Investigating diamond Raman lasers at the 100 W level using quasi-continuous-wave pumping

RJ Williams, O Kitzler, A McKay, RP Mildren - Optics letters, 2014 - opg.optica.org
Quasi-cw pumping is used to investigate the high-power characteristics of cw beam conversion
in diamond Raman lasers (DRLs). We show that thermal gradients establish in DRLs at …

Large brightness enhancement for quasi-continuous beams by diamond Raman laser conversion

Z Bai, RJ Williams, H Jasbeer, S Sarang, O Kitzler… - Optics Letters, 2018 - opg.optica.org
… medium remains the key challenge for increasing laser brightness at high powers. Here we
… continuous-wave (CW) beams based on external cavity Raman lasers using diamond, a …

302 W quasi-continuous cascaded diamond Raman laser at 1.5 microns with large brightness enhancement

Z Bai, RJ Williams, O Kitzler, S Sarang, DJ Spence… - Optics express, 2018 - opg.optica.org
… We report a second Stokes diamond Raman laser at 1.49 μm capable of high power and
large-scale-factor brightness enhancement. Using a quasi-continuous 1.06 μm pump of power …

1.2  kW quasi-steady-state diamond Raman laser pumped by an M2 = 15 beam

S Antipov, A Sabella, RJ Williams, O Kitzler… - Optics letters, 2019 - opg.optica.org
… or thermal effects in the diamond that limit the output power. This … In this Letter, we demonstrate
a diamond Raman laser operating … for thermal lensing in a diamond laser, observed as a …

Characterization of single-crystal synthetic diamond for multi-watt continuous-wave Raman lasers

VG Savitski, I Friel, JE Hastie… - IEEE Journal of …, 2011 - ieeexplore.ieee.org
… In quasi continuouswave operation, Kitzler et al. demonstrated impressive on-time output
powers of 7.5W in 6.5ms pulses. The duty cycle was 16.5% giving average powers of 1.2W. …

Modelling and optimization of continuous-wave external cavity Raman lasers

O Kitzler, A McKay, DJ Spence, RP Mildren - Optics express, 2015 - opg.optica.org
… We report an analytical model describing power and efficiency of a 23 W quasi-continuous-wave
diamond Raman laser. The model guides the optimization of the first Stokes output …

External cavity diamond Raman lasers for high-power continuous-wave beam conversion

O Kitzler - 2022 - figshare.mq.edu.au
… oscillator design enables efficient CW Raman conversion and high-power output. Diamond
Raman lasers (DRLs) were studied under continuous and quasi-continuous-wave high…

Quasi-continuous-wave 589-nm radiation based on intracavity frequency-doubled Nd: GGG/BaWO4 Raman laser

Y Liu, Z Liu, Z Cong, S Men, H Rao, J Xia… - Optics & Laser …, 2016 - Elsevier
… In this paper, we applied QCW scheme into the crystalline Raman laser and realized …
Raman laser was a diode-side-pumped acousto-optically Q-switched Nd:GGG/BaWO 4 laser

High power diamond Raman lasers

RJ Williams, O Kitzler, Z Bai, S Sarang… - IEEE Journal of …, 2018 - ieeexplore.ieee.org
… for high power lasers. We show that diamond, when configured as a Raman laser, enables
access to … at the 100 W level using quasi-continuous-wave pumping,” Opt. Lett., vol. 39, no. …

Diamond Raman oscillator operating at 1178 nm

M Heinzig, G Palma-Vega, T Walbaum, T Schreiber… - Optics Letters, 2020 - opg.optica.org
… in quasi-continuous-wave mode with 10% duty cycle and 10 ms on-time duration. For
continuous-wave … To conclude, we have demonstrated a diamond Raman laser at 1178 nm with a …