Milliwatt-Level Spontaneous Emission Across the 3.5-8 μm Spectral Region from Pr3+ Doped Selenide Chalcogenide Fiber Pumped with a Laser Diode

被引：22
作者：
Sojka, Lukasz [1 ]
Tang, Zhuoqi [2 ]
Jayasuriya, Dinuka [2 ,3 ]
Shen, Meili [2 ]
Nunes, Joel [2 ]
Furniss, David [2 ]
Farries, Mark [2 ]
Benson, Trevor M. [2 ]
Seddon, Angela B. [2 ]
Sujecki, Slawomir [1 ,2 ]
机构：
[1] Wroclaw Univ Sci & Technol, Fac Elect, Dept Telecommun & Teleinformat, Wybrzeze Wyspianskiego 27, PL-50370 Wroclaw, Poland
[2] Univ Nottingham, Fac Engn, George Green Inst Electromagnet Res, Midinfrared Photon Grp, Univ Pk, Nottingham NG7 2RD, England
[3] ThorLabs, 1 St Thomas Pl, Ely CB7 4EX, England
来源：
APPLIED SCIENCES-BASEL | 2020年 / 10卷 / 02期
基金：
欧盟地平线“2020”;
关键词：
mid-infrared light sources; chalcogenide glass fibers; mid-infrared; fiber lasers; MIDINFRARED EMISSION; GLASS-FIBER; IR; LUMINESCENCE; PHOTOLUMINESCENCE; SPECTROSCOPY; POWER; DY3+; TRANSITIONS; SIMULATION;
D O I：
10.3390/app10020539
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A spontaneous emission fiber source operating in the mid-infrared (MIR) wavelength range from 3.5 to 8 mu m is demonstrated for the first time at output power levels of at least 1 mW. The source is a Pr3+-doped selenide chalcogenide, multimode, glass fiber pumped with commercially available laser diodes operating at 1.470 mu m, 1.511 mu m and 1.690 mu m. This MIR spontaneous emission fiber source offers a viable alternative to broadband mid-infrared supercontinuum fiber sources, which are comparatively complex and costly. The MIR emission wavelength range is significant for molecular sensing applications across biology and chemistry, and in medicine, agriculture, defense, and environmental monitoring.
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页数：11
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