The parts were marked using a 20 Watt Pulsed Fiber Laser using a 160 mm lens. The samples were annealed to create brightly contrasting marks. The Brass sample was engraved and lightly etched, each with its own cycle time.

Engraved-1.63 secs, Light etch 2.18 secs.

Technology: Q-switched Fiber Laser
Wattage: 20 Watt
Wavelength: 1060nm – 1070nm
Focal Length Lens: 160mm