High power, high modulation bandwidth CO2 laser

David Wheatley

doi:10.1117/12.270195

4 April 1997 High-power high-modulation bandwidth CO₂ laser

David Wheatley

Proceedings Volume 3092, XI International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference; (1997) https://doi.org/10.1117/12.270195
Event: XI International Symposium on Gas Flow and Chemical Lasers and High Power Laser Conference, 1996, Edinburgh, United Kingdom

Abstract

A 1 kW laser capable of full depth modulation in excess of 200 kHz has been developed to satisfy a significant need within the printing plate engraving industry. The Howden Laser LE1500-OA design is based upon a 1.5 kW diffusion cooled carbon-dioxide laser converted into an oscillator-acousto- optic-modulator-amplifier configuration. A novel method is used to limit unwanted noise emissions from the high gain amplifier at the 'zero' setting. The design is being used successfully within systems manufactured by ZED Instruments Ltd to engrave flexographic printing plates at several production sites involved in packaging and label printing.

Citation Download Citation

David Wheatley "High-power high-modulation bandwidth CO₂ laser", Proc. SPIE 3092, XI International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, (4 April 1997); https://doi.org/10.1117/12.270195

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