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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 22, Iss. 5 — May. 1, 2005
  • pp: 1003–1009

Diode-pumped Nd:YAG and Nd:glass spinning-disk lasers

Steven M. Massey, Jason B. McKay, Timothy H. Russell, Alan H. Paxton, Harold C. Miller, and Santanu Basu  »View Author Affiliations

JOSA B, Vol. 22, Issue 5, pp. 1003-1009 (2005)

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Results are presented showing that high laser output efficiencies and a significant reduction in thermal effects can be achieved by a spinning of an optically pumped disk of gain material in a laser cavity. Waste heat is removed from the disk by conduction to cold plates across a thin gas layer. With this approach, a diode-pumped Nd:YAG laser has been demonstrated at 10.3 - W cw output power, TEM 00 mode, with a slope efficiency of 59%. A Nd:glass spinning-disk laser has also been demonstrated at 35 - W cw, multimode, with a slope efficiency of 40%. As the disk revolution rate was scanned from 1   to   26 Hz , the laser power first increased to a maximum value then decreased for increasingly higher rates. However, when the laser resonator axis was advanced with respect to the pump, the optimum spin rate shifted to higher values.

© 2005 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state

Steven M. Massey, Jason B. McKay, Timothy H. Russell, Alan H. Paxton, Harold C. Miller, and Santanu Basu, "Diode-pumped Nd:YAG and Nd:glass spinning-disk lasers," J. Opt. Soc. Am. B 22, 1003-1009 (2005)

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