SPI Lasers UK Ltd.’s redEnergy is a 40-W pulsed continuous-wave fiber laser that provides >20-kW peak power, 25 selectable waveforms with a full power range of 30 to 500 kHz, a reduced power range of 1 to 30 kHz and output stability of 5%. Beam diameter is 3.1 mm, and peak emission wavelength is 1062 ±3 nm. The instrument is suitable for use in applications including black anneal color marking on stainless steel, paint layer removal on mobile phone keypads and marking integrated circuits. Users can tune peak power, pulse energy and pulse frequency. Other applications include solar cell and silicon processing, ablation, scribing, thin-film cutting and dual-head marking. The high-speed device is bitmap-marking compatible.