Bandwidth Regulation of Fluorescence Spectra in Laser Crystals (Invited)

Fig. 4. Relationships of distortion index and volume to spectral bandwidth of [YbO₆]^9- polyhedron in 0^#‒6^# Yb∶YCMS configurations. (a) Distortion index; (b) volume

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Fig. 5. DFT-calculated supercell-structure Yb∶CYA and Yb∶CYGA crystals relaxation diagrams

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Fig. 6. XRD patterns of a^#‒f^# Yb∶CYGA crystals

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Fig. 7. Fluorescence spectra of the a^#‒f^# Yb∶CYGA crystals in 925‒1150 nm

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Fig. 8. Relationships of distortion index and volume difference to spectral bandwidth of [YbO₉]^15- polyhedron in a^#‒f^# Yb∶CYGA configurations. (a) Distortion index; (b) volume difference

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Fig. 9. DFT-calculated supercell-structure Yb∶YAP and Yb∶GYAP crystals relaxation diagrams

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Fig. 10. XRD patterns of 0^*‒6^* Yb∶GYAP crystals

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Fig. 11. Fluorescence spectra of the 0^*‒6^* Yb∶GYAP crystals in 930‒1100 nm

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Fig. 12. Relationships of distortion index and volume difference to spectral bandwidth of the [YbO₉]^15- polyhedron in the Yb∶GYAP configurations. (a) Distortion index; (b) volume difference

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Table 1. Comparisons of emission center wavelength ( $\bar{λ}$ ), maximum emission cross section (σ_em), FWHM and fluorescence lifetime (τ_f) of 0^#‒6^# Yb∶YCMS and other Yb³⁺-doped crystals

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Table 1. Comparisons of emission center wavelength ( $\bar{λ}$ ), maximum emission cross section (σ_em), FWHM and fluorescence lifetime (τ_f) of 0^#‒6^# Yb∶YCMS and other Yb³⁺-doped crystals

Crystal	$\bar{λ} /$ nm	σ_em /（10^-20 cm²）	FWHM /nm	τ_f /μs	Ref.
0^# Yb∶Y₂Mg₃（SiO₄）₃	1050	0.561	87.26	864	［40］
1^# Yb∶Y₂（Mg_0.958Ca_0.042）₃（SiO₄）₃	1050	0.582	89.85	848
2^# Yb∶Y₂（Mg_0.917Ca_0.083）₃（SiO₄）₃	1048	0.618	90.46	818
3^# Yb∶Y₂（Mg_0.875Ca_0.125）₃（SiO₄）₃	1047	1.036	103.10	466
4^# Yb∶Y₂（Mg_0.833Ca_0.167）₃（SiO₄）₃	1045	0.811	96.60	546
5^# Yb∶Y₂（Mg_0.792Ca_0.208）₃（SiO₄）₃	1047	0.423	92.87	1124
6^# Yb∶Y₂（Mg_0.75Ca_0.25）₃（SiO₄）₃	1052	0.398	94.47	1041
Yb∶Y₃Al₅O₁₂	1031	1.800	10.00	950	［42］
Yb∶CaGdAlO₄	1043	0.750	80.00	420	［43］
Yb∶YVO₄	1008	1.100	31.00	250	［44］
Yb∶YAlO₃	1041	0.600	9.00	1200	［45］
Yb∶LiYF₄	1020	0.680	40.00	2290	［46］
Yb∶GdScO₃	1025	0.460	85.00	550	［47］

Table 2. Comparisons of emission center wavelength, maximum emission cross section, FWHM and fluorescence lifetime of a^#‒f^# Yb∶CYGA crystals

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Table 2. Comparisons of emission center wavelength, maximum emission cross section, FWHM and fluorescence lifetime of a^#‒f^# Yb∶CYGA crystals

Crystal	$\bar{λ}$ /nm	σ_em /（10^-20 cm²）	FWHM /nm	τ_f /μs	Ref.
a^# Yb∶CaYAlO₄	1035	0.515	95.021	865.49	［57］
b^# Yb∶Ca（Y_0.8Gd_0.2）AlO₄	1034	1.018	98.202	432.32
c^# Yb∶Ca（Y_0.6Gd_0.4）AlO₄	1031	0.751	96.461	563.53
d^# Yb∶Ca（Y_0.4Gd_0.6）AlO₄	1030	0.664	96.083	627.10
e^# Yb∶Ca（Y_0.2Gd_0.8）AlO₄	1031	0.647	67.072	804.44
f^# Yb∶CaGdAlO₄	1030	0.728	63.495	827.67

Table 3. Comparisons of emission center wavelength, maximum emission cross section, FWHM and fluorescence lifetime of 0^‒6^GYAP crystals

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Table 3. Comparisons of emission center wavelength, maximum emission cross section, FWHM and fluorescence lifetime of 0^‒6^GYAP crystals

Crystal	$\bar{λ}$ /nm	σ_em /（10^-20 cm²）	FWHM /nm	τ_f /μs	Ref.
0^* Yb∶Y_0.97AlO₃	1003	1.069	28.345	701	［61］
1^* Yb∶（Gd_0.03Y_0.94）AlO₃	1002	1.147	29.345	658
2^* Yb∶（Gd_0.06Y_0.91）AlO₃	1006	1.160	40.921	642
3^* Yb∶（Gd_0.09Y_0.88）AlO₃	1005	1.123	35.260	645
4^* Yb∶（Gd_0.12Y_0.85）AlO₃	1003	1.102	29.124	683
5^* Yb∶（Gd_0.15Y_0.82）AlO₃	1002	1.094	30.582	671
6^* Yb∶（Gd_0.18Y_0.79）AlO₃	1001	0.980	27.401	774

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Lin Li, Ke Lin, Li Shi, Peixiong Zhang, Zhenqiang Chen, Yin Hang. Bandwidth Regulation of Fluorescence Spectra in Laser Crystals (Invited)[J]. Chinese Journal of Lasers, 2025, 52(18): 1803019

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Paper Information

Category: Materials

Received: Jun. 19, 2025

Accepted: Jul. 21, 2025

Published Online: Sep. 18, 2025

The Author Email: Peixiong Zhang (pxzhang@jnu.edu.cn), Zhenqiang Chen (tzqchen@jnu.edu.cn), Yin Hang (yhang@siom.ac.cn)

DOI:10.3788/CJL250971

CSTR:32183.14.CJL250971

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Comparisons of emission center wavelength ( λ¯ ), maximum emission cross section (σem), FWHM and fluorescence lifetime (τf) of 0#‒6# Yb∶YCMS and other Yb3+-doped crystals

Table 1. Comparisons of emission center wavelength ( λ¯ ), maximum emission cross section (σem), FWHM and fluorescence lifetime (τf) of 0#‒6# Yb∶YCMS and other Yb3+-doped crystals

Table 2. Comparisons of emission center wavelength, maximum emission cross section, FWHM and fluorescence lifetime of a#‒f# Yb∶CYGA crystals

Table 2. Comparisons of emission center wavelength, maximum emission cross section, FWHM and fluorescence lifetime of a#‒f# Yb∶CYGA crystals

Table 3. Comparisons of emission center wavelength, maximum emission cross section, FWHM and fluorescence lifetime of 0*‒6* GYAP crystals

Table 3. Comparisons of emission center wavelength, maximum emission cross section, FWHM and fluorescence lifetime of 0*‒6* GYAP crystals

Table 1. Comparisons of emission center wavelength ( $\bar{λ}$ ), maximum emission cross section (σ_em), FWHM and fluorescence lifetime (τ_f) of 0^#‒6^# Yb∶YCMS and other Yb³⁺-doped crystals

Table 1. Comparisons of emission center wavelength ( $\bar{λ}$ ), maximum emission cross section (σ_em), FWHM and fluorescence lifetime (τ_f) of 0^#‒6^# Yb∶YCMS and other Yb³⁺-doped crystals

Table 2. Comparisons of emission center wavelength, maximum emission cross section, FWHM and fluorescence lifetime of a^#‒f^# Yb∶CYGA crystals

Table 2. Comparisons of emission center wavelength, maximum emission cross section, FWHM and fluorescence lifetime of a^#‒f^# Yb∶CYGA crystals

Table 3. Comparisons of emission center wavelength, maximum emission cross section, FWHM and fluorescence lifetime of 0^‒6^GYAP crystals

Table 3. Comparisons of emission center wavelength, maximum emission cross section, FWHM and fluorescence lifetime of 0^‒6^GYAP crystals