Lasers are the pillars of modern optics and sensing. Microlasers based on whispering-
gallery modes (WGMs) are miniature in size and have excellent lasing characteristics …

Electrochemical biosensors have gained significant attention in various fields, including
healthcare, environmental monitoring, and biotechnology, due to their high sensitivity …

Rare earth elements (REEs) are becoming more and more significant as they play crucial
roles in many advanced technologies. Therefore, the development of optimized processes …

In this work, a novel mid-infrared continuous wave laser, based on a fluoroindate fiber co-
doped with holmium and neodymium, is designed to emit at, when pumped at. The laser is …

The development of bifunctional oxygen electrode electrocatalysis for both the oxygen
reduction reaction (ORR) and the oxygen evolution reaction (OER) plays a vital role in the …

Light transformations based on stimulated Raman scattering in microresonators with
whispering gallery modes have tremendous potential for implementing compact, widely …

A gain-switched pulsed laser based on a commercial, heavily holmium-doped fluoroindate
glass fiber, is designed to emit in the middle-infrared range, at the wavelength. The laser …

We review the works performed on whispering gallery mode (WGM) micro-optical resonators
made in rare-earth (RE) doped glasses for implementing low threshold and narrow line …

Highly optical transparent tellurite glasses are attractive and viable as alternative materials
for absorbing gamma-ray photons in the design of radiation protection structures. This report …

This study presented an analysis of the TeO2/GeO2 molar ratio in an oxide glass system. A
family of melt-quenched glasses with the range of 0–35 mol% of GeO2 has been …