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Proceedings Paper

Spectroscopic and thermal study of Er-doped oxysulfide crystal powders
Author(s): Joaquín Fernández; Rolindes Balda; Macarena Barredo-Zuriarrain; Odile Merdrignac; Noha Hakmeh; Sara García-Revilla; M. Angeles Arriandiaga
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Paper Abstract

The present investigation explores the upconversion properties of Er3+- doped La2O2S crystal powder as well as its potentiality for anti-Stokes cooling. A detailed study of the wavelength and pumping power dependence of the spectroscopic properties and of the temperature field of samples with various erbium concentrations is presented. The analysis of both spectroscopic and thermal measurements shows that after a transient heating induced by the background absorption, cooling can be attained by means of anti-Stokes processes.

Paper Details

Date Published: 10 March 2015
PDF: 10 pages
Proc. SPIE 9380, Laser Refrigeration of Solids VIII, 93800A (10 March 2015); doi: 10.1117/12.2076963
Show Author Affiliations
Joaquín Fernández, Univ. del País Vasco (Spain)
Donostia International Physics Ctr. (Spain)
Rolindes Balda, Univ. del País Vasco (Spain)
Donostia International Physics Ctr. (Spain)
Macarena Barredo-Zuriarrain, Univ. del País Vasco (Spain)
Odile Merdrignac, Univ. de Rennes 1 (France)
Noha Hakmeh, Lab. Verres et Céramiques, CNRS, Univ. de Rennes 1 (France)
Sara García-Revilla, Univ. del País Vasco (Spain)
Donostia International Physics Ctr. (Spain)
M. Angeles Arriandiaga, Univ. del País Vasco (Spain)

Published in SPIE Proceedings Vol. 9380:
Laser Refrigeration of Solids VIII
Richard I. Epstein; Denis V. Seletskiy; Mansoor Sheik-Bahae, Editor(s)

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