Upconversion cooling of Er-doped low-phonon fluorescent solids

Angel J. Garcia-Adeva, Rolindes Balda, and Joaquin Fernandez
Phys. Rev. B 79, 033110 – Published 28 January 2009

Abstract

We report on a mechanism for laser cooling of fluorescent solids based on infrared-to-visible upconversion often found in rare-earth-doped low-phonon materials. This type of optical cooling presents some advantages with regard to conventional anti-Stokes cooling. Among them, it allows us to obtain cooling in a broader range of frequencies around the barycenter of the infrared emitting band.

  • Figure
  • Received 4 August 2008

DOI:https://doi.org/10.1103/PhysRevB.79.033110

©2009 American Physical Society

Authors & Affiliations

Angel J. Garcia-Adeva*, Rolindes Balda, and Joaquin Fernandez

  • Departamento de Fisica Aplicada I, E.T.S. Ingenieria de Bilbao, Universidad del Pais Vasco, Alda. Urquijo s/n, 48013 Bilbao, Spain

  • *angel.garcia-adeva@ehu.es

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Issue

Vol. 79, Iss. 3 — 15 January 2009

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