New materials for optical cooling

被引：124

作者：

Bowman, SR ^{[1
]}

Mungan, CE

机构：

[1] USN, Res Lab, Photon Technol Branch, Washington, DC 20375 USA

[2] USN Acad, Dept Phys, Annapolis, MD 21402 USA

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2000年 / 71卷 / 06期

关键词：

D O I：

10.1007/s003400000416

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Well-characterized solid-state laser materials are evaluated for performance in optical refrigeration as well as radiation-balanced laser systems. New figures-of-merit are developed and applied to ytterbium-doped materials. Superior performance is predicted for high-cross-section tungstate materials. Photothermal deflection experiments on samples of Yb3+-doped KGd(WO4)(2) confirm anti-Stokes fluorescence cooling. This is the first observation of optical cooling in a crystal.

引用

页码：807 / 811

页数：5

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