L. Himics
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View article: Size-selective particle separation combined with fluorescence excitation module for real-time detection of airborne microorganisms: a feasibility study
Size-selective particle separation combined with fluorescence excitation module for real-time detection of airborne microorganisms: a feasibility study Open
Over the past few decades, the detection of airborne pathogens in various indoor and outdoor settings has emerged as a crucial area of research and development. Bioaerosols, stemming from natural or industrial sources and comprising airbor…
View article: Wavelength-Dependent Femtosecond Laser-Induced Structural Changes in Ultra-Nanocrystalline Diamond Studied by Raman Spectroscopy
Wavelength-Dependent Femtosecond Laser-Induced Structural Changes in Ultra-Nanocrystalline Diamond Studied by Raman Spectroscopy Open
View article: A felületerősített Raman-szórás alkalmazása mikroműanyagok azonosítására
A felületerősített Raman-szórás alkalmazása mikroműanyagok azonosítására Open
View article: A modified plasma immersed solid-phase impurity assisted doping geometry for the creation of highly fluorescent CVD nanodiamond
A modified plasma immersed solid-phase impurity assisted doping geometry for the creation of highly fluorescent CVD nanodiamond Open
In this work, we report on a simple and easy to realize doping geometry by which the color center formation efficiency can be improved significantly in nanocrystalline diamond structures during solid impurity source-assisted microwave plas…
View article: Spectrally Focused Stimulated Raman Scattering (sf-SRS) Microscopy for Label-Free Investigations of Molecular Mechanisms in Living Organisms
Spectrally Focused Stimulated Raman Scattering (sf-SRS) Microscopy for Label-Free Investigations of Molecular Mechanisms in Living Organisms Open
Stimulated Raman Scattering (SRS) microscopy is a light-based non-linear imaging method for visualizing a molecule based on its chemical properties, i.e., the vibrational energy states reflecting the molecule’s structure and its environmen…
View article: A Modified Plasma Immersed Solid-Phase Impurity Assisted Doping Geometry for the Creation of Highly Fluorescent Cvd Nanodiamond
A Modified Plasma Immersed Solid-Phase Impurity Assisted Doping Geometry for the Creation of Highly Fluorescent Cvd Nanodiamond Open
View article: Characterisation of Channel Waveguides Fabricated in an Er3+-Doped Tellurite Glass Using Two Ion Beam Techniques
Characterisation of Channel Waveguides Fabricated in an Er3+-Doped Tellurite Glass Using Two Ion Beam Techniques Open
Two methods were proposed and implemented for the fabrication of channel waveguides in an Er-doped Tellurite glass. In the first method, channel waveguides were fabricated by implanting 1.5 MeV and 3.5 MeV energy N+ ions through a special …
View article: Nanogold-capped poly(DEGDMA) microparticles as surface-enhanced Raman scattering substrates for DNA detection
Nanogold-capped poly(DEGDMA) microparticles as surface-enhanced Raman scattering substrates for DNA detection Open
A novel platform for surface-enhanced Raman scattering (SERS) was fabricated consisting of diethylene glycol dimethacrylate microparticles prepared by gamma-radiation initiated polymerization and decorated with gold nanoparticles. The comp…
View article: <i>Ex-vivo</i> confocal Raman microspectroscopy of porcine skin with 633/785-NM laser excitation and optical clearing with glycerol/water/DMSO solution
<i>Ex-vivo</i> confocal Raman microspectroscopy of porcine skin with 633/785-NM laser excitation and optical clearing with glycerol/water/DMSO solution Open
Confocal Raman microspectroscopy (CRM) with 633- and 785-nm excitation wavelengths combined with optical clearing (OC) technique was used for ex-vivo study of porcine skin in the Raman fingerprint region. The optical clearing has been perf…
View article: A generalized exponential relationship between the surface-enhanced Raman scattering (SERS) efficiency of gold/silver nanoisland arrangements and their non-dimensional interparticle distance/particle diameter ratio
A generalized exponential relationship between the surface-enhanced Raman scattering (SERS) efficiency of gold/silver nanoisland arrangements and their non-dimensional interparticle distance/particle diameter ratio Open
The optimization of the geometrical properties of gold/silver nanoparticle arrangements to maximize their surface-enhanced Raman scattering (SERS) efficiency is studied in this work. For this purpose, the metallic nanostructures were creat…
View article: Enhancement in Inverse Pyramid SERS Substrates with Entrapped Gold Nanoparticles
Enhancement in Inverse Pyramid SERS Substrates with Entrapped Gold Nanoparticles Open
Giant plasmonic surface enhancement has been observed in gold coated micron sized inverse pyramids entrapping a gold nanoparticle. The amplification of both surface enhanced Raman and photoluminescence signals was found to be dependent on …
View article: Stimulated Raman spectroscopy with femtosecond laser and spectral focusing detection
Stimulated Raman spectroscopy with femtosecond laser and spectral focusing detection Open
View article: PDMS-Au/Ag Nanocomposite Films as Highly Sensitive SERS Substrates
PDMS-Au/Ag Nanocomposite Films as Highly Sensitive SERS Substrates Open
Polydimethylsiloxane (PDMS)–gold/silver nanoparticle composite films were synthetized in situ by using a simple method, which is based on the reduction of chloroauric acid (HAuCl4) or silver nitrate solution (AgNO3) by the PDMS membrane. A…
View article: Investigation of the performance of thermally generated gold nanoislands for LSPR and SERS applications
Investigation of the performance of thermally generated gold nanoislands for LSPR and SERS applications Open
In this work, the performance of gold nanoislands was investigated for Localized Surface Plasmon Resonance (LSPR) and Surface Enhanced Raman Spectroscopy (SERS) applications. Nanoislands were generated by thermally annealing thin layers of…
View article: Lumineszcencia centrumok kialakítása és spektrális jellemzése nanogyémántban
Lumineszcencia centrumok kialakítása és spektrális jellemzése nanogyémántban Open
View article: Comparative Analysis of SERS Substrates of Different Morphology
Comparative Analysis of SERS Substrates of Different Morphology Open
In this work the surface enhanced Raman scattering (SERS) performance of gold coated patterned silicon surfaces of different morphology and period was investigated. Arrays of inverse pyramids, spheres and rounded pyramids of different size…
View article: Design and fabrication of integrated optical elements in glasses and crystals by various ion beam techniques
Design and fabrication of integrated optical elements in glasses and crystals by various ion beam techniques Open
View article: Nickel-Silicon Related Color Center Formed in Nanodiamond Grains under CVD Growth
Nickel-Silicon Related Color Center Formed in Nanodiamond Grains under CVD Growth Open
Formation of optical centers in nanodiamond grains with narrow, near-infrared emission at room temperature is one of the most important challenges nowadays. Our aim was to form a metal-related color center through the CVD growth process of…