Er<sup>3+</sup>-doped fluorogallate glass for mid-infrared applications

Tianfeng Xue; Liyan Zhang; Lei Wen; Meisong Liao; Lili Hu

doi:doi:10.3788/COL201513.081602

Chinese Optics Letters, 2015, 13 (8): 081602, Published Online: Sep. 14, 2018

Er³⁺-doped fluorogallate glass for mid-infrared applications

Tianfeng Xue Liyan Zhang Lei Wen Meisong Liao ^*Lili Hu ^**

Author Affiliations

Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

Figures & Tables

Fig. 1. Raman spectrum of GaOF0 sample at room temperature.

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Fig. 2. Transmittance spectrum and the calculated absorption spectrum of GaOF0 at room temperature.

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Fig. 3. Absorption spectrum of GaOF5 sample. Inset, 2.71 μm emission of GaOF5 at room temperature.

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Fig. 4. (a) Calculated absorption and emission spectra corresponding to the Er3+:I11/24→I13/24 transition; (b) calculated gain cross-section with various P values ranging from 0 to 1 for the Er3+:I11/24→I13/24 transition of GaOF5.

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Table1. J–O Intensity Parameters, Calculated Spontaneous Radiative Probability, Fluorescence Branching Ratio, and Calculated Emission Cross Section of Er3+:I11/24→I13/24 in Various Glasses

Glass	$Ω_{2}$ ( $10^{- 20} {cm}^{2}$ )	$Ω_{4}$ ( $10^{- 20} {cm}^{2}$ )	$Ω_{6}$ ( $10^{- 20} {cm}^{2}$ )	$Ω_{4} / Ω_{6}$	$A$ ( $s^{- 1}$ )	$β$ (%)	$σ_{em}$ ( $10^{- 20} {cm}^{2}$ )	References
Fluoride (ZBLAN)	3.27	1.3	1.75	0.74	28.8	15.85	0.656	[4]
Fluorophosphate	5.14	1.02	0.91	1.12	22.16	17.63	0.657	[24]
Chalcohalide	6.37	1.41	0.73	1.93	48.4	16.6	0.66	[30]
Germanate	7.23	2.75	1.17	2.35	65.26	16.01	0.953	[36]
Tellurite	4.38	3.05	1.04	2.93	50.02	18.36	0.814	[36]
GaOF5	4.17	1.07	0.46	2.33	25.89	21.71	1.04	This work

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Tianfeng Xue, Liyan Zhang, Lei Wen, Meisong Liao, Lili Hu. Er³⁺-doped fluorogallate glass for mid-infrared applications[J]. Chinese Optics Letters, 2015, 13(8): 081602.

Er³⁺-doped fluorogallate glass for mid-infrared applications

Fig. 1. Raman spectrum of GaOF0 sample at room temperature.

Fig. 2. Transmittance spectrum and the calculated absorption spectrum of GaOF0 at room temperature.

Fig. 3. Absorption spectrum of GaOF5 sample. Inset, 2.71 μm emission of GaOF5 at room temperature.

Fig. 4. (a) Calculated absorption and emission spectra corresponding to the Er3+:I11/24→I13/24 transition; (b) calculated gain cross-section with various P values ranging from 0 to 1 for the Er3+:I11/24→I13/24 transition of GaOF5.

Table1. J–O Intensity Parameters, Calculated Spontaneous Radiative Probability, Fluorescence Branching Ratio, and Calculated Emission Cross Section of Er3+:I11/24→I13/24 in Various Glasses

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Er3+-doped fluorogallate glass for mid-infrared applications

Fig. 1. Raman spectrum of GaOF0 sample at room temperature.

Fig. 2. Transmittance spectrum and the calculated absorption spectrum of GaOF0 at room temperature.

Fig. 3. Absorption spectrum of GaOF5 sample. Inset, 2.71 μm emission of GaOF5 at room temperature.

Fig. 4. (a) Calculated absorption and emission spectra corresponding to the Er3+:I11/24→I13/24 transition; (b) calculated gain cross-section with various P values ranging from 0 to 1 for the Er3+:I11/24→I13/24 transition of GaOF5.

Table1. J–O Intensity Parameters, Calculated Spontaneous Radiative Probability, Fluorescence Branching Ratio, and Calculated Emission Cross Section of Er3+:I11/24→I13/24 in Various Glasses

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Er³⁺-doped fluorogallate glass for mid-infrared applications