Material:  Black Polypropylene
Method Used:  Etch
Depth:  <.001
Laser Type:  20 watt Q-Switch Fiber Laser
Focal Length Lens:  160mm
Power:
30 – 100%
Frequency: 20kHz
Speed:
26 – 60 inches per second
Passes: 1
Cycle Time:
156 – 188ms

Samples were processed using a 20 watt Q-switched fiber laser through a 160mm F-theta lens