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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 27 — Sep. 20, 1999
  • pp: 5761–5764

Efficient Operation of a Diode-Bar-Pumped Nd:YAG Laser on the Low-Gain 1123-nm Line

Nicholas Moore, W. Andrew Clarkson, David C. Hanna, Stefan Lehmann, and Jens Bösenberg  »View Author Affiliations


Applied Optics, Vol. 38, Issue 27, pp. 5761-5764 (1999)
http://dx.doi.org/10.1364/AO.38.005761


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Abstract

Efficient operation of a Nd:YAG laser on the low-gain 1123-nm transition by end pumping with the reshaped output from a 7-W diode bar is reported. Using a simple standing-wave laser configuration and pumping with 5.6 W of incident power yielded a laser output power of 1.7 W in a near-diffraction-limited TEM00 mode with a beam quality factor of M ≲ .. A unidirectional single-frequency ring laser was also constructed, yielding 180 mW of single-frequency output. The prospects for further increase in power by optimization of the resonator design are discussed.

© 1999 Optical Society of America

OCIS Codes
(140.3460) Lasers and laser optics : Lasers
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.3560) Lasers and laser optics : Lasers, ring

Citation
Nicholas Moore, W. Andrew Clarkson, David C. Hanna, Stefan Lehmann, and Jens Bösenberg, "Efficient Operation of a Diode-Bar-Pumped Nd:YAG Laser on the Low-Gain 1123-nm Line," Appl. Opt. 38, 5761-5764 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-27-5761


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References

  1. S. Lehmann and J. Bösenberg, “A water vapour DIAL system using diode pumped Nd:YAG lasers,” in Advances in Atmospheric Remote Sensing with Lidar, Selected Papers of the 18th International Laser Radar Conference, A. Ansmann, R. Neuber, P. Rairoux, and U. Wandinger, eds. (Springer-Verlag, Berlin, Germany, 1996), pp. 309–312.
  2. R. Paschotta, N. Moore, W. A. Clarkson, A. C. Tropper, D. C. Hanna, and G. Máze, “230mW of blue light from a thulium-doped upconversion fiber laser,” IEEE J. Sel. Top. Quantum Electron. 4, 1100–1102 (1997).
  3. S. Singh, R. G. Smith, and L. G. Van Uitert, “Stimulated-emission cross-section and fluorescent quantum efficiency of Nd3+ in yttrium aluminium garnet at room temperature,” Phys. Rev. B 10, 2566–2572 (1974).
  4. W. A. Clarkson and D. C. Hanna, “Two-mirror beam-shaping technique for high-power diode bars,” Opt. Lett. 21, 375–377 (1996).
  5. W. A. Clarkson, R. Koch, and D. C. Hanna, “Room-temperature diode-bar-pumped Nd:YAG laser at 946 nm,” Opt. Lett. 21, 737–739 (1996).
  6. S. G. Grubb, K. W. Bennett, R. S. Cannon, and W. F. Humer, “Cw room-temperature blue upconversion fibre laser,” Electron. Lett. 28, 1243–1244 (1992).
  7. M. A. Kern, W. A. Clarkson, and D. C. Hanna, “Resonator design considerations for high-power TEM00 operation of a Nd:YAG laser at 1.3 μm end-pumped by a diode-bar,” in Conference on Lasers and Electro-Optics, Vol. II of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 479.
  8. T. J. Kane and R. L. Byer, “Monolithic, unidirectional single-mode Nd:YAG ring laser,” Opt. Lett. 10, 65–67 (1985).

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