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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+: MgAl2O4 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 μmpassively 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. © 2021 Chinese Optics Letters.
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Chinese Optics Letters
ISSN: 1671-7694
Year: 2021
Issue: 7
Volume: 19
2 . 5 6
JCR@2021
3 . 3 0 0
JCR@2023
ESI HC Threshold:87
JCR Journal Grade:2
CAS Journal Grade:3
Cited Count:
SCOPUS Cited Count: 25
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 0
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