The parts were marked using a 20 watt q-switched ytterbium fiber laser with 160 mm focal length lens. The samples were etched to create brightly contrasting marks.

Material: Aluminum
Power: 20 watts
Method used: Etching
Frequency: 10kHz
Depth: Surface
Speed: 10 inch/sec.
Laser Type: Q-Switched Fiber Laser
Focal Length Lens: 160mm
Cycle Time: 30 seconds