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Research on Intracavity Laser Cooling of Solid |
| JIA You-Hua1;ZHONG Biao1; JI Xian-Ming1,2;YIN Jian-Ping1 |
| 1State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 2000622College of Science, Nantong University, Nantong 226007 |
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| Cite this article: |
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JIA You-Hua, ZHONG Biao, JI Xian-Ming et al 2008 Chin. Phys. Lett. 25 85-88 |
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Abstract A theoretical study of intra-cavity laser cooling by anti-Stokes luminescence in a rare-earth doped glass is performed. Compared with cooling in an external cavity by multipassing the radiation, intra-cavity cooling has the advantage of
high pumping power and high-absorbed power. However, one must ensure
that the cavity can still form a laser by locating the material in the cavity. A model is developed to evaluate the enhancement factor and the absorbed power. The results show that for a low optical density, especially when the sample length is less than 2mm, the intracavity configuration is a very efficient method for laser cooling. The diode laser, which may become the best candidate for our model, is briefly discussed.
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| Keywords:
32.80.Pj
78.20.Bh
42.55.Px
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Received: 15 October 2007
Published: 27 December 2007
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