Brief Reflections from a Plasma Mirror

Plasmas consisting of relativistic electrons are used to generate highly intense attosecond laser pulses

Narrowing the Spectrum of Diode Lasers

A useful replacement for the more complex single-frequency lasers is possible

A Cloud-Piercing Laser

An ultra-hot laser creates a temporary hole in a cloud to improve optical communication

A New Optical Fiber Electron Gun

Ultrabright electron sources to light up atomic motions in real time

New Method for Ultrafast Laser Pulses

The electro-optic modulation techniques can operate at much higher repetition rates than mode-locked lasers

Precision Imaging Through Flames

A laser detection and ranging system can see 3D-objects melting in fires

Continuously Emitting Microlasers

A new energy-looping excitation mechanism in lanthanide-doped upconverting nanoparticles

Single Microcomb Replaces Multiple Lasers

First coherent-transmission experiments using amplitude modulation of a dark-pulse comb

Smelling With a Laser

Real-time and accurate measurements of gas properties with an optical frequency comb

Spectroscopy of Levitated Droplets

Laser-induced breakdown spectroscopy detects elements in a single water droplet