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Optical Engineering

Laser cooling of 5 mol. % Yb3+ : LuLiF4 crystal in air
Author(s): Biao Zhong; Hao Luo; Yanling Shi; Jianping Yin
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Paper Abstract

We report the laser cooling performance of 5 mol. % Yb3+:LuLiF4 crystal in air. Both end faces of the crystal with a size of 3×3×5  mm3 are cut by Brewster angles. A temperature drop of 11 K (from room temperature) of the sample, pumped by a 3-W/1020-nm CW fiber laser, is observed by a thermal camera. The cooling power and efficiency of the sample are estimated to be ∼14.5  mW and ∼1.9%, respectively. Our experiment results show the prospect of this crystal with laser cooling and its potential applications in earth-based optical refrigeration devices.

Paper Details

Date Published: 30 August 2016
PDF: 3 pages
Opt. Eng. 56(1) 011102 doi: 10.1117/1.OE.56.1.011102
Published in: Optical Engineering Volume 56, Issue 1
Show Author Affiliations
Biao Zhong, East China Normal Univ. (China)
Hao Luo, East China Normal Univ. (China)
Yanling Shi, East China Normal Univ. (China)
Jianping Yin, East China Normal Univ. (China)

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