A Tunable Blue Light Source with Narrow Linewidth for Cold Atom Experiments
ZHAI Yue-Yang, FAN Bo, YANG Shi-Feng, ZHANG Yin, QI Xiang-Hui, ZHOU Xiao-Ji** , CHEN Xu-Zong**
School of Electronics Engineering and Computer Science, Peking University, Beijing 100871
Abstract ：We present a 397-nm frequency-doubling system with a quasi-phase-matched KTP crystal (PPKTP) which features tunable, narrow linewidth, high power, and excellent mechanical stability. Using 20-mm and 30-mm-long PPKTP crystals, we establish two experimental setups based on different external cavity parameters. By testing the beat signal of these two lasers, the linewidth for the system is measured to be less than 2.5 MHz. The maximum power of blue light can be achieved up to 40 mW. With these performance characteristics, the constructed blue laser system is useful for applications in cold atom physics and precision measurements.
收稿日期: 2013-01-16
出版日期: 2013-04-28
:
42.65.Ky
(Frequency conversion; harmonic generation, including higher-order harmonic generation)
引用本文:
. [J]. 中国物理快报, 2013, 30(4): 44209-044209.
链接本文:
https://cpl.iphy.ac.cn/CN/10.1088/0256-307X/30/4/044209
或
https://cpl.iphy.ac.cn/CN/Y2013/V30/I4/44209
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2013, Vol. 30 
