Diode-pumped Q-switched Tm:YAP laser with a pump recycling scheme

Yao, Baoquan; Cai, Yang; Duan, Xiaoming; Zheng, Lihe; Ju, Youlun; Wang, Y. Z.; Zhao, Guangjun; Zong, Yanhua; Xu, Jianqiu

doi:10.1134/s1054660x08100034

Cited by 9 publications

(3 citation statements)

References 15 publications

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“…In experiment, Tm, Ho-doped LuAG laser has achieved higher laser efficiency at 2 μm than the YAG or YLF laser [4][5][6][7]. When Ho:LuAG crystal is pumped with the 1.9-μm Tm:YLF laser, the laser wavelength is near 2.1 μm, providing a quantum defect less than 10%.…”

Section: Introductionmentioning

confidence: 94%

“…Compared with the crystal YAG, the garnet isostructure Lutetium Aluminum Garnet (Lu 3 Al 5 O 12 , LuAG) has a higher crystal field [3], leading to large manifold splitting and low thermal occupation for the lower laser level. In experiment, Tm, Ho-doped LuAG laser has achieved higher laser efficiency at 2 µm than the YAG or YLF laser [4][5][6][7]. When Ho:LuAG crystal is pumped with the 1.9-µm Tm:YLF laser, the laser wavelength is near 2.1 µm, providing a quantum defect less than 10%.…”

Section: Introductionmentioning

confidence: 97%

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High-power gain-switched Ho:LuAG rod laser

Tang

Wang

et al. 2010

Laser Phys. Lett.

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Resonantly gain-switched by a 1.9-μm Tm:YLF crystal laser, over 11 W ∼ 2.1-μm laser output has been achieved from a Ho:LuAG rod laser with a slop efficiency of 83% with respect to absorbed pump power. The high quantum efficiency (∼ 92%) was attributed to the compact cavity configuration, excellent mode overlap between the pump and laser beam, and efficient crystal cooling. Near the highest output level, the laser wavelength was centered at 2130 and 2101 nm, with the T = 8% and T = 20% output couplers, respectively. At 10-W power level, the laser beam quality was measured to be M 2 ∼ 1.02. The narrowest pulse width achieved was 20 ns and maximum pulse energy was over 4 mJ (2 kHz). Laser spectra of the Ho:LuAG crystal laser with the T = 8% and T = 20% output couplings near the maximum output levels

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Section: Introductionmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 97%

High-power gain-switched Ho:LuAG rod laser

Tang

Wang

et al. 2010

Laser Phys. Lett.

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show abstract

“…However, there is little report on singly Ho-doped GdVO 4 lasers. In 2007, using a Tm:YAP laser as a pump source, output power of greater than 0.2 W at 2.05 μm was achieved with a slope efficiency of 9% from a continuous wave (CW) Ho:GdVO 4 laser operated at room temperature [11]. At the temperature of 280 K, a Ho:GdVO 4 laser with output power of 2.03 W was reported [12].…”

Section: Introductionmentioning

confidence: 99%