Welcome to Laser Pointer Forums - discuss green laser pointers, blue laser pointers, and all types of lasers

Search results

  1. N

    What is the required mW of a blue laser to burn dark colored paper?

    I’m new to lasers and trying to find what mW is required for blue lasers to burn paper. edit: I currently have a 150 mW 445 nm blue 304 laser from Sanwu lasers