Demonstration of a solid-state optical cooler: An approach to cryogenic refrigeration

Demonstration of a solid-state optical cooler: An approach to cryogenic refrigeration

We report the successful operation of an optical cooler system. This device achieved 48 °C of cooling from room temperature and a heat lift of 25 mW when it was pumped with 1.6 W of laser light. Its performance as a function of pump laser wavelength and chamber temperature agrees well with theoretic...

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Veröffentlicht in:Journal of Applied Physics 1999-12, Vol.86 (11), p.6489-6493
Hauptverfasser: Edwards, Bradley C., Anderson, Johnny E., Epstein, Richard I., Mills, Gary L., Mord, Allan J.
Format: Artikel
Sprache:eng
Schlagworte:
COOLING
CRYOGENICS
FLUORESCENCE
LASER RADIATION
OPTICAL PUMPING
PHYSICS
REFRIGERATION
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Zusammenfassung:We report the successful operation of an optical cooler system. This device achieved 48 °C of cooling from room temperature and a heat lift of 25 mW when it was pumped with 1.6 W of laser light. Its performance as a function of pump laser wavelength and chamber temperature agrees well with theoretical models. This device validates the physics needed for exploiting the laser cooling of solids to develop practical optical refrigerators.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.371713