End-pumped by a 976 nm diode laser,a high-repetition-rate Er:Yb:YAl3(BO3)4 microchip laser passively Q-switched by a Co2+:MgAl2 O4 crystal is reported.At a quasi-continuous-wave pump power of 20 W,a 1553 nm passively ...End-pumped by a 976 nm diode laser,a high-repetition-rate Er:Yb:YAl3(BO3)4 microchip laser passively Q-switched by a Co2+:MgAl2 O4 crystal is reported.At a quasi-continuous-wave pump power of 20 W,a 1553 nm passively Q-switched laser with the repetition rate of 544 kHz,pulse duration of 8.3 ns,and pulse energy of 3.9 μJ was obtained.To the best of our knowledge,the 544 kHz is the highest reported value for the 1.5 μm passively Q-switched pulse laser.In the continuous-wave pumping experiment,the maximum repetition rate of 144 kHz with the pulse duration of 8.0 ns and pulse energy of 1.7 μJ was obtained at the incident pump power of 6.3 W.展开更多
By combining the thermally-induced spectral broadening of Er^(3+)/Yb^(3+)co-doped crystal and the high ratio of cavity gain to loss,a high-power broadband continuously tunable 1.5-1.6μm laser was successfully demonst...By combining the thermally-induced spectral broadening of Er^(3+)/Yb^(3+)co-doped crystal and the high ratio of cavity gain to loss,a high-power broadband continuously tunable 1.5-1.6μm laser was successfully demonstrated in an Er:Yb:YAl_(3)(BO_(3))_(4)crystal.End-pumped by a continuous-wave 975.6 nm laser diode,three discrete tunable laser bands at 1483–1488,1495–1503,and 1521–1612 nm were realized at an incident pump power of 7.7 W.The maximum continuously tunable bandwidth was 91 nm at 1521–1612 nm,and the maximum output power was 474 m W at 1551 nm.The output power was generally higher than100 m W in the whole tunable range.展开更多
基金supported by the National Natural Science Foundation of China (Nos.61875199 and 61975208)Strategic Priority Research Program of the Chinese Academy of Sciences (No.XDB20000000)Science and Technology Service Network Initiative of the Chinese Academy of Sciences (No.KFJ-STS-QYZX-069)。
文摘End-pumped by a 976 nm diode laser,a high-repetition-rate Er:Yb:YAl3(BO3)4 microchip laser passively Q-switched by a Co2+:MgAl2 O4 crystal is reported.At a quasi-continuous-wave pump power of 20 W,a 1553 nm passively Q-switched laser with the repetition rate of 544 kHz,pulse duration of 8.3 ns,and pulse energy of 3.9 μJ was obtained.To the best of our knowledge,the 544 kHz is the highest reported value for the 1.5 μm passively Q-switched pulse laser.In the continuous-wave pumping experiment,the maximum repetition rate of 144 kHz with the pulse duration of 8.0 ns and pulse energy of 1.7 μJ was obtained at the incident pump power of 6.3 W.
基金the National Key Research and Development Program of China(No.2021YFB3601504)the National Natural Science Foundation of China(No.52272010)+1 种基金the Natural Science Foundation of Fujian Province(No.2023J02027)the Scientific Instrument Developing Project of the Chinese Academy of Sciences(No.YZLY202001)。
文摘By combining the thermally-induced spectral broadening of Er^(3+)/Yb^(3+)co-doped crystal and the high ratio of cavity gain to loss,a high-power broadband continuously tunable 1.5-1.6μm laser was successfully demonstrated in an Er:Yb:YAl_(3)(BO_(3))_(4)crystal.End-pumped by a continuous-wave 975.6 nm laser diode,three discrete tunable laser bands at 1483–1488,1495–1503,and 1521–1612 nm were realized at an incident pump power of 7.7 W.The maximum continuously tunable bandwidth was 91 nm at 1521–1612 nm,and the maximum output power was 474 m W at 1551 nm.The output power was generally higher than100 m W in the whole tunable range.