A Continuous-Wave Ho:YAlO3 Laser with Output 8.5W Pumped by a 1.91μm Laser at Room Temperature
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Abstract
A cw high efficient Ho:YAlO3 laser pumped by 1.91μm diode-pumped Tm:YLF laser at room temperature is realized. The maximum output power reaches 8.5W when the incident pump power is 15.6W. The slope efficiency is 63.7%, and the Tm:YLF to Ho:YAP optical conversion efficiency is 54.5%. The laser wavelength is 2118.3nm when the transmission of output coupler is 30%. The beam quality factor is M2~1.39 measured by the traveling knife-edge method.
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YAO Bao-Quan, YANG Xiao-Tao, DUAN Xiao-Ming, WANG Tian-Heng, JU You-Lun, WANG Yue-Zhu. A Continuous-Wave Ho:YAlO3 Laser with Output 8.5W Pumped by a 1.91μm Laser at Room Temperature[J]. Chin. Phys. Lett., 2009, 26(4): 044203. DOI: 10.1088/0256-307X/26/4/044203
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YAO Bao-Quan, YANG Xiao-Tao, DUAN Xiao-Ming, WANG Tian-Heng, JU You-Lun, WANG Yue-Zhu. A Continuous-Wave Ho:YAlO3 Laser with Output 8.5W Pumped by a 1.91μm Laser at Room Temperature[J]. Chin. Phys. Lett., 2009, 26(4): 044203. DOI: 10.1088/0256-307X/26/4/044203
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YAO Bao-Quan, YANG Xiao-Tao, DUAN Xiao-Ming, WANG Tian-Heng, JU You-Lun, WANG Yue-Zhu. A Continuous-Wave Ho:YAlO3 Laser with Output 8.5W Pumped by a 1.91μm Laser at Room Temperature[J]. Chin. Phys. Lett., 2009, 26(4): 044203. DOI: 10.1088/0256-307X/26/4/044203
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YAO Bao-Quan, YANG Xiao-Tao, DUAN Xiao-Ming, WANG Tian-Heng, JU You-Lun, WANG Yue-Zhu. A Continuous-Wave Ho:YAlO3 Laser with Output 8.5W Pumped by a 1.91μm Laser at Room Temperature[J]. Chin. Phys. Lett., 2009, 26(4): 044203. DOI: 10.1088/0256-307X/26/4/044203
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