Brian Roemmele on X: "A Blu-Ray laser is a blue solid-state strained quantum well laser diode that exploits weird physics to work. Quantum well devices trap electrons into a space about the
Blu-Ray Laser Phaser! : 6 Steps (with Pictures) - Instructables
Inventor Uses Blu-ray Laser Diode to Build a Functional Laser Scanning Microscope - TechEBlog