Precision Machining with Copper Vapour Lasers

High-power, high-brightness master-oscillator power-amplifier copper laser system based on kinetically enhanced active elements

“…Furthermore, the power performance of this system is comparable to other much larger 200-W two-element MOPA systems using either large bore/conventional CVLs or large bore Cu:HyBrID PAs (see Table I) which have, at best, specific power extraction of 30 mW/cm and 20 mW/cm , respectively. In some cases, the performance of this KE-CVL/MOPA is also comparable to the performance of systems employing multiple PAs such as the 200-250 W four-element MOPA chain described in [15], [16] and the 200-W five-element MOPA chain used in laser guide star applications [17].…”

<title>Micromachining with copper vapor lasers</title>

“…Figure 4b shows a micro gear cut with the Copper Vapour Laser and sequencially processed as mentioned above. Figure 6 shows a schematic drawing of the Copper Vapour Laser system used and gives characteristic data of the laser, translation stages and scanner systems (for more details see [6,7]). Figure 6 shows a schematic drawing of the Copper Vapour Laser system used and gives characteristic data of the laser, translation stages and scanner systems (for more details see [6,7]).…”

A 100 W, near diffraction limited, copper HyBrID laser oscillator

“…There is substantial current interest in generating high average power (>50 W), high beam quality (HBQ) laser radiation from copper vapour laser (CVL) systems for a range of emerging applications including micro-machining [1], laser guide-stars for astronomy [2], frequency conversion to the ultraviolet [3,4] for spectroscopy [5] and high-precision micro-machining of polymers [6]. An attractive option for CVL-based HBQ generation is to use copper HyBrID (Hydrogen Bromide In Discharge) oscillators.…”