| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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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
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| Cite this article: |
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ZHAI Yue-Yang, FAN Bo, YANG Shi-Feng et al 2013 Chin. Phys. Lett. 30 044209 |
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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.
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Received: 16 January 2013
Published: 28 April 2013
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| PACS: |
42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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