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:doi:10.3788/COL201513.051602

Chinese Optics Letters, 2015, 13 (5): 051602, Published Online: Sep. 20, 2018

Spectral properties and laser performance of Nd:Lu₃Al₅O₁₂ ceramic

Shuqi Qiao ¹Yang Zhang ²Xiangchun Shi ^1,*Benxue Jiang ^2,**Long Zhang ²Xiaojin Cheng ¹Lei Li ¹Jianlei Wang ¹Luo Gui ¹

Author Affiliations

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

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

Figures & Tables

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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Table1. 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[J]. Chinese Optics Letters, 2015, 13(5): 051602.

Spectral properties and laser performance of Nd:Lu₃Al₅O₁₂ ceramic

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

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

Fig. 3. Optical schematic of the laser system.

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

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.

Fig. 6. Pulse energy versus absorbed pump energy.

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

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

Table1. F43/2 Level of Nd:LuAG

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