waves - Can light beams (e.g. from a laser) visibly interfere if they cross in mid-air? - Physics Stack Exchange
Simulation result with two crossing elliptical laser beams. (a) and (b)... | Download Scientific Diagram
Mixing laser beams and X-ray beams
Thin Yellow and Grey Laser Beams Spin Isolated on Black Background. Animation. Abstract Rotating and Crossing Laser Stock Image - Image of crossing, fluorescent: 187246641
World-Record Laser Blast Lasts 67 Quintillionths of a Second | WIRED