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APS » Journals » Phys. Rev. Lett. » Volume 40 » Issue 25
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Phys. Rev. Lett. 40, 1639–1642 (1978)

Radiation-Pressure Cooling of Bound Resonant Absorbers

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D. J. Wineland, R. E. Drullinger, and F. L. Walls
Time and Frequency Division, National Bureau of Standards, Boulder, Colorado 80303

Received 26 April 1978; published in the issue dated 19 June 1978

See accompanying Physics Focus

We report the first observation of radiation-pressure cooling on a system of resonant absorbers which are elastically bound to a laboratory fixed apparatus. Mg ii ions confined in a Penning electromagnetic trap are cooled to <40 K by irradiating them with the 8-μW output of a frequency doubled, single- mode dye laser tuned to the low- frequency side of the Doppler profile on the 2S1/2↔2P3/2 (MJ=+1/2↔MJ=+3/2 or MJ=-1/2↔MJ=-3/2) transitions. Cooling to approximately 10-3 K should be possible.

© 1978 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.40.1639
DOI:
10.1103/PhysRevLett.40.1639
PACS:
 
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