Ablation Resolution in Laser Corneal Refractive Surgery: The Dual Fluence...
Purpose. To evaluate to which extent individual Zernike terms can be corrected. Methods. Ablation time and fidelity was analysed using different fluence levels (range 90–2000 mJ/cm2) and aspheric...
View ArticleImpact of Nanograting Phase-Shift on Light Absorption Enhancement in...
The finite difference time-domain (FDTD) method is used to simulate the light absorption enhancement in a plasmonic metal-semiconductor-metal photodetector (MSM-PD) structure employing a metal...
View ArticleMeasurement of Terahertz Optical-Beat Frequency Using High-Order Harmonics of...
A method for measuring frequencies of the terahertz (THz) radiation emitted by the antenna mounted on the photoconductive (PC) device is presented. Two laser beams with slightly different frequencies...
View ArticleCoherent Optical DFT-Spread OFDM
We consider application of the discrete Fourier transform-spread orthogonal frequency-division multiplexing (DFT-spread OFDM) technique to high-speed fiber optic communications. The DFT-spread OFDM is...
View ArticleWhite Light Electroluminescence by Organic-Inorganic Heterostructures with...
We have developed a white organic light-emitting diode featuring a double emission layer comprising a blue light-emitting conductive polymer as a host material for Cadmium Selenide (CdSe) quantum dots...
View ArticleThermal Temperature Measurements of Plasma Torch by Alexandrite Effect...
An alexandrite effect spectropyrometer is used to directly measure the thermal temperature of an argon gas plasma jet from a 100 kW DC plasma torch, and the directly measured thermal temperature of the...
View ArticleRaman Spectroscopy for Clinical Oncology
Cancer is one of the leading causes of death throughout the world. Advancements in early and improved diagnosis could help prevent a significant number of these deaths. Raman spectroscopy is a...
View ArticleA Diode-Laser-System for Laser-Assisted Bending of Brittle Materials
We developed a small and compact system of diode lasers, which can be inserted into the lower tools of a bending press. The parts of the system allow easy plug and play operation and can be installed...
View ArticleLaser Control of Self-Organization Process in Microscopic Region and...
We present a controlling technique of microporous structure by laser irradiation during self-organization process. Self-organization process is fabrication method of microstructure. Polymer solution...
View ArticlePhysical Properties and Behaviour of Highly Bi-Substituted Magneto-Optic...
Rare-earth and Bi-substituted iron garnet thin film materials exhibit strong potential for application in various fields of science and frontier optical technologies. Bi-substituted iron garnets...
View ArticleFull-Field and Single-Shot Full-Field Optical Coherence Tomography: A Novel...
Since its introduction, optical coherence tomography (OCT) technology has advanced dramatically in various field of both clinical and fundamental research. Full-field and Single-shot full-field OCT...
View ArticleNonstandard FDTD Simulation-Based Design of CROW Wavelength Splitters
The finite-difference time-domain (FDTD) algorithm has been used in simulation-based designs of many optical devices, but it fails to reproduce high-Q whispering gallery modes (WGMs). On the other...
View ArticleSpherical Aberration Correction Using Refractive-Diffractive Lenses with an...
We propose an alternative method to design diffractive lenses free of spherical aberration for monochromatic light. Our method allows us to design diffractive lenses with the diffraction structure...
View ArticleA New Method for Airborne Sound Detection Using Total Internal Reflection and...
A new method for detecting the sound pressure in air, which uses the total internal reflection at the curved interface between glass and air, is proposed, and its application to microphone is...
View ArticleDetecting Phase Shifts in Surface Plasmon Resonance: A Review
Under certain conditions, a surface plasmon wave along a metal-dielectric interface can be excited by an optical beam. The reflected optical beam will then undergo changes in both intensity and phase....
View ArticleOptical Properties of Afterglow Nanoparticles Sr2MgSi2O7: Eu2+, Dy3+ Capped...
The optical properties of afterglow nanoparticles were successfully improved by the addition of polyethylene glycol (PEG) to an afterglow colloidal solution. Afterglow nanoparticles—Sr2MgSi2O7: Eu2+,...
View ArticleAll-Optical Reversible Logic Gates with Optically Controlled...
We present designs of all-optical reversible gates, namely, Feynman, Toffoli, Peres, and Feynman double gates, with optically controlled microresonators. To demonstrate the applicability, a...
View ArticleRemote Colorimetric and Structural Diagnosis by RGB-ITR Color Laser Scanner...
Since several years ENEA's Artificial Vision laboratory is involved in electrooptics systems development. In the last period the efforts are concentrated on cultural heritage remote diagnosis, trying...
View ArticleReduced-Thickness-Dependent Polarized Light Transmittance of Magnetic Fluids...
The polarized light transmittance of magnetic fluids under longitudinal magnetic field (parallels the propagation direction of the incident light) is simulated theoretically. The investigated samples...
View ArticleMechanical Action of Inhomogeneously Polarized Optical Fields and Detection...
We analyze numerically correspondence between the mechanical action, experienced by a spherical microparticle, and the internal energy flows in the light field incident on the particle. The...
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