Crystal growth and spectral properties of (Yb0.15Lu0.85xY0.85-0.85x)3Al5O12 single crystals

Ruifeng Tian; Mingyan Pan; Lu Zhang; Hongji Qi

doi:10.3788/COL202220.121601

Journals >Chinese Optics Letters >Volume 20 >Issue 12 >Page 121601 > Article

Chinese Optics Letters
Vol. 20, Issue 12, 121601 (2022)

Crystal growth and spectral properties of (Yb_0.15Lu_0.85xY_0.85-0.85x)₃Al₅O₁₂ single crystals

Ruifeng Tian^1、2, Mingyan Pan^1、*, Lu Zhang^1、2, and Hongji Qi^1、**

Author Affiliations

¹Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

²University of Chinese Academy of Sciences, Beijing 100049, China

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DOI: 10.3788/COL202220.121601 Cite this Article Set citation alerts

Ruifeng Tian, Mingyan Pan, Lu Zhang, Hongji Qi. Crystal growth and spectral properties of (Yb_0.15Lu_0.85xY_0.85-0.85x)₃Al₅O₁₂ single crystals[J]. Chinese Optics Letters, 2022, 20(12): 121601 Copy Citation Text

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Picture of the as-grown crystals for (a) (Yb0.15Lu0.2125Y0.6375)3Al5O12, (b) (Yb0.15Lu0.425Y0.425)3Al5O12, and (c) (Yb0.15Lu0.85)3Al5O12.

Fig. 1. Picture of the as-grown crystals for (a) (Yb_0.15Lu_0.2125Y_0.6375)₃Al₅O₁₂, (b) (Yb_0.15Lu_0.425Y_0.425)₃Al₅O₁₂, and (c) (Yb_0.15Lu_0.85)₃Al₅O₁₂.

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Picture of the crystals for (1a), (1b) (Yb0.15Y0.85)3Al5O12, (2a), (2b) (Yb0.15Lu0.2125Y0.6375)3Al5O12, (3a), (3b) (Yb0.15Lu0.425Y0.425)3Al5O12, and (4a), (4b) (Yb0.15Lu0.85)3Al5O12. The samples in first and second rows are before and after annealing, respectively.

Fig. 2. Picture of the crystals for (1a), (1b) (Yb_0.15Y_0.85)₃Al₅O₁₂, (2a), (2b) (Yb_0.15Lu_0.2125Y_0.6375)₃Al₅O₁₂, (3a), (3b) (Yb_0.15Lu_0.425Y_0.425)₃Al₅O₁₂, and (4a), (4b) (Yb_0.15Lu_0.85)₃Al₅O₁₂. The samples in first and second rows are before and after annealing, respectively.

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Fig. 3. Transmittance of the single crystals for (Yb_0.15Lu_0.85xY_0.85-0.85x)₃Al₅O₁₂ (x = 0, 0.25, 0.5, 1).

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Fig. 4. XEL spectra of the single crystals for (Yb_0.15Lu_0.85xY_0.85-0.85x)₃Al₅O₁₂ (x = 0, 0.25, 0.5, 1) at room temperature.

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Fig. 5. Luminescence integral intensity varies with Lu³⁺ concentration increase.

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Fig. 6. 213 nm pulsed laser excited decay time profiles of the single crystals for (Yb_0.15Lu_0.85xY_0.85-0.85x)₃Al₅O₁₂ (x = 0, 0.25, 0.5, 1) at 330 nm and 500 nm.

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Fig. 7. Decay time of the single crystals for (Yb_0.15Lu_0.85xY_0.85-0.85x)₃Al₅O₁₂ (x = 0, 0.25, 0.5, 1) at 330 nm with Lu³⁺ concentration increase.

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Sample	Density ( $g / {cm}^{3}$ )
${({Yb}_{0.15} Y_{0.85})}_{3} {Al}_{5} O_{12}$	4.83
${({Yb}_{0.15} {Lu}_{0.2125} Y_{0.6375})}_{3} {Al}_{5} O_{12}$	5.40
${({Yb}_{0.15} {Lu}_{0.425} Y_{0.425})}_{3} {Al}_{5} O_{12}$	5.83
${({Yb}_{0.15} {Lu}_{0.85})}_{3} {Al}_{5} O_{12}$	6.77

Table 1. The Densities of the Single Crystals for (Yb_0.15Lu_0.85xY_0.85-0.85x)₃Al₅O₁₂ (x = 0, 0.25, 0.5, 1)

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	Time Constant (ns)
Crystal	330 nm	500 nm
${({Yb}_{0.15} Y_{0.85})}_{3} {Al}_{5} O_{12}$	1.12	1.34
${({Yb}_{0.15} {Lu}_{0.2125} Y_{0.6375})}_{3} {Al}_{5} O_{12}$	1.11	1.14
${({Yb}_{0.15} {Lu}_{0.425} Y_{0.425})}_{3} {Al}_{5} O_{12}$	1.04	1.02
${({Yb}_{0.15} {Lu}_{0.85})}_{3} {Al}_{5} O_{12}$	0.78	0.84

Table 2. The Decay Time Constants of the Single Crystals for (Yb_0.15Lu_0.85xY_0.85-0.85x)₃Al₅O₁₂ (x = 0, 0.25, 0.5, 1) at 330 nm and 500 nm Wavelengths

Ruifeng Tian, Mingyan Pan, Lu Zhang, Hongji Qi. Crystal growth and spectral properties of (Yb_0.15Lu_0.85xY_0.85-0.85x)₃Al₅O₁₂ single crystals[J]. Chinese Optics Letters, 2022, 20(12): 121601

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