Amazon.com: CO2 Laser Cutter Focus Focal Lens 3PCS Mo Reflector Mirror Dia19.05/20/25/30/38.1mm CO2 Laser Molybdenum Mirror for CO2 Laser Engraving Machine (Diameter : 19.05mm, Thickness : 3mm)
Laser Reflector Real Life Escape Room Game Props Reflecting Mirror For Laser Array Or Laser Maze Mirror To Reflect Laser Beams - Access Control Accessories - AliExpress
Lunar Laser Ranging experiment - Wikipedia
E20990 - Reflector for retro-reflective laser sensors - ifm