First demonstration of ~ 5 µm laser action in terbium-doped selenide glass

4.9–5.5 µm laser oscillations were observed in high-purity bulk terbium-doped Ge36Ga5Se59 glass pumped by pulsed 2.93 µm Er:YAG laser. This is the first evidence of laser action corresponding to 7F5–7F6 transition of Tb3+ ions and of mid-infrared lasing in chalcogenide glass host.

[1]  Ole Bang,et al.  Mid-infrared multispectral tissue imaging using a chalcogenide fiber supercontinuum source. , 2018, Optics letters.

[2]  V. Nazabal,et al.  Dy3+ doped GaGeSbSe fiber long-wave infrared emission , 2020, Journal of Luminescence.

[3]  M. F. Churbanov,et al.  Preparation of REE-doped Ge-based chalcogenide glasses with low hydrogen impurity content , 2019 .

[4]  B. Stepanov,et al.  Special pure germanium-rich Ga-Ge-As-Se glasses for active mid-IR fiber optics , 2018, Materials Research Bulletin.

[5]  Leslie Brandon Shaw,et al.  Mid-wave IR and long-wave IR laser potential of rare-earth doped chalcogenide glass fiber , 2001 .

[6]  V. Shiryaev,et al.  Preparation of Ge20Se80 glasses with low hydrogen and oxygen impurities content for middle IR fiber optics , 2019, Journal of Non-Crystalline Solids.

[7]  M. F. Churbanov,et al.  Peculiarities of 16-75 µm Pr3+ luminescence in Ge36Ga5Se59 glass , 2019, Optical Materials Express.

[8]  Slawomir Sujecki,et al.  Progress in rare-earth-doped mid-infrared fiber lasers. , 2010, Optics express.

[9]  Markus P. Hehlen,et al.  50th anniversary of the Judd–Ofelt theory: An experimentalist's view of the formalism and its application , 2013 .

[10]  R. I. Woodward,et al.  Swept-wavelength mid-infrared fiber laser for real-time ammonia gas sensing , 2018, APL Photonics.

[11]  Hans P. Jenssen,et al.  Advanced solid-state lasers , 1991 .

[12]  G. E. Snopatin,et al.  Core-clad Pr(3+)-doped Ga(In)-Ge-As-Se-(I) glass fibers: Preparation, investigation, simulation of laser characteristics , 2017 .

[13]  B. Bureau,et al.  Tb3+ doped Ga5Ge20Sb10Se65-xTex (x = 0-375) chalcogenide glasses and fibers for MWIR and LWIR emissions , 2018, Optical Materials Express.

[14]  M. Churbanov,et al.  New approach for preparation of high-purity sulfide-germanium glasses doped with praseodymium , 2019, Optical Materials Express.

[15]  Trevor M. Benson,et al.  Mid-infrared emission in Tb^3+-doped selenide glass fiber , 2017 .

[16]  Norman P. Barnes,et al.  Mid infrared lasers for remote sensing applications , 2016 .

[17]  Victor G. Plotnichenko,et al.  Chalcogenide glasses doped with Tb, Dy and Pr ions , 2003 .

[18]  S. Jackson.  Towards high-power mid-infrared emission from a fibre laser , 2012, Nature Photonics.