7.25 W LD side-pumped Er:YGG CW laser operated at 2.8 μm

Quan, Cong; Sun, Dunlu; Zhang, Huili; Luo, Jianqiao; Zhang, Peixiong; Qiao, Yang; Dong, Kunpeng; Chen, Yuwei; Wang, Zhentao; Li, Hongyuan; Cheng, Maojie; Zhang, Qingli

doi:10.1007/s00340-023-08120-w

Appl. Phys. B

2023

DOI: 10.1007/s00340-023-08120-w

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7.25 W LD side-pumped Er:YGG CW laser operated at 2.8 μm

Cong Quan,

Dunlu Sun,

Huili Zhang

et al.

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2024

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28.02 W LD side-pumped CW laser operated at 2.8 µm in YSGG/Er:YSGG/YSGG crystal

Zhang,

Sun,

Luo

et al. 2024

Opt. Express

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We demonstrated a 978 nm laser diode (LD) side-pumped YSGG/Er:YSGG/YSGG composite crystal with a size of Ф 3 mm × 65 mm and continuous-wave (CW) mode. By optimizing resonator length and output mirror transmittance, a maximum output power of 28.02 W is generated, corresponding to slope efficiency of 17.55% and optical-optical efficiency of 12.29%, respectively. The thermal focal lengths are obtained by resonator stability condition. The laser wavelength is centered near 2.8 µm. Moreover, the beam quality factors M x 2/M y 2 are fitted to be 8.14 and 7.35, respectively. The above results indicate that a high-performance 2.8 µm CW laser can be achieved by LD side-pumped YSGG/Er:YSGG/YSGG composite crystal with excellent heat dissipation ability, which promotes effectively the development and applications of the mid-infrared solid-state lasers.

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28.02 W LD side-pumped CW laser operated at 2.8 µm in YSGG/Er:YSGG/YSGG crystal

Zhang,

Sun,

Luo

et al. 2024

Opt. Express

View full text Add to dashboard Cite

show abstract

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7.25 W LD side-pumped Er:YGG CW laser operated at 2.8 μm

Cited by 1 publication

References 25 publications

28.02 W LD side-pumped CW laser operated at 2.8 µm in YSGG/Er:YSGG/YSGG crystal

28.02 W LD side-pumped CW laser operated at 2.8 µm in YSGG/Er:YSGG/YSGG crystal

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