Abstract
The copper laser is a pulsed visible laser (511 and 578 nm laser lines), which emits intense (50-500 kW), short pulses (20-60 ns) at high pulse repetition frequencies (2-32 kHz). Average power levels from commercial units range from 10-120 W whilst laboratory devices have reached 750 W. Novel unstable resonator designs have yielded near diffraction limited beams,1 which may be efficiently amplified to powers in excess of 2 kW.2 The CVL operates in a unique laser parameter space and consequently has shown new and interesting results in materials processing.
© 1994 IEEE
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