We report on the direct generation of the high-power optical vortices at∼ 2.7 μm from an Er:
Y2O3 ceramic laser end-pumped by an annular pump beam using a simple capillary fiber …

We investigated high energy, near and mid-infrared optical vortex lasers formed by a 1 μm
optical vortex-pumped KTiOAsO4 (KTA) optical parametric oscillator. The orbital angular …

Mid-infrared femtosecond vortex beams generated by optical parametric oscillators (OPO)
are reported for the first time, to the best of our knowledge. Order-tunable femtosecond …

The generation of near-and mid-infrared vortex mode is demonstrated from a 1 µm
nanosecond optical vortex pumped optical parametric oscillator using a multi-grating MgO …

We present the first, to the best of our knowledge, direct generation of pulsed optical vortices
in the 2.7-µ m spectral range by employing polycrystalline Fe: ZnSe as a saturable absorber …

Light carrying vortex beam characteristics were demonstrated in the mid-infrared (mid-IR)
region using polymer based spiral phase plates (SPP). The SPP was fabricated through …

We demonstrate, to the best of our knowledge, the first direct vortex beam generation in the
3 μm spectral region by employing an Er: Y 2 O 3 ceramic laser. Controllable handedness …

We report on a widely-tunable mid-infrared picosecond optical vortex laser source that
employs a synchronously-pumped optical parametric oscillator optimized for mid-infrared …

The use of vortex laser beams has increased in various areas of optics and photonics,
necessitating enhanced beam quality for wide usage. In the field of high-power lasers, a …

We demonstrate the inner-cavity generation of mid-infrared optical vortex arrays from an Er:
CaF 2 laser. By shifting the position of the defect point on the input mirror, multiple …