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Diamond Laser Group

Diamond Group Publications


K. Chrysalidis, V.N. Fedosseev, B.A. Marsh, R.P. Mildren, D.J. Spence, K.D.A. Wendt, S.G. Wilkins, and E. Granados, "Continuously tunable diamond Raman laser for resonance laser ionization." Optics Letters 44, No. 16, pp. 3924-3927 (2019). Editor's Pick

O. Kitzler, D.J. Spence and R.P. Mildren, "Generalised theory of polarisation modes for resonators containing birefringence and anisotropic gain," Optics Express, 27(12), 17209-17220, (2019).

S. Antipov, A. Sabella, R.J. Williams, O. Kitzler, D.J. Spence, and R.P. Mildren "1.2  kW quasi-steady-state diamond Raman laser pumped by an M2 = 15 beam," Opt. Lett. 44(10), 2506-2509 (2019).

S. Sarang, O. Kitzler, O. Lux, Z. Bai, R.J. Williams, D.J. Spence, and R.P. Mildren. "Single-longitudinal-mode diamond laser stabilization using polarization-dependent Raman gain." OSA Continuum 2, no. 4, 1028-1038, (2019).

L. Weston, J. E. Downes, C. G. Baldwin, E. Granados, S. Tawfik, X. Y. Cui, C. Stampfl and R. P. Mildren, "Photochemical etching of carbonyl groups from a carbon matrix: The (001) diamond surface," Phys Rev. Lett., vol. 122, 016802, (2019).

X. Yang, O. Kitzler, D.J. Spence, R.J. Williams, Z. Bai, S. Sarang, L. Zhang, Y. Feng and R.P. Mildren. "Single-frequency 620 nm diamond laser at high power, stabilized via harmonic self-suppression and spatial-hole-burning-free gain." Optics Letters 44, no. 4, 839-842 (2019). Editor's Pick


Can Cui, Yulei Wang, Zhiwei Lu, Hang Yuan, Yue Wang, Yi Chen, Qingzheng Wang, Zhenxu Bai, and Richard P. Mildren. "Demonstration of 2.5 J, 10 Hz, nanosecond laser beam combination system based on non-collinear Brillouin amplification." Optics Express 26(25), 32717-32727 (2018)

Z. Bai, R. J.Williams, O. Kitzler, S. Sarang, D.J. Spence and R. P. Mildren, "302 W quasi-continuous cascaded diamond Raman laser at 1.5 microns with large brightness enhancement," Opt. Express 26(16), 19797-19803 (2018).

R. J. Williams, O. Kitzler, Z. Bai, S. Sarang, H. Jasbeer, A. McKay, S. Antipov, O. Lux, D. J. Spence, and R.P. Mildren, "High Power Diamond Raman Lasers," IEEE J. Sel. Top. Quant., vol. 24, No. 5, 1602214 (14 pages), (2018). Open Access

Z. Bai, R. J.Williams, H. Jasbeer, S. Sarang, O. Kitzler, A. McKay, and R. P. Mildren, "Large brightness enhancement for quasi-continuous beams by diamond Raman laser conversion," Opt. Lett. 43(3), 563-566 (2018).

H. Jasbeer, R.J. Williams, O. Kitzler, A. McKay, and R. P. Mildren, "Wavelength diversification of high-power external cavity diamond Raman lasers using intracavity harmonic generation," Opt. Express 26, 1930-1941 (2018).

Z. Bai, H. Yuan, Z. Liu, P. Xu, Q. Gao, R. J. Williams, O. Kitzler, R. P. Mildren, Y. Wang, and Z. Lu, "Stimulated Brillouin scattering materials, experimental design and applications: A review," Optical Materials, vol. 75, pp. 626–645, 2018.


A.M. McKay, D.J. Spence, D.W. Coutts, R.P. Mildren, "Diamond based concept for combining beams at very high powers," Laser and Photonics Reviews, vol. 11, 1600130, (2017)

O. Lux, R. J. Williams, S. Sarang, H. Jasbeer, A. McKay, O. Kitzler, and R. P. Mildren, "High-brightness and narrow-linewidth diamond Raman lasers," Proc. SPIE, vol. 10254, 102540B1-6, (2017)

O. Kitzler, J. Lin, H.M. Pask, R.P. Mildren, S.C. Webster, N. Hempler, G.P.A. Malcolm, and D.J. Spence, “Single-longitudinal-mode ring diamond Raman laser,” Optics Letters 42(7) 1229-1232 (2017)

A.M. McKay, A. Sabella and R.P. Mildren "Polarization conversion in cubic Raman crystals," Scientific Reports 7, 41702 (2017)

R.J. Williams, D.J. Spence, O. Lux, and R.P. Mildren, "High-power continuous-wave Raman frequency conversion from 1.06 µm to 1.49 µm in diamond," Opt. Express 25, 749-757 (2017)


O. Lux, S. Sarang, R.J. Williams, A. McKay, and R.P. Mildren, "Single longitudinal mode diamond Raman laser in the eye-safe spectral region for water vapor detection," Opt. Express 24, 27812-27820 (2016)

S. Sarang, R.J. Williams, O. Lux, O. Kitzler, A. McKay, H. Jasbeer and R.P. Mildren, "High-gain 87 cm−1 Raman line of KYW and its impact on continuous-wave Raman laser operation," Opt. Express 24(19), 21463-21473 (2016).

O. Lux, S. Sarang, O. Kitzler, D.J. Spence, and R.P. Mildren, "Intrinsically stable high-power single-longitudinal-mode laser using spatial hole burning free gain," Optica, vol. 3, pp. 876-88, (2016).

H. Jasbeer, R.J. Williams, O. Kitzler, A. McKay, S. Sarang, J. Lin and R.P. Mildren, "Birefringence and piezo-Raman analysis of single crystal CVD diamond and effects on Raman laser performance," J. Opt. Soc. Amer. B, vol. 33, B56-64, (2016)


A. Sabella, D.J. Spence, and R.P. Mildren, “Pump-Probe measurements of the Raman gain coefficient in crystals Using multi-longitudinal-mode beams,” IEEE J. Quantum Electron., vol. 51, no. 12, 1000108, (2015).

A. McKay, R.P. Mildren, D. W. Coutts, and D. J. Spence, "SRS in the strong-focusing regime for Raman amplifiers," Opt. Express, vol. 23, no. 11, pp. 15012–15020, (2015).

O. Kitzler, A. McKay, D.J. Spence and R.P. Mildren, "Modelling and Optimization of Continuous-Wave External Cavity Raman Lasers", Opt. Express, vol. 23, 8590-8602, (2015)

M. Murtagh, J. Lin, R. P. Mildren, G. McConnell, and D. J. Spence, "Efficient diamond Raman laser generating 65 fs pulses," Opt. Express, vol. 23, no. 12, pp. 15504–15513, (2015).

R.J. Williams, J. Nold, M. Strecker, O. Kitzler, A. McKay, T. Schreiber, and R.P. Mildren, “Efficient Raman frequency conversion of high-power fiber lasers in diamond,” Laser Photon. Rev., vol. 9, no. 4, pp. 405–411, (2015).


R.J. Williams, A.M. McKay, O. Kitzler and R.P. Mildren, "Investigating diamond Raman lasers at the 100 W-level using quasi-cw pumping," Opt. Lett., vol. 39, 4152-4155 (2014)

A. Sabella, J.A. Piper, and R.P. Mildren, "Diamond Raman laser with continuously tuneable output from 3.38 to 3.80 microns," Opt. Lett., vol. 39, 4037-4040 (2014)

O. Lux, V. G. Ralchenko, A. P. Bolshakov, V. I. Konov, G. V Sharonov, A. Shirakawa, H. Yoneda, H. Rhee, H. J. Eichler, R. P. Mildren, and A. A. Kaminskii, "Multi-octave frequency comb generation by chi-(3) -nonlinear optical processes in CVD diamond at low temperatures," Laser Phys. Lett., vol. 11, p. 086101, (2014).

A. McKay, O. Kitzler and R.P. Mildren, "Simultaneous brightness enhancement and wavelength conversion to the eye-safe region in a high-power diamond Raman laser," Laser & Photonics Reviews, vol. 7, L37-L41, (2014).

M. Murtagh, J. Lin, R.P. Mildren, and D.J. Spence, "Ti:Sapphire-pumped diamond Raman laser with sub-100 fs pulse duration," Opt. Lett., vol. 39, 2975-2978 (2014).

C.G. Baldwin, J.E. Downes, C.J. McMahon, C. Bradac, and R.P. Mildren, "Nano-structuring and oxidation of diamond by novel two-photon UV surface excitation: An XPS and NEXAFS study," Phys. Rev B, vol. 89, 195422 (2014).

A. Lehmann, C. Bradac, and R. P. Mildren, "Two-photon polarization-selective etching of emergent nano-structures on diamond surfaces," Nature Commun. vol. 5, 3341 (2014)

A. McKay, O. Kitzler and R.P. Mildren, "Thermal lens evolution and compensation in a high power KGW Raman laser," Optics Express, vol. 22, 6707-6718 (2014).

A. McKay, O. Kitzler and R.P. Mildren, "High power tungstate-crystal Raman laser operating in the strong thermal lensing regime" Optics Express, vol. 11, 707-715, (2014)

A.M. Warrier, J. Lin, H.M. Pask, R.P. Mildren, D.W. Coutts, and D.J. Spence, "Highly efficient picosecond diamond Raman laser at 1240 and 1485 nm," Optics Express, vol. 22, 3325-3333 (2014).


A. McKay, O. Kitzler, and  R. P. Mildren, "An efficient 14.5 W diamond Raman laser at high pulse repetition rate with first (1240 nm) and second (1485 nm) Stokes output," Laser Phys. Lett., 10, 105801 (2013).

R.P. Mildren, "Intrinsic optical properties of diamond," in Optical Engineering of Diamond (Wiley) pp1-34, (2013)

R.P. Mildren, A. Sabella, O. Kitzler, D.J. Spence and A. McKay, "Diamond Raman laser design, performance and prospects," in Optical Engineering of Diamond (Wiley), pp239-276 , (2013)


O. Kitzler, A.M. McKay and R.P. Mildren, "Continuous-wave wavelength conversion for high power applications using an external cavity diamond Raman laser," Opt. Lett., 37, 2790-2792 (2012)

R.P. Mildren: Recent progress in diamond Raman lasers, in Diamond Electronics and Bioelectronics - Fundamentals to Applications III, edited by O. Williams, P. Bergonzo, R.B. Jackman, K.P. Loh, (Mater. Res. Soc. Symp. Proc. Volume 1395, Warrendale, PA, 2012). mrsf11-1395-n01-01 doi:10.1557/opl.2012.327 * Invited *


A. Sabella, J.A. Piper, and R.P. Mildren, "Efficient conversion of a 1.064 um Nd:YAG laser to the eye-safe region using a diamond Raman laser," Opt. Express 19, 23554-23560 (2011)

R.P. Mildren, J.E. Downes, J.D. Brown, B.F. Johnston, E. Granados, D.J. Spence, A. Lehmann, L. Weston, and A. Bramble, "Characteristics of 2-photon ultraviolet laser etching of diamond," Opt. Mater. Express 1, 576-585 (2011)

E. Granados, D.J. Spence, and R.P. Mildren, "Deep ultraviolet diamond Raman laser," Optics Express, vol. 19, pp. 20422-20427.(2011)

R.P. Mildren "Side-pumped crystalline Raman laser," Opt. Lett. , 36, 235-237 (2011)


A. Sabella, J.A. Piper and R.P. Mildren "1240nm diamond Raman laser operating near the quantum limit," Opt. Lett., 35, 3874-3876 (2010)

R.P. Mildren: The Outlook for Diamond in Raman Laser Applications, in Diamond Electronics and Bioelectronics - Fundamentals to Applications III, edited by P. Bergonzo, J.E. Butler, R.B. Jackman, K.P. Loh, M. Nesladek (Mater. Res. Soc. Symp. Proc. Volume 1203, Warrendale, PA, 2010), J13-01. * Invited *

D. J. Spence, E. Granados, and R. P. Mildren, "Mode locked picosecond diamond Raman laser", Opt. Lett. vol. 35, p556 (2010).


R.P. Mildren and A. Sabella, "Highly efficient diamond Raman Laser," Opt. Lett. , vol. 34, pp2811-3, (2009)


R.P. Mildren, J.E. Butler and J.R. Rabeau, "External cavity diamond Raman laser at 573 nm," Opt. Express vol. 16, p18950-18955, (2008)