Nowadays, it is possible to purchase Q-switched Nd:YAG lasers with a single YAG rod, or with two rods. So, what is the difference and is it important? To understand why a laser might have two rods instead of one we should look at the basic design of a laser first. Basic laser cavity A… Continue reading Single or Double Rod Nd:YAG Lasers?
Month: May 2018
Do your eyes hurt after ‘lasering’?
Three times in three weeks I’ve heard the same comment – “my eyes hurt for a few hours after I’ve finished lasering”….. All three times that has raised alarm bells in my head. As a Laser Protection Adviser I knew right away what this meant. It means that their eyes were not being properly… Continue reading Do your eyes hurt after ‘lasering’?