scholarly journals Spectroscopic analysis and laser simulations of Yb3+/Ho3+ co-doped lead-germanate glass

2020 ◽  
Vol 10 (11) ◽  
pp. 2819
Author(s):  
Mamoona Khalid ◽  
D. G. Lancaster ◽  
Heike Ebendorff-Heidepriem
Keyword(s):  
Spectroscopic Analysis ◽  
Lead Germanate ◽  
Germanate Glass ◽  
Laser Simulations ◽  
Co Doped

scholarly journals Broadband Near-Infrared Luminescence in Lead Germanate Glass Triply Doped with Yb3+/Er3+/Tm3+

Materials ◽  
2021 ◽  
Vol 14 (11) ◽  
pp. 2901
Author(s):  
Wojciech A. Pisarski ◽  
Joanna Pisarska ◽  
Radosław Lisiecki ◽  
Witold Ryba-Romanowski
Keyword(s):  
Energy Transfer ◽  
Near Infrared ◽  
Infrared Emission ◽  
Relaxation Processes ◽  
Lead Germanate ◽  
Germanate Glass ◽  
Transfer Processes ◽  
Infrared Luminescence ◽  
Near Infrared Emission ◽  
Co Doped

This paper deals with broadband near-infrared luminescence properties of lead germanate glass triply doped with Yb3+/Er3+/Tm3+. Samples were excited at 800 nm and 975 nm. Their emission intensities and lifetimes depend significantly on Er3+ and Tm3+ concentrations. For samples excited at 800 nm, broadband emissions corresponding to the overlapped 3H4 → 3F4 (Tm3+) and 4I13/2 → 4I15/2 (Er3+) transitions centered at 1.45 µm and 1.5 µm was identified. Measurements of decay curves confirm reduction of 3H4 (Tm3+), 2F5/2 (Yb3+) and 4I13/2 (Er3+) luminescence lifetimes and the presence of energy-transfer processes. The maximal spectral bandwidth equal to 269 nm for the 3F4 → 3H6 transition of Tm3+ suggests that our glass co-doped with Yb3+/Er3+/Tm3+ is a good candidate for broadband near-infrared emission. The energy transfer from 4I13/2 (Er3+) to 3F4 (Tm3+) and cross-relaxation processes are responsible for the enhancement of broadband luminescence near 1.8 µm attributed to the 3F4 → 3H6 transition of thulium ions in lead germanate glass under excitation of Yb3+ ions at 975 nm.

scholarly journals Up-conversion luminescence in germanate glass and double-clad optical fibre co-doped with Yb3+/Eu3+ ions

2016 ◽  
Vol 24 (3) ◽  
Author(s):  
M. Kochanowicz ◽  
J. Zmojda ◽  
T. Ragin ◽  
P. Miluski ◽  
P. Jelen
Keyword(s):  
Optical Fibre ◽  
Germanate Glass ◽  
Co Doped

AbstractIn the paper the analysis of up-conversion (UC) luminescence in 0.5Yb

scholarly journals Development of low‐loss lead‐germanate glass for mid‐infrared fiber optics: II. preform extrusion and fiber fabrication

2020 ◽  
Vol 104 (2) ◽  
pp. 833-850 ◽  
Author(s):  
Pengfei Wang ◽  
Alson Kwun Leung Ng ◽  
Alastair Dowler ◽  
Heike Ebendorff‐Heidepriem
Keyword(s):  
Fiber Optics ◽  
Lead Germanate ◽  
Low Loss ◽  
Germanate Glass ◽  
Mid Infrared ◽  
Fiber Fabrication

Enhanced ~1.8 μm photoluminescence under blue light excitation in Tm Bi co-doped germanate glass and its temperature dependence

2019 ◽  
Vol 525 ◽  
pp. 119645 ◽  
Author(s):  
Chengzhen Liu ◽  
Yixi Zhuang ◽  
Jianjun Han ◽  
Jian Ruan ◽  
Xiujian Zhao ◽  
...  
Keyword(s):  
Temperature Dependence ◽  
Blue Light ◽  
Germanate Glass ◽  
Light Excitation ◽  
Co Doped

scholarly journals Effect of Temperature on Upconversion Luminescence in Yb3+/Tb3+Co-Doped Germanate Glass

2013 ◽  
Vol 124 (3) ◽  
pp. 471-473 ◽  
Author(s):  
M. Kochanowicz ◽  
D. Dorosz ◽  
J. Zmojda ◽  
P. Miluski ◽  
J. Dorosz
Keyword(s):  
Upconversion Luminescence ◽  
Effect Of Temperature ◽  
Germanate Glass ◽  
Co Doped

Infrared luminescence of erbium-doped sodium lead germanate glass

2011 ◽  
Vol 106 (3) ◽  
pp. 669-675 ◽  
Author(s):  
M. Jiménez de Castro ◽  
J. M. Fernández Navarro
Keyword(s):  
Lead Germanate ◽  
Germanate Glass ◽  
Infrared Luminescence ◽  
Erbium Doped

Crystal growth and spectroscopic analysis of Tm, Ho singly-doped and Tm/Ho co-doped CaLaGa3O7 NIR laser crystals

2018 ◽  
Vol 75 ◽  
pp. 744-750 ◽  
Author(s):  
Yunyun Liu ◽  
Xihu Wang ◽  
Yan Wang ◽  
Zhenyu You ◽  
Jianfu Li ◽  
...  
Keyword(s):  
Crystal Growth ◽  
Spectroscopic Analysis ◽  
Laser Crystals ◽  
Co Doped ◽  
Nir Laser
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