Spectral properties and laser performance of Nd:Lu3Al5O12 ceramic

Shuqi Qiao; Yang Zhang; Xiangchun Shi; Benxue Jiang; Long Zhang; Xiaojin Cheng; Lei Li; Jianlei Wang; Luo Gui

doi:10.3788/COL201513.051602

Chinese Optics Letters, Volume. 13, Issue 5, 051602(2015)

Spectral properties and laser performance of Nd:Lu₃Al₅O₁₂ ceramic

Shuqi Qiao¹, Yang Zhang², Xiangchun Shi^1、*, Benxue Jiang^2、**, Long Zhang², Xiaojin Cheng¹, Lei Li¹, Jianlei Wang¹, and Luo Gui¹

Author Affiliations

¹Key Laboratory of Space Laser Communication and Detection Technology, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

²Key Laboratory of High Power Laser Materials, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

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Figures & Tables(9)

Fig. 1. Spectra of Nd:LuAG ceramic at room temperature; (a) absorption; (b) emission.

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Fig. 2. Fluorescence decay curve of the F3/24 multiplet in Nd:LuAG and Nd:YAG ceramics.

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Fig. 3. Optical schematic of the laser system.

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Fig. 4. Nd:LuAG ceramic CW laser output power versus absorbed pump power with different output transmissions.

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Fig. 5. (a) Pulse energy and pulse duration versus absorbed pump energy; (b) oscillogram of single pulse in Q-switching operation at maximum energy output.

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Fig. 6. Pulse energy versus absorbed pump energy.

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Fig. 7. Laser spectrum of Nd:LuAG ceramic.

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Fig. 8. Spatial distribution of the laser beam in near-field.

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Table 1. F43/2 Level of Nd:LuAG
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Table 1. F43/2 Level of Nd:LuAG
Transition from ${}^{4}{F_{3 / 2}}$ $λ$ (nm) $β$ (%) $T_{r}$ (μs)
${}^{4}{I_{9 / 2}}$ 890 33.87 303
${}^{4}{I_{11 / 2}}$ 1066 53.72
${}^{4}{I_{13 / 2}}$ 1339 11.85
${}^{4}{I_{15 / 2}}$ 1880 0.56

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Shuqi Qiao, Yang Zhang, Xiangchun Shi, Benxue Jiang, Long Zhang, Xiaojin Cheng, Lei Li, Jianlei Wang, Luo Gui, "Spectral properties and laser performance of Nd:Lu₃Al₅O₁₂ ceramic," Chin. Opt. Lett. 13, 051602 (2015)

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