No, both sides of the window are identical, so it doesn't matter which side faces the laser.Related ArticlesWhat is the difference between the laser safety face shield and the laser safety welding face shield?What Laser Safety Window Do I Need for a 1060–1080 nm Fiber Laser?Transparent Laser Safety Windows vs Laser Window Coverings: What Should You Use?What Is a Laser Safety Window?Does a Laser Safety Window Need the Same Optical Density as Laser Safety Glasses?
