Concept

Cavity ring-down spectroscopy

Related publications (149)

Mid infrared resonant cavity detectors and lasers with epitaxial lead-chalcogenides

Wavelength tunable emitters and detectors in the mid-IR wavelength region allow applications including thermal imaging and gas spectroscopy. One way to realize such tunable devices is by using a resonant cavity. By mechanically changing the cavity length w ...

2010

Characterization of light absorption and light scattering properties of particulate samples using temporally and spatially resolved diffuse reflectance measurements

Julien Léo Billeter

The Gemperline research group is currently working on a research project to characterize chemical batch reactions in slurry mixtures with light scattering properties. One of our primary goals is to determine light absorption and light scattering properties ...

2010

Chemosensors Based on Metal-Dye Complexes for Bioanalytes

Friederike Gundula Marie Zaubitzer

Multicomponent chemosensors were prepared by mixing the rhodium(III) complex [(η5-C5Me5)RhCl 2]2, nickel(II) chloride and/or copper(II) chloride with commercially available dyes in buffered aqueous solution. The sensors were used to detect various biomolec ...

EPFL2010

Photoelectric conversion devices comprising novel ligands and sensitizers

Michael Graetzel, Mohammad Khaja Nazeeruddin

The present invention provides novel dyes for dye sensitized photovoltaic conversion devices. The dyes contain novel anchoring ligands, which have a vinyl or phenylethenyl moiety incorporated in the anchoring bipyridine. Such dyes exhibit an increased mola ...

2010

Analysis of transient mechanical loss due to thermal stresses in metal matrix composites

Daniele Mari, Robert Schaller, Abu Salek Md. Fahim Chowdhury

Mechanical spectroscopy has been used to study the thermal stress relaxation at the interfaces in magnesium matrix composites. The mechanical loss spectra measured as a function of temperature show an intrinsic component superimposed on transient damping. ...

2009

High-temperature mechanical loss and creep behavior of fine-grained zirconia-containing nano-sized reinforcements

Robert Schaller, Claudia Ionascu

Polycrystalline zirconia (3Y-TZP grade) specimens unreinforced and reinforced with multiwalled carbon nanotubes (MWCNTs) or silicon carbide whiskers (SiCws) were processed by powder metallurgy and studied by mechanical spectroscopy. The high-temperature me ...

2009

Non-intrusive plasma diagnostics for the deposition of large area thin film silicon

Christoph Hollenstein, Alan Howling, Benjamin Strahm

Plasma diagnostics for large area, industrial RF parallel-plate reactors can be useful for process optimization and monitoring, provided that their implementation is practical and non-intrusive. For instance, Fourier transform infrared (FTIR) absorption sp ...

Elsevier2009

Propriétés optiques de petits agrégats de métaux nobles en matrice de néon

Sylvain Lecoultre

The optical properties of small noble metal clusters have been studied by absorption and fluorescence for sizes between 1 and 10 atoms. The experimental technique consists in depositing size-selected clusters in a neon matrix and analyzing with a spectrome ...

EPFL2009

Mechanical spectroscopy in carbon nanotube reinforced ABS

Daniele Mari, Robert Schaller

Mechanical spectroscopy has been used to qualify possible improvements of the mechanical properties of acrylonitrile-butadiene-styrene-carbon nanotubes (ABS-CNTs) composites. The properties of ABS matrix are first investigated. Two relaxations that mark th ...

2009

Experimental verification of the effect of slow light on molecular absorption

Luc Thévenaz, Sang Hoon Chin, Isabelle Dicaire, Stella Foaleng Mafang

The absorption of light by a gas molecule has been measured comparatively using light propagating in normal conditions and in a slow light regime. The experiment is designed to make the 2 measurements possible without modifying the interaction conditions, ...

SPIE2009

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