INOE 2000 - Optical and structural investigations on CdSSe-doped aluminophosphate glasses

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We are the National R&D Institute for Optoelectronics.

The Institute comprises six research departments, two certified test laboratories and two legal subsidiaries: the Institute of Analytical Instrumentation Research - ICIA (http://www.icia.ro) and the Hydraulics and Pneumatics Research Institute – IHP ( http://www.ihp.ro)..

What we do

The Institute develops fundamental and applicative research in optoelectronics, analytical chemistry and mechanical engineering, aligning itself to the vital scientific directions of the European Research Area.

What we offer

INOE is committed to moving forward, to reshape the multi‐disciplinary approach into a crossdisciplinary research, targeting more closely the optoelectronics domain, taking a step forward in the physical engineering field of optoelectronics.

An important effort is continuously dedicated for keeping up the cohesion in the research activity by creating and sustaining a regional knowledge network.

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M.Elisa, C. Vasiliu, C. Grigorescu, J.Striber, D.Radu, J.H.Trodahl, M.Dalley, Optical and structural investigations on CdSSe-doped aluminophosphate glasses, J. Opt. Adv. Mat., 8/2 (2006) 810 – 813

Title: Optical and structural investigations on CdSSe-doped aluminophosphate glasses

Abstract: Aluminophosphate glasses belonging to the oxide system Li2O-BaO-Al2O3-La2O3-P2O5 un-doped and doped with rare-earth metal ions (Ce4+, Nd3+, Sm3+) were obtained by a wet non-conventional method. The influence of the doping ions on the optical properties of the phosphate glasses has been investigated in relation with structural features of the vitreous matrix. The optical behavior has been studied by ultra-violet-visible-near-infra-red (UV-V1S-NIR) spectroscopy, revealing electronic transitions specific for rare-earth ions. Structural information via optical phonons was provided by infrared (IR) absorption spectra in the range 400-4000 cm(-1). Raman and fluorescence spectroscopy measurements have been performed. A strong fluorescence was observed in the visible spectrum, using 514.5 nm and 633 nm laser excitation..

Key words: phosphate glasses; rare-earth ions; Raman spectra; luminescence

Research units and subsidiaries

The Institute comprises six research departments and two branches.

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Subsidiaries

RADO

Departamentul Remote Sensing (RADO)

Cercetare si dezvoltare tehnologica pentru obtinerea si gestionarea informatiilor despre mediu
ITC

Departamentul Inginerie Tehnologica si Constructiva, Laseri si Comunicatii prin Fibre Optice (ITC)

Constructia si integrarea laserilor si echipamentelor optice pentru imbunatatirea claitatii vietii in toate formele ei
CERTO

Departamentul Metode si Tehnici Optoelectronice de Reabilitare si Conservare a Patrimoniului Cultural (CERTO)

Cercetare si tehnici avansate de monitorizare conservare si restaurare a operelor de arta
RECAST

Departamentul Sisteme si tehnologii bazate pe plasma si vid pentru noi materiale avansate nanostructurate (RECAST)

Cercetari in sfera tratarii suprafetelo cu plasma si ioni si a tehnologiilor tip ultrahigh vacuum (UHV)
OPTOSPINTRONICA

Departamentul Optospintronica
OMBA

Colectiv Metode Optoelectronice cu Aplicatii Biomedicale (OMBA)
IHP

Institutul de Cercetare pentru hidraulica si pneumatica Bucuresti (IHP)
ICIA

Institutul de Cercetări pentru Instrumentație Analitică (ICIA)