Laser cooling of a solid by 21 K starting from room temperature

被引：83

作者：

Luo, X ^{[1
]}

Eisaman, MD ^{[1
]}

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 | 1998年 / 23卷 / 08期

关键词：

D O I：

10.1364/OL.23.000639

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A fluorozirconate glass doped with trivalent ytterbium ions has been laser cooled in vacuo from 298 to 277 K by optical pumping of the ions at 1015 nm. The cooling effect arises from anti-Stokes fluorescence of the laser-excited ions and by virtue of the near-unit fluorescence quantum efficiency for Yb3+ in sufficiently pure solid hosts. The sample temperatures in the experiment are determined by measurement of the Yb3+ emission spectrum; the value of the observed temperature change from room temperature as a function of pump wavelength is successfully explained in terms of a simple two-level model that includes the effect of optical saturation. (C) 1998 Optical Society of America.

引用

页码：639 / 641

页数：3

共 7 条

[1] Laser cooling in the condensed phase by frequency up-conversion [J].

Clark, JL ;

Rumbles, G .

PHYSICAL REVIEW LETTERS, 1996, 76 (12) :2037-2040

[2] OBSERVATION OF LASER-INDUCED FLUORESCENT COOLING OF A SOLID [J].

EPSTEIN, RI ;

BUCHWALD, MI ;

EDWARDS, BC ;

GOSNELL, TR ;

MUNGAN, CE .

NATURE, 1995, 377 (6549) :500-503

[3] COMPARISON OF PHYSICAL-PROPERTIES OF ZRF4-BASED AND HFF4-BASED MELTS AND GLASSES [J].

HASZ, WC ;

WHANG, JH ;

MOYNIHAN, CT .

JOURNAL OF NON-CRYSTALLINE SOLIDS, 1993, 161 :127-132

[4] Laser cooling in the condensed phase by frequency up-conversion - Comment [J].

Mungan, CE ;

Gosnell, TR .

PHYSICAL REVIEW LETTERS, 1996, 77 (13) :2840-2840

[5] Internal laser cooling of Yb3+-doped glass measured between 100 and 300 K [J].

Mungan, CE ;

Buchwald, MI ;

Edwards, BC ;

Epstein, RI ;

Gosnell, TR .

APPLIED PHYSICS LETTERS, 1997, 71 (11) :1458-1460

[6] Laser cooling of a solid by 16 K starting from room temperature [J].

Mungan, CE ;

Buchwald, MI ;

Edwards, BC ;

Epstein, RI ;

Gosnell, TR .

PHYSICAL REVIEW LETTERS, 1997, 78 (06) :1030-1033

[7]

ZANDER C, 1995, ADV PHOTOCHEM, V20, P59, DOI DOI 10.1002/9780470133514.CH2/SUMMARY

← 1 →