Influence of fluorescence reabsorption and trapping on solid-state optical cooling

Bauke Heeg; Peter A. DeBarber; Garry Rumbles

doi:10.1364/AO.44.003117

Influence of fluorescence reabsorption and trapping on solid-state optical cooling

Bauke Heeg, Peter A. DeBarber, Garry Rumbles

National Renewable Energy Laboratory

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

We analyze the random process of fluorescence reabsorption and trapping in solid-state optical materials in general and its influence on the efficiency of optical cooling of solids by anti-Stokes fluorescence in particular. Using the absorption and fluorescence spectra of Yb³⁺:ZrF₄-BaF ₂-LaF₃-AlF₃-NaF (ZBLAN) as input data, we employ a random-walk model to test analytical approximations of the fluorescence escape efficiency and cooling efficiency, including reflections at the boundary.

Original language	English
Pages (from-to)	3117-3124
Number of pages	8
Journal	Applied Optics
Volume	44
Issue number	15
DOIs	https://doi.org/10.1364/AO.44.003117
Publication status	Published - May 20 2005

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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