Results 21 to 30 of about 217,553 (313)

Analyzing the Electronics of Image Sensors and Their Functionality to Develop Low Light-Emitting Source Image

open access: yesApplied System Innovation, 2022
Bioluminescence imaging has been used to visualize the biological effects of human beings and is a promising technique in a recent modality. In this study, the digital image technique is used to improve quality and recover images.
Rai Chiranjeevi   +6 more
doaj   +1 more source

Electron-photon interaction in quantum dots : spin and entanglement [PDF]

open access: yes, 2005
The interaction of electrons and photons lies at the heart of quantum physics. The most notable phenomena which are described by quantum physics but which obviously invalidate a classical description of the electromagnetic field - the photoelectric ...
Gywat, Oliver
core   +1 more source

Effect of dysprosium on the radiation-shielding features of SiO2–PbO–B2O3 glasses

open access: yesOpen Physics, 2023
In a variety of applications using ionizing radiation, it is essential to ensure the safety of both individuals and equipment. To this end, excellent radiation shielding materials, including glasses and rare earth elements, such as Dy2O3, are currently ...
Almuqrin Aljawhara H.   +1 more
doaj   +1 more source

PHOTON-PHOTON INTERACTIONS [PDF]

open access: yesNuclear Physics A, 1981
Abstract A brief summary of the present status of photon-photon interactions is presented. Stress is placed on the use of two-photon collisions to test present ideas on the quark constituents of hadrons and on the theory of strong interactions.
openaire   +1 more source

Overcoming phonon-induced dephasing for indistinguishable photon sources [PDF]

open access: yes, 2012
Reliable single photon sources constitute the basis of schemes for quantum communication and measurement based quantum computing. Solid state single photon sources based on quantum dots are convenient and versatile but the electronic transitions that ...
Gauger, Erik M.   +3 more
core   +1 more source

Photons, photon jets, and dark photons at 750 GeV and beyond [PDF]

open access: yesThe European Physical Journal C, 2016
13 pages, 5 figures.
Dasgupta, Basudeb   +2 more
openaire   +5 more sources

Photonic circuits for generating modal, spectral, and polarization entanglement [PDF]

open access: yes, 2010
We consider the design of photonic circuits that make use of Ti:LiNbO(3) diffused channel waveguides to generate photons with various combinations of modal, spectral, and polarization entanglement.
Saleh, Bahaa E. A.   +13 more
core   +2 more sources

High energy photon-photon collisions [PDF]

open access: yesNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1995
The collisions of high energy photons produced at an electron-positron collider provide a comprehensive laboratory for testing QCD, electroweak interactions, and extensions of the Standard Model. The luminosity and energy of the colliding photons produced by back-scattering laser beams is expected to be comparable to that of the primary $e^+e ...
Brodsky, Stanley J.   +3 more
openaire   +3 more sources

Learning cellular morphology with neural networks

open access: yesNature Communications, 2019
Volume electron microscopy data of brain tissue can tell us much about neural circuits, but increasingly large data sets demand automation of analysis. Here, the authors introduce cellular morphology neural networks and successfully automate a range of ...
Philipp J. Schubert   +4 more
doaj   +1 more source

Compact coupler designs for quantum optical circuits produced by direct UV writing [PDF]

open access: yes, 2009
Integrated planar lightwave circuits (PLCs) provide a promising route to small-scale quantum optical networks [1]. Recent work on quantum logic gates using silica-based PLCs has highlighted the opportunities afforded by the ability to coherently ...
B.J. Smith   +28 more
core   +1 more source

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