Feasibility evaluation of intracavity solid state laser cooling to cryogenic temperatures

B. Heeg, Gary Rumbles, M. D. Stone, A. Khizhnyak, P. A. Debarber

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The requirements tor obtaining cryogenic temperatures (i.e. 150 K and below) by anti-Stokes fluorescence cooling are analysed for a dielectric cooling medium located inside the cavity of a diode-pumped solid slate laser. The cooling efficiency is derived in terms of pump beam parameters, intracavily loss associated with the cooling medium, reabsorption and saturation effects in the gain medium, radiative and conductive heat load on the cooling medium, and finally bulk and surface heating effects. Using experimental data for a Yb 3+:ZrF4-BaF2-LaF3-AlF 3-NaF [ZBLAN] cooling medium and a Yb3+:KY(WO4) 2 [KYW] gain medium, the conditions for optimum cooling efficiency are obtained. Based on realistic materials properties, the analysis shows that it is feasible to obtain a cooling efficiency (i.e. cooling power per input diode pump power) of approximately 0.1% at an operating temperature of 150K, with a heat lift up to 30 mW.

Original languageEnglish
Pages (from-to)1109-1120
Number of pages12
JournalJournal of Modern Optics
Volume53
Issue number8
DOIs
Publication statusPublished - May 20 2006

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laser cooling
cryogenic temperature
solid state lasers
cooling
evaluation
diodes
pumps
heat
operating temperature
saturation
fluorescence
requirements
cavities
heating

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Feasibility evaluation of intracavity solid state laser cooling to cryogenic temperatures. / Heeg, B.; Rumbles, Gary; Stone, M. D.; Khizhnyak, A.; Debarber, P. A.

In: Journal of Modern Optics, Vol. 53, No. 8, 20.05.2006, p. 1109-1120.

Research output: Contribution to journalArticle

Heeg, B. ; Rumbles, Gary ; Stone, M. D. ; Khizhnyak, A. ; Debarber, P. A. / Feasibility evaluation of intracavity solid state laser cooling to cryogenic temperatures. In: Journal of Modern Optics. 2006 ; Vol. 53, No. 8. pp. 1109-1120.
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