Results 31 to 40 of about 166,743 (295)

Luneburg lens in silicon photonics [PDF]

open access: yes, 2011
The Luneburg lens is an aberration-free lens that focuses light from all directions equally well. We fabricated and tested a Luneburg lens in silicon photonics.
Andrea Di Falco   +21 more
core   +2 more sources

500-W Average Power, 100-mJ level Pulse Energy by Q-switched 7x7 Multicore Fiber Lasers [PDF]

open access: yesEPJ Web of Conferences
This work focuses on achieving high peak and average power through incoherent beam combination of Q-switched 49-core fiber laser. Results show 1.5-MW peak power, and 502-W average power between 1-10 kHz.
Bahri Mehran   +8 more
doaj   +1 more source

OPTICAL PROPERTIES AND CHEMICAL CHARACTERIZATION OF WOODY SYRUP BY USING METHODS OF APPLIED PHOTONICS [PDF]

open access: yesJournal of IMAB - Annual Proceeding (Scientific Papers), 2018
Introduction: The natural woody syrup is a typical product from the Canary Islands and America. It is often used for health food supplement for children, athletes and elderly because it has well-pronounced antioxidant properties. The interest in this syrup is increasing because it is often used in homeopathic medicine and consists of phenolic content ...
Poli Radusheva   +4 more
openaire   +2 more sources

Effects of Laser Plasma Formation on Quasi-Phase Matching of High-Order Harmonics from Nanoparticles and Atoms

open access: yesNanomaterials, 2019
The application of nanoparticles (NPs) and quasi-phase matching (QPM) each play an important role in the enhancement of high-order harmonics (HHG) of ultrashort laser pulses.
Rashid A. Ganeev   +3 more
doaj   +1 more source

From 3D to 2D and back again

open access: yesNanophotonics, 2023
The prospect of massive parallelism of optics enabling fast and low energy cost operations is attracting interest for novel photonic circuits where 3-dimensional (3D) implementations have a high potential for scalability.
Dinc Niyazi Ulas   +6 more
doaj   +1 more source

Phase-shift mask fabrication at micrometric scale by ion-exchange in glass for astronomical wavefront sensors [PDF]

open access: yesEPJ Web of Conferences, 2020
Photolithography combined with ion-exchange in glass is a well-known technology that can be applied to develop many different optical devices. In this work, we present the complete procedure to generate small circular phase-shift masks with diameters of ...
Prieto-Blanco Xesús   +5 more
doaj   +1 more source

Compression of extreme-ultraviolet ultrashort pulses by grating configurations [PDF]

open access: yes, 2015
The design and realization of grating instruments to condition the spectral phase of ultrashort extreme-ultraviolet pulses are discussed. The main application of such configurations is the temporal compression of pulses by compensating the phase chirp ...
Frassetto, Fabio   +2 more
core   +3 more sources

Editorial for the Special Issue “Interdisciplinary Approaches and Applications of Optics & Photonics”

open access: yesApplied Sciences
The remarkable development of pure and applied research in the fields of optics and photonics in the past few decades has reinforced the need to position optics among the major fields of science that are considered to have remarkable, multi-fold impacts ...
Manuel F. M. Costa, Sandra Franco
doaj   +1 more source

Quantum fluctuations and random matrix theory

open access: yes, 2003
The random matrix ensembles are applied to the quantum statistical two-dimensional systems of electrons. The quantum systems are studied using the finite dimensional real, complex and quaternion Hilbert spaces of the eigenfunctions.
Duras, Maciej M.
core   +5 more sources

Polarizability Expressions for Predicting Resonances in Plasmonic and Mie Scatterers

open access: yes, 2017
Polarizability expressions are commonly used in optics and photonics to model the light scattering by small particles. Models based on Taylor series of the scattering coefficients of the particles fail to predict the morphologic resonances hosted by ...
Bonod, Nicolas   +4 more
core   +3 more sources

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