Dec 26, 2020 #1 E etc Flashlight Enthusiast Joined Dec 19, 2004 Messages 5,777 Location Northern Virginia This video is a good explanation https://www.thefirearmblog.com/blog...-arrow-lep-laser-excited-phosphor-flashlight/
This video is a good explanation https://www.thefirearmblog.com/blog...-arrow-lep-laser-excited-phosphor-flashlight/