj   +1 more source

Optical Spin Waves

Nano Letters
Chirality is inherent to a broad range of systems, including in solid-state and wave physics. The precession (chiral motion) of electron spins in magnetic materials, forming spin waves, has various properties and many applications in magnetism and spintronics.
Vage Karakhanyan, Roland Salut, Miguel Angel Suarez, Nicolas Martin, Thierry Grosjean   +4 more
openaire   +4 more sources

Influence of Photon Beam and Motor Vibrations on At-Wavelength X-Ray Speckle Scanning Metrology

Frontiers in Physics, 2022
Speckle scanning metrology is an effective tool to determine the X-ray wave front error in synchrotron radiation. By measuring wave front radii of curvature, X-ray optics can be high-precision aligned and adaptive optics can be used for compensating ...
Naxi Tian, Hui Jiang, Hui Jiang, Hui Jiang, Lian Xue, Jianan Xie, Jianan Xie   +6 more
doaj   +1 more source

Computer simulations of optical turbulence in the weak- and strong-scattering regime: angle-of-arrival fluctuations obtained from ray optics and wave optics

Optical Engineering: The Journal of SPIE, 2018
. It is known that certain geometrical-optics predictions often agree well with optical turbulence field observations even though theoretical constraints for ignoring diffraction may be violated.
D. Voelz, Erandi Wijerathna, A. Muschinski, X. Xiao   +3 more
semanticscholar   +1 more source

Wave optics in black hole spacetimes: the Schwarzschild case [PDF]

, 2015
We investigate the wave optics in the Schwarzschild spacetime. Applying the standard formalism of wave-scattering problems, the Green function represented by the sum over the partial waves is evaluated using the Poisson sum formula.
Y. Nambu, Sousuke Noda
semanticscholar   +1 more source

Wave-optics description of self-healing mechanism in Bessel beams. [PDF]

Optics Letters, 2014
Bessel beams' great importance in optics lies in that these propagate without spreading and can reconstruct themselves behind an obstruction placed across their path. However, a rigorous wave-optics explanation of the latter property is missing.
A. Aiello, G. Agarwal
semanticscholar   +1 more source

Molecular characterisation of human penile carcinoma and generation of paired epithelial primary cell lines

Molecular Oncology, EarlyView.
Generation of two normal and tumour (cancerous) paired human cell lines using an established tissue culture technique and their characterisation is described. Cell lines were characterised at cellular, protein, chromosome and gene expression levels and for HPV status.
Simon Broad, Mahmood Hachim, Tom Bertin, Karolina Penderecka, Rifat Hamoudi, Saif Khan, Rui Henrique, Natalie Bergmoser, Manit Arya, Kalle Sipila, Matteo Vietri Rudan, Asif Muneer, Aamir Ahmed   +12 more
wiley   +1 more source

Onset of the broad-ranging general stable soliton solutions of nonlinear equations in physics and gas dynamics

Results in Physics, 2021
Stable soliton solutions for the nonlinear Klein–Gordon equation in condensed matter physics, particle physics, nonlinear optics, solid state physics and the gas dynamics equation ensuing in shock fronts have been established by putting use of the sine ...
Md. Abdul Kayum, Shamim Ara, M.S. Osman, M. Ali Akbar, Khaled A. Gepreel   +4 more
doaj   +1 more source

Interplay between RNA‐protein interactions and RNA structures in gene regulation

FEBS Open Bio, EarlyView.
Methodological advances in mapping transcriptome‐wide RNA‐protein interactions and RNA structures have started to uncover the potential of RNP conformations in gene regulation. Competing RNA–RNA, RNA‐protein and protein–protein interactions shape the compaction and function of RNPs throughout their lifetime and may provide novel therapeutic targets in ...
Jenni Rapakko, Mauro Scaravilli, Minna‐Liisa Änkö   +2 more
wiley   +1 more source