Improving the mid-infrared band luminescent intensity in oxide glass system is a serious
challenge. In this work, Ho 3+ ions was introduced into Er 3+ doped tellurite glass, and the …

Abstract Er 3+/Ho 3+ Doped Al₂O₃-Na₂O–TeO 2 mixed ionic-electronic glasses
containing different concentrations of V₂O 5 ranging from 0 to 2.0 mol% were prepared …

Abstract Ho 3+/Yb 3+ co-doped tellurite-germanate glasses with lower phonon energy (779
cm− 1) and higher thermal stability were prepared by conventional melt quenching. The mid …

Despite significant advancements in the field of mid-infrared lasers, the fluorescence around
the 2–4 μm wavelength range remains a pressing concern. Ho 3+/Er 3+ co-doped TeO 2 …

Tellurite-zinc glasses doped with Er 3+, Yb 3+ and Tm 3+ were fabricated by conventional
melt-quenching technique and characterised by absorption spectroscopy, refractive index …

Herein, melt-quenching and Er 3+ doping were used to synthesize fluoride glass specimens
with low phonon energies (582 cm− 1). These glass specimens exhibit intense 3.1 μm mid …

Effective near-infrared emission covering the fifth optical telecommunication window (1380–
1525 nm) has been observed in Pr 3+-doped phosphate (NMAP) glasses. Judd–Ofelt …

Abstract Nd 3+-Er 3+-Pr 3+ tri-doped tellurite glasses with lower phonon energy (766 cm− 1)
were prepared by conventional melt-quenching method. Under the excitation of 488 nm, an …

In this paper we report on the near infrared (NIR) upconversion (UC) and spectroscopic
properties of erbium (Er 3+)-doped TeO 2–ZnO–Nb 2 O 5–TiO 2 (TZNT) oxide glasses. Judd …

The use of Nd 3+ codoping for sensitizing the Er 3+ ion and enhancing the∼ 2.7 μm
emission from transition of Er 3+: I 11/2 4→ I 13/2 4 were investigated in the Er/Nd codoped …