| The application of sample-and-hold circuits in the laser frequency-shifting |
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| 作者姓名： | 周蜀渝 周善钰 王育竹 |
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| 作者单位： | Laboratory for Quantum Optics，Shanghai Institute of Optics and Fine Mechanics，Center for Cold Atom Physics，Chinese Academy of Sciences，Shanghai 201800，Laboratory for Quantum Optics，Shanghai Institute of Optics and Fine Mechanics，Center for Cold Atom Physics，Chinese Academy of Sciences，Shanghai 201800，Laboratory for Quantum Optics，Shanghai Institute of Optics and Fine Mechanics，Center for Cold Atom Physics，Chinese Academy of Sciences，Shanghai 201800 |
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| 基金项目： | This work was supported by the NationalNatural Science Foundation of China (No. 10334050) the National Fundamental Research Program (No.2001CB309307). |
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| 摘 要： | Lasers with stable frequencies are essential in manyfields of research[1-4] such as in laser cooling andtrapping atoms[5] and Bose-Einstein condensationexperiments[6,7]. It is required that the line width oflasers is less than 1 MHz and does not have long-termdrift. Yet on some occasions, it is often necessary torapidly shift the frequencies of cooling beams from thedetuning -2Γ - 3Γ to -6Γ - 8Γ (Γ is the natural widthof the atom) to lower the temperature[8,9]. Normally, wehave two mean…
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