Optical cooling of Nd-doped solids

Angel J. Garcia-Adeva; Rolindes Balda; Mohammed Al Saleh; Sara Garcia-Revilla; Daniel Sola; Joaquín Fernández

doi:10.1117/12.907837

7 February 2012 Optical cooling of Nd-doped solids

Angel J. Garcia-Adeva, Rolindes Balda, Mohammed Al Saleh, Sara Garcia-Revilla, Daniel Sola, Joaquín Fernández

Proceedings Volume 8275, Laser Refrigeration of Solids V; 827502 (2012) https://doi.org/10.1117/12.907837
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

In this work we present a comprehensive review of recent work carried out by our group in the field of optical refrigeration of Nd-doped solids. Several infrared thermography measurements in Nd-doped KPb₂Cl₅ crystals and micro-powders both above and below the barycentre of the ⁴F_3/2 are presented. These include some of our most recent ones obtained by employing a novel technique that allows one to perform differential temperature measurements. The role of both the direct anti-Stokes absorption processes and those assisted by either excited state absorption or energy transfer upconversion in the cooling process is discussed.

Citation Download Citation

Angel J. Garcia-Adeva, Rolindes Balda, Mohammed Al Saleh, Sara Garcia-Revilla, Daniel Sola, and Joaquín Fernández "Optical cooling of Nd-doped solids", Proc. SPIE 8275, Laser Refrigeration of Solids V, 827502 (7 February 2012); https://doi.org/10.1117/12.907837

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