Research Progress of Rare Earth Doped Fluorophosphate Glass Fiber for 2-3 μm Fiber Laser Application

Ying Tian; Shiqing Xu; Feifei Huang; Junjie Zhang

doi:10.3788/LOP56.170608

Laser & Optoelectronics Progress, Volume. 56, Issue 17, 170608(2019)

Research Progress of Rare Earth Doped Fluorophosphate Glass Fiber for 2-3 μm Fiber Laser Application

Ying Tian^*, Shiqing Xu^**, Feifei Huang, and Junjie Zhang

Author Affiliations

Institute of Optoelectronic Materials and Devices, China Jiliang University, Hangzhou, Zhejiang 310018, China

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Abstract Get PDF(in Chinese)

Figures & Tables(4)

Fig. 1. Rare earth ion level transition for 2-3 μm fiber laser[17]

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Fig. 2. Laser test diagram of fluorophosphate glass fiber[64]

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Table 1. Comparison of physical, chemical and optical properties of fluorophosphate glass and silicate glass[38]

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Table 1. Comparison of physical, chemical and optical properties of fluorophosphate glass and silicate glass[38]

Parameter	Value
	Fluorophosphate glass		Silicate glass
	LG-760	LG-810	LSG-91H	LG-660
Density /(g·cm^-3)	2.60	3.19	2.81	2.60
Young's modulus /(10³N·mm^-2)	53.7	75.3	87.2	69.4
Poisson's ratio	0.267	0.275	0.237	0.233
Thermal expansion coefficient(20-300 ℃)	138	165	-	122
Thermal conductivity /(W·m^-1·K^-1)	0.67	1.06	1.04	1.05
Chemical stability (50 ℃, water) /(mg·cm^-2·d^-1)	0.15	0.46	-	0.01
Chemical stability (50 ℃, 0.05 mol/LH₂SO₄) / (mg·cm^-2·d^-1)	1.9	72.5	-	0.08
Abbe coefficient	68.5	91.0	56.56	58.2
Nonlinear refractive index /(10^-18m²·W^-1)	1.04	0.52	1.58	1.34
Refractive index temperaturecoefficient @20-40 ℃ /(10^-6℃^-1)	-6.8	-7.7	1.6	1.1

Table 2. Results of fluorophosphate glass for 2-3 μm fiber laser

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Table 2. Results of fluorophosphate glass for 2-3 μm fiber laser

Dopant	Pump /nm	Emission /μm	Transition	Reference
Er³⁺/Ho³⁺	980	2.0	⁵I₇→⁵I₈	[2]
Yb³⁺/Er³⁺/Ho³⁺	980	2.0	⁵I₇→⁵I₈	[57]
Er³⁺/Pr³⁺	980	2.7	⁴I_11/2→⁴I_13/2	[58]
Tm³⁺/Yb³⁺	980	1.8	³F₄→³H₆	[59]
Tm³⁺	800	1.8	³F₄→³H₆	[61]
Dy³⁺/Tm³⁺	800	2.9	⁶H_13/2→⁶H_15/2	[62]
Ho³⁺/Yb³⁺	980	2.0	⁵I₇→⁵I₈	[63]

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Ying Tian, Shiqing Xu, Feifei Huang, Junjie Zhang. Research Progress of Rare Earth Doped Fluorophosphate Glass Fiber for 2-3 μm Fiber Laser Application[J]. Laser & Optoelectronics Progress, 2019, 56(17): 170608

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Paper Information

Category: Fiber Optics and Optical Communications

Received: May. 21, 2019

Accepted: Jun. 25, 2019

Published Online: Sep. 5, 2019

The Author Email: Ying Tian (tianyingcjlu@163.com), Shiqing Xu (shiqingxu75@163.com)

DOI:10.3788/LOP56.170608

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology