Laser cooling of a solid by 65 K starting from room temperature

被引：134

作者：

Gosnell, TR ^{[1
]}

机构：

[1] Univ Calif Los Alamos Natl Lab, Condensed Matter & Thermal Phys Grp, Los Alamos, NM 87545 USA

来源：

OPTICS LETTERS | 1999年 / 24卷 / 15期

关键词：

D O I：

10.1364/OL.24.001041

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In vacuo laser cooling of a solid from 301 to 236 R has been demonstrated. The sample consists of a cladded, multimode optical fiber fabricated from the fluorozirconate glass ZBLANP; the fiber's waveguiding core is doped with 1 wt. % Yb3+ ions. Cooling of the host glass results hom anti-Stokes fluorescence of Yb3+ following optical pumping in the long-wavelength tail of the ion's absorption spectrum (lambda = 1015 nm). Measurement of the time constant for equilibration of the sample temperature is in excellent agreement with an analytic calculation of this quantity. (C) 1999 Optical Society of America.

引用

页码：1041 / 1043

页数：3

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