In the past two decades, great progress has been made in the development of inexpensive,
compact and efficient mid-infrared pulsed fiber laser Q-switched, mode-locked, and gain …

Germanium oxide (GeO2) and tellurium oxide (TeO2) based glasses are classed as the
heavy metal oxide glasses, with phonon energies ranging between 740cm− 1 and 880cm …

The use of infrared-emitting rare-earth-doped luminescent nanoparticles as
nanothermometers has attracted great attention during the last few years. The scientific …

Intense red (⁠ Er 3+: F 9∕ 2 4→ I 15∕ 2 4⁠, Tm 3+: G 4 1→ F 4 3⁠), green (⁠ Er 3+: H 11∕
2 2⁠, S 3∕ 2 4→ I 15∕ 2 4⁠), and blue (⁠ Tm 3+: D 2 1→ F 4 3⁠, G 4 1→ H 6 3⁠) …

The high concentration Tm 3+ ions doped fluorotellurate glass samples (TeO 2-Al 2 O 3-BaF
2) fabricated by high-temperature fusion technique and the luminescence properties of the …

In this paper, a 2 µm broadband emission under 796 nm laser diode excitation in low
phonon energy GeO_2-Ga_2O_3-BaO glass system is co-doped with 0.7 Tm_2O_3/(0.07 …

Recent work in the area of Tm3+ and Ho3+‐doped tellurite fibre and bulk glass lasers
operating close to 2 μ m is reviewed. Spectroscopic properties of these doped glasses are …

Laser emission in the range of 1.88-1.99 μm from a Tm^ 3+-doped tellurite fiber is
demonstrated when pumped with a diode-pumped Er^ 3+/Yb^ 3+-doped silica fiber laser …

A Tm3+-doped silicate glass (SiO2–CaO–Na2O–K2O) with good thermal stability is
prepared by the melt-quenching method. Intense 1.8 μm emission is obtained when pumped …

In this paper, we designed the glass composition and optimized the Tm 3+ do**
concentration to obtain a tellurite-germanate laser glass material with favorable …