Abstract

A high-power CW diode-side-pumped Nd:YAP laser with linearly polarization at 1341nm has been described. The laser characteristics including thermal lens and stability of flat–flat resonator were studied. By comparing the output powers at different resonator lengths and different output couplers, the c-axis polarized laser working at 1341nm has been obtained with a maximum output power of 121W at the pumping power of 555W. The optical–optical efficiency is 21.8% and the optical slope efficiency is 40%. The a-axis polarized laser at 1339nm has also been successfully obtained when the c-axis polarized laser had become instable with the increase of pumping power.

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