Doughnut-shaped laser used to create an optical fibre out of air

Shooting a brief but powerful laser beam shaped like a doughnut through the air created a light pulse that acts like an optical fibre, carrying data 45 metres

Energies, Free Full-Text

Generation of a cylindrically symmetric, polarized laser beam with narrow linewidth and fine tunability

Phase-modulating lasers toward on-chip integration

Kofi Kurtis 💫✨ (@Kofi_Kurtis) / X

A hollow beam from a holey fiber

A liquid laser that is robust in air and tunable by wind: A tunable laser hat can be inkjet-printed, with potential application in inexpensive sensors or optical communication devices

Esther M. Coronel, PhD (@Esthersuchi) / X

Energies, Free Full-Text

Andrew Goffin (@at_goffin) / X

Doughnut-shaped laser beam used to create fibre optics from thin air

Endlessly mono-radial annular core photonic crystal fiber for the broadband transmission and supercontinuum generation of vortex beams

Here's how to make a fiber-optic cable out of air using a laser

1. Intensity profiles (a) of a Gaussian beam, (b) top-hat beam, (c)

Vortex Laser based on III-V semiconductor metasurface: direct generation of coherent Laguerre-Gauss modes carrying controlled orbital angular momentum