The growing landscape of laser applications in∼ 2 μm spectral region leads to the
development of novel transparent media that provide low attenuation solutions for high …

Light sources with the spectrum distribution approaching the sunlight, even in the visible
range, are preferred. Up to now, sunlight simulator is still a great challenge to the scientists …

Abstract Tm 3+/Ho 3+ co-doped tellurite aluminate glasses were prepared using the melt-
quenching technique. Under 808 nm laser diode (LD) excitation, these glasses exhibit …

Transparent oxyfluoride glass ceramics (GCs) comprised of a uniform oxide glass phase
and a well-distributed fluoride crystal phase are regarded as suitable optical gain materials …

We study effects of Y 3+ on the enhancement near-infrared emission of Bi+-Er 3+ co-doped
in transparent silicate glass-ceramics for optical amplifiers. The differential thermal analysis …

This review article emphasizes the study and realization of chromium doped bulk glasses as
well as optical fibers elaborating the optical properties of various valence states of chromium …

The near-infrared emission properties in low-phonon (805 cm− 1) gallo-germanate glasses
and their glass fibers co-doped with Yb 3+/Ho 3+ and Yb 3+/Tm 3+/Ho 3+ have been …

Improving the infrared-band luminescent property of rare-earth doped materials is a
challenging task. In this work, the enhanced 2.0 µm band emission study in Ho 3+/Yb 3+/Er …

Broadband∼ 2 μm amplified spontaneous emissions with a full width at half-maximum
(FWHM) varying from∼ 206 to∼ 234 nm were obtained from the Ho/Cr/Tm: yttrium …

A flat 2.0 μm ultra broadband emission with a full width at half maximum (FWHM) of 329 nm
is achieved in 1 mol.% Tm2O3 and 0.05 mol.% Ho2O3 co-doped gallium tellurite glasses …