Home > Archive>Volume 12, Issue 3, 2016 >173-177. DOI:10.1007/s11801-016-6050-1
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Multifunctional radio-frequency generator for cold atom experiments
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1. Department of Instrument Science and Technology, College of Mechatronic Engineering and Automation, National University of Defense Technology, Changsha 410073, China;;2. Interdisciplinary Center for Quantum Information, National University of Defense Technology, Changsha 410073, China

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    Abstract:

    We present a low cost radio-frequency (RF) generator suitable for experiments with cold atoms. The RF source achieves a sub-hertz frequency with tunable resolution from 0 MHz to 400 MHz and a maximum output power of 33 dBm. Based on a direct digital synthesizer (DDS) chip, we implement a ramping capability for frequency, amplitude and phase. The system can also operate as an arbitrary waveform generator. By measuring the stability in a duration of 600 s, we find the presented device performs comparably as Agilent33522A in terms of short-term stability. Due to its excellent performance, the RF generator has been already applied to cold atom trapping experiments.

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WEI Chun-hua, YAN Shu-hua. Multifunctional radio-frequency generator for cold atom experiments[J]. Optoelectronics Letters,2016,12(3):173-177

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History
  • Received:March 05,2016
  • Online: April 29,2016
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