Scientists use devices known as frequency comb lasers to search for methane in the air above oil and gas operations and to screen for signs of infection in human breath. A new study could help make ...

Invisible infrared waves are emitted by IR LEDs and detected by photodiodes to enable devices like remotes, automatic ...

Physicists at Johannes Gutenberg University Mainz have demonstrated a dual-frequency Paul trap capable of confining both heavy ions and light electrons in the same device, a technical step that could ...