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17 Jun 2002
DeMaria ElectroOptics Systems (DEOS of Bloomfield, Connecticut, has introduced a new type of carbon dioxide laser that the company claims minimizes peripheral thermal damage in OEM micromachining applications.
DEOS says that the SPL-100 is the first industrial laser to incorporate an internal Q-switch successfully, enabling submicrosecond output pulses.
The shorter pulse translates into a brief heating cycle, providing less opportunity for excess heat to spread into the surrounding substrate. Pulse durations from conventional CO2 lasers are more than two orders of magnitude greater.
The laser produces pulse energies of up to 0.5 mJ/pulse with repetition rates of up to 100 kHz, average power of more than 20 W and M2 of less than 1.2. Peak powers are more than 3 kW.Applications include hole drilling, thin film cutting, perforating and marking in paper, polymers and other organics.
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