Silica glass doped with rare-earth ions remains one of the most frequently used materials for
fiber lasers and amplifiers, owing to various advantages such as high thermal resistance …

Stimulated emission depletion microscopy provides a powerful sub-diffraction imaging
modality for life science studies. Conventionally, stimulated emission depletion requires a …

Opening new wavelength bands is the most economic step for further increasing the
capacity of optical transmission links. Characteristics of different amplifier technologies for …

Near infrared (NIR) microscopy enables noninvasive imaging in tissue, particularly in the
NIR-II spectral range (1000–1400 nm) where attenuation due to tissue scattering and …

An investigation on the temperature dependence of spectroscopic parameters of trivalent
thulium ions is important for the design of high-power, thulium-doped fiber lasers and …

Highly efficient and quite stable composite with core-shell-like architecture reported herein,
responds to the challenge of sunlight-driven photocatalysts. The Ln (ndc)/TiO 2 …

Laser sources emitting in the infrared range at around 2 µm are attracting great interest for a
variety of applications like processing of transparent thermoplastic polymers in industry as …

We review the latest breakthroughs in ultrafast fiber laser technology in the mid-IR
wavelength range≥ 2 μm. In particular, we concentrate on two novel laser systems built …

We use a detailed numerical model of stimulated thermal Rayleigh scattering to compute
mode instability thresholds in Tm^ 3+-doped fiber amplifiers. The fiber amplifies 2040 nm …

In this work, we synthesized thulium (Tm 3+) modified TiO 2 nanoparticles by a facile sol-gel
route. We show that Tm 3+-modified TiO 2 exhibit superior photocatalytic activity than pure …