Internal laser cooling of Yb3+-doped glass measured between 100 and 300 K

被引:37
作者
Mungan, CE
Buchwald, MI
Edwards, BC
Epstein, RI
Gosnell, TR
机构
[1] Los Alamos National Laboratory, Los Alamos
[2] Dept. of Physics, University of West Florida, Pensacola
关键词
D O I
10.1063/1.120441
中图分类号
O59 [应用物理学];
学科分类号
摘要
Laser cooling of a solid can occur when it emits photons of higher mean energy than those it absorbs. Photothermal deflection spectra of a fluorozirconate glass (ZBLANP) doped with 1 wt% Yb3+ show cooling in an internal volume of the sample at temperatures between 100 and 300 K. A cooling efficiency of similar to 1% relative to the absorbed laser power at 1015 nm is maintained at all temperatures. The results show promise for solid-state cooling of bulk materials at temperatures below 150 K. (C) 1997 American Institute of Physics.
引用
收藏
页码:1458 / 1460
页数:3
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