Laser self-mixing interferometry (SMI) harnesses the phenomenon of optical feedback by reinjecting a fraction of a laser’s output back into its cavity. This reinjection leads to an interference effect ...

Exail, the France-headquartered photonics company, says it has won a contract with the French Space Agency (CNES) to develop and deliver an “ultra-stable” laser system for the planned Laser ...

Quantum compasses need six atom interferometers, each the size of a small room, to work. But scientists have made crucial steps to miniaturizing these devices. When you purchase through links on our ...

X-ray astronomy is a somewhat neglected corner of the more general field of astronomy. The biggest names in telescopes, like ...