MAUREL, Clément; CARDINAL, Thierry; VINATIER, Philippe; PETIT, Laëtitia; RICHARDSON, Kathleen; CARLIE, N.; GUILLEN, François; LAHAYE, Michel; COUZI, Michel; ADAMIETZ, Frédéric; RODRIGUEZ, Vincent; LAGUGNE-LABARTHET, François; NAZABAL, Virginie; ROYON, Arnaud; CANIONI, Lionel

doi:10.1016/j.materresbull.2007.05.032

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MAUREL, Clément
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

CARDINAL, Thierry
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

VINATIER, Philippe
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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Materials Research Bulletin. 2008, vol. 43, n° 5, p. 1179-1187

Elsevier

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Homogeneous amorphous films in the GeS2-GeO2 system have been deposited by a rf sputtering technique. Optical characterizations have shown that the cut-off wavelength and the linear indices increase with an increase in the S/O ratio. Raman spectroscopy indicates the presence of new modes that can be assigned to intermediate germanium oxysulfide structural units. Photo-sensitivity of the oxysulfide films has been demonstrated for irradiation near the band-gap. Diffraction gratings inscribed using 488 nm exposure displayed a limited diffraction efficiency (≤3%) that weakens with a corresponding decrease in the glass S/O ratio.< Leer menos

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Glasses

Thin films

Raman spectroscopy

Optical properties

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Preparation and characterization of germanium oxysulfide glassy films for optics

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