Abstract
A high power Ho:YAP laser in-band pumped by a home-constructed Tm doped all fiber master oscillator power amplifier (MOPA) is reported. The optically polished and uncoated Ho:YAP laser yielded over 107 W of output power at ∼2117.1 nm with 215.4 W of absorbed pump power, corresponding to a slope efficiency of 50.6% with respect to the absorbed pump power. The beam quality M2 parameter was measured at 80 W of output power to be ∼3.2 and ∼2.6 in x- and y-directions, respectively.
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Tang, J., Li, E., Wang, F., Yao, W., Shen, C., & Shen, D. (2020). High Power Ho:YAP Laser with 107 W of Output Power at 2117 nm. IEEE Photonics Journal, 12(2). https://doi.org/10.1109/JPHOT.2020.2968745
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