Multi-watt continuous-wave diamond Raman laser at 1217 nm

In this report, the authors present the first multi-watt (>;5 W) continuous-wave (cw) laser based on diamond. This diamond Raman laser exploits diamond´s high Raman gain. Raman lasers are usually pumped by high peak-power pulsed lasers, and indeed Feve et al. recently demonstrated a 25W pulsed diamond Raman laser. By contrast, the authors fully exploit the high optical quality of state-of-the art synthetic diamond to enable multi-watt CW operation.