Experiment obtains entanglement of six light waves with a single laser
Laser & Diffraction Grating – PhysicsOpenLab
In an experiment designed to measure the speed of light, a laser is aimed at a mirror that is 59.0 km due north. A detector is placed 138 m due east of
List of laser applications - Wikipedia
Experiment with Red Laser in Optics Lab Stock Image - Image of light, prism: 187450909