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Fiber lasers are known for being highly accurate and run at a high frequency, ( not the nanometer of the laser of course ) but the KHz setting for the lasers modulation, the higher pulse rate means cleaner lines when etching.
Here's something about IPG's quasi CW pulse width, wow it's shorter than I expected.
Pulse Duration* 0.05-50 ms
Apparently they can be analog modulated.
Individual Quasi-CW Fiber laser pulses can be modulated with analog control to achieve the optimal temporal pulse shape or pulse train for any particular application:
•Multi-pulse for drilling
•Ramp up for pre-cleaning
•Enhanced spike for high reflectivity materials
•Remove porosity or shrinkage pipe in center of weld
•Ramp down pulse used for reducing cracking on crack sensitive materials
Quasi-CW Fiber Lasers
Here's something about IPG's quasi CW pulse width, wow it's shorter than I expected.
Pulse Duration* 0.05-50 ms
Apparently they can be analog modulated.
Individual Quasi-CW Fiber laser pulses can be modulated with analog control to achieve the optimal temporal pulse shape or pulse train for any particular application:
•Multi-pulse for drilling
•Ramp up for pre-cleaning
•Enhanced spike for high reflectivity materials
•Remove porosity or shrinkage pipe in center of weld
•Ramp down pulse used for reducing cracking on crack sensitive materials
Quasi-CW Fiber Lasers
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