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Optics Letters

Optics Letters


  • Vol. 27, Iss. 24 — Dec. 15, 2002
  • pp: 2161–2163

End-pumped, passively Q-switched Yb:YAG double-clad waveguide laser

J. I. Mackenzie and D. P. Shepherd  »View Author Affiliations

Optics Letters, Vol. 27, Issue 24, pp. 2161-2163 (2002)

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We present a diode-pumped, double-clad Yb:YAG waveguide laser that contains an integrated section of a Cr4+: YAG saturable absorber for passive Q switching. Using two 4-W polarization-coupled, broad-striped diode-pumped lasers, we obtained 30-µJ pulses of 1.6-ns duration at repetition rates of as much as 77 kHz. The slope efficiency was ~50% with respect to absorbed pump power, with a maximum output average power of 2.3 W and a peak power of ~18 kW . The output beam was single lobed, with M2 values as great as 1.5×1.3 . We also demonstrate a passively Q -switched Nd:YAG waveguide laser of similar design, operating at 1.064 µm and 946 nm.

© 2002 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3540) Lasers and laser optics : Lasers, Q-switched
(230.7390) Optical devices : Waveguides, planar

J. I. Mackenzie and D. P. Shepherd, "End-pumped, passively Q-switched Yb:YAG double-clad waveguide laser," Opt. Lett. 27, 2161-2163 (2002)

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  1. D. P. Shepherd, S. J. Hettrick, C. Li, J. I. Mackenzie, R. J. Beach, S. C. Mitchell, and H. E. Meissner, J. Phys. D 34, 2420 (2001).
  2. T. Bhutta, J. I. Mackenzie, D. P. Shepherd, and R. J. Beach, J. Opt. Soc. Am. B 19, 1539 (2002).
  3. C. L. Bonner, T. Bhutta, D. P. Shepherd, and A. C. Tropper, IEEE J. Quantum Electron. 36, 236 (2000).
  4. J. I. Mackenzie, D. P. Shepherd, S. C. Mitchell, and R. J. Beach, Electron. Lett. 37, 898 (2001).
  5. J. I. Mackenzie, C. Li, and D. P. Shepherd, submitted to IEEE J. Quantum Electron., ().
  6. R. J. Beach, S. C. Mitchell, H. E. Meissner, O. R. Meissner, W. F. Krupke, J. M. McMahon, W. J. Bennett, and D. P. Shepherd, Opt. Lett. 26, 881 (2001).
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  10. J. Dong, P. Deng, Y. Liu, Y. Zhang, J. Xu, W. Chen, and X. Xie, Appl. Opt. 40, 4303 (2001).
  11. Y. Kalisky, C. Labbe, K. Waichman, L. Kravchik, U. Rachum, P. Deng, J. Xu, J. Dong, and W. Chen, Opt. Mater. 19, 403 (2002).
  12. J. J. Zayhowski, Opt. Mater. 11, 255 (1999).
  13. J. I. Mackenzie, C. Li, D. P. Shepherd, R. J. Beach, and S. C. Mitchell, IEEE J. Quantum Electron. 38, 222 (2002).
  14. A. A. Lagatsky, A. Abdolvand, and N. V. Kuleshov, Opt. Lett. 25, 616 (2000).

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