These are the best settings for engraving black colour on brass with a fiber laser engraving machine, intense black color over brass with a BCF, IPG, Raycus.
Metal Marking and Engraving Stainless Steel and Metal
Laser Marking and Engraving Machines for Metals - Laserax
Engraving Plastic with a Fiber Laser
Fiber laser marking parts anywhere with growing portable technology
Finding the right laser parameters for our engraving sheets
How to Mark Aluminum with a Laser?
Laser Etching: Everything You Need to Know - Laserax
Find the Perfect Settings for Your Laser Metal Engraver: A Detailed Gu — Monportlaser
Laser Marking on Titanium – Sometimes like a Rainbow
Fiber Laser Engraving Settings for metals, plastics, wood, glass, leahter - manufacturers of Laser fiber marking technology
Engraving Plastic with a Fiber Laser