Abstract
An eye-safe Raman laser is realized with BaTeMo2O9 (BTM) nonlinear crystal for the first time. By using a diode-end-pumped acousto-optically Q-switched Nd:YVO4 laser as the pumping source, the BTM crystal converts the fundamental laser at 1,342 nm to first-Stokes laser at 1,531 nm successfully. With an incident power of 10.8 W and a pulse repetition rate of 25 kHz, the average output power at 1,531 nm is obtained to be 0.83 W, corresponding to a diode-to-Stokes conversion efficiency of 7.7 %. The pulse width is 11 ns, and the peak power is 3.0 kW.
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This work was supported by the National Natural Science Foundation of China (No. 60908010), Special Grade of China Postdoctoral Science Foundation (No. 201003632), and Independent Innovation Foundation of Shandong University, IIFSDU (No. 2009JC003).
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Bai, F., Wang, Q., Tao, X. et al. Eye-safe Raman laser based on BaTeMo2O9 crystal. Appl. Phys. B 116, 501–505 (2014). https://doi.org/10.1007/s00340-013-5726-5
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DOI: https://doi.org/10.1007/s00340-013-5726-5