Photoluminescence of some chalcogenide glasses doped with rare-earth ions

Yovu M.; Lupan Elena; Zavadil Jiří; Kostka Petr; Ivanova Zoya; Seddon Angela B.; Furniss D.

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YOVU, M., LUPAN, Elena, ZAVADIL, Jiří, KOSTKA, Petr, IVANOVA, Zoya, SEDDON, Angela B., FURNISS, D.. Photoluminescence of some chalcogenide glasses doped with rare-earth ions. In: Proceedings of SPIE - The International Society for Optical Engineering, Ed. 7, 21-24 august 2014, Constanța. Bellingham, Washington: SPIE, 2015, Ediţia 7, Vol.9258, pp. 1-7. ISBN 978-162841325-0. ISSN 0277786X. DOI: https://doi.org/10.1117/12.2068290

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Proceedings of SPIE - The International Society for Optical Engineering
Ediţia 7, Vol.9258, 2015

Conferința "Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies"
7, Constanța, Romania, 21-24 august 2014

Photoluminescence of some chalcogenide glasses doped with rare-earth ions

DOI:https://doi.org/10.1117/12.2068290

Pag. 1-7

Yovu M.¹, Lupan Elena¹, Zavadil Jiří², Kostka Petr³, Ivanova Zoya⁴, Seddon Angela B.⁵, Furniss D.⁵

¹ Institute of Applied Physics, Academy of Sciences of Moldova,
² Institute of Photonics and Electronics, ASCR,
³ Institute of Rock Structure and Mechanics, ASCR,
⁴ Institute of Solid State Physics, Bulgarian Academy of Sciences,
⁵ University of Nottingham

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Menționat în lucrare: 11.817.05.03A Materiale semiconductoare halcogenice, compuşi metaloorganici şi magneţi moleculari pentru medii de înregistrare, senzori, aplicaţii optoelectronice şi fotovoltaice

Disponibil în IBN: 28 noiembrie 2023

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The absorption and emission spectra of Ga-La-S:O doped with Pr³⁺, and Ga-Ge-As-S chalcogenide glasses doped with Pr³⁺, Dy³⁺, Nd³⁺, Sm³⁺ and Ho³⁺ were experimentally investigated at room temperature and at T=4 K. Photoluminescence spectra were measured at low temperature (T=4 K) at excitation by He-Ne (λ=632.8 nm line) and Ar ion (INNOVA 306, λ=514.5 nm line) lasers working in CW regime, in order to observe simultaneously the narrow 4f-4f emission from rare-earth ions and the broad band luminescence of the host glass. In the transmission spectra of rare-earth doped glasses differs from that of the base glass. The major feature in low-temperature of photoluminescence spectra (PL) is the presence of the broad band luminescence of the host glass and relatively sharp 4f-4f radiative transitions due to the presence of rare-earth (RE³⁺) ions, that gives the direct evidence of the energy transfer between the host glass and respective RE³⁺ dopants.

Cuvinte-cheie
chalcogenide glasses, Energy transfer mechanism, photoluminescence, Rare-earth ions

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