Abstract
We report in this work a continuous wave (CW) narrowband 589 nm light generation for the purpose of laser guide assisted adaptive optics. A 39 mm long 1 mm thick periodically poled near stoichiometric LiTaO3 crystal with duty cycle near 50% was fabricated using electrical poling at room temperature and pumped by a Raman fiber amplifier. We tested two temperature control ovens, and a maximum conversion efficiency of about 14.3%, corresponding to 4 W of yellow light with 28 W of fundamental power, and bandwidth less than 0.18 GHz was achieved.
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Yuan, Y., Zhang, L., Liu, Y. et al. Sodium guide star laser generation by single-pass frequency doubling in a periodically poled near-stoichiometric LiTaO3 crystal. Sci. China Technol. Sci. 56, 125–128 (2013). https://doi.org/10.1007/s11431-012-5014-3
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DOI: https://doi.org/10.1007/s11431-012-5014-3