6814 Suchergebnisse für: „“

NIR spectroscopic analyses of chemical osteoarthritic cartilage models

An Innovative Bioassay for the Rapid Detection of E. coli Based on Magnetic Beads and Enzymatically Generated Silver Nanoparticles

Plasmonic Nanostructures on the Basis of Ag Covered PMMA Gratings

We present results from the development of plasmonic chips for surface enhanced Raman spectroscopy (SERS). Our technological approach is based on the patterning of a resist film (PMMA) on a quartz substrate...

Metallische Nanopartikel für die moderne Hochleistungsanalytik

LOC-SERS using metal nanoparticles for quantitative detection of the simulated metabolism of nicotine in urine

In this contribution the great potential of surface enhanced Raman spectroscopy (SERS) in a lab-on-a-chip device (LOC) for the quantitative analysis of molecules in a complex environment is demonstrated....

Femtosecond pulse-induced Fiber Bragg Gratings for in-core temperature measurement in optically pumped Yb-doped silica fibers

We report on the in-core fiber temperature measurements in Yb2O3-doped aluminum silicate fibers during optical pumping using UV femtosecond-induced fiber Bragg gratings (FBG). The FBG containing fiber...

Catalytic processes monitored at the nanoscale with tip-enhanced Raman spectroscopy

Heterogeneous catalysts play a pivotal role in the chemical industry, but acquiring molecular insights into functioning catalysts remains a significant challenge1–4. Recent advances in micro-spectroscopic...

Innovative Hybrid Materials for Coating Special Silica Optical Fibers

Inorganic organic (hybrid) materials (ORMOCER®s ) were used to coat optical fibers for use in Fiber Bragg Grating sensors and in high power transmission fibers. The materials are synthesized via sol-gel...

Study of Lanthanum Aluminum Silicate Glasses for Passive and Active Optical Fibers

We are reporting on SiO2-Al2O3-La2O3 glasses with and without Yb2O3 suitable for nonlinear and fiber laser applications. The glass compositions were optimized in terms of thermal and optical requirements...

Monolayers of different metal nanoparticles in microstructured optical fibers with multiplex plasmonic properties

Microstructured optical fibers (MOFs) show plasmonic properties after deposition of metal nanoparticles on the surface of their capillaries. A method of enhancing the functionality of such fibers by immobilizing...