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 2 ≲ 1.1. 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

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References

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  1. S. Lehmann, 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, 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, G. Máze, “230mW of blue light from a thulium-doped upconversion fiber laser,” IEEE J. Sel. Top. Quantum Electron. 4, 1100–1102 (1997).
    [CrossRef]
  3. S. Singh, R. G. Smith, 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).
    [CrossRef]
  4. W. A. Clarkson, D. C. Hanna, “Two-mirror beam-shaping technique for high-power diode bars,” Opt. Lett. 21, 375–377 (1996).
    [CrossRef] [PubMed]
  5. W. A. Clarkson, R. Koch, D. C. Hanna, “Room-temperature diode-bar-pumped Nd:YAG laser at 946 nm,” Opt. Lett. 21, 737–739 (1996).
    [CrossRef] [PubMed]
  6. S. G. Grubb, K. W. Bennett, R. S. Cannon, W. F. Humer, “Cw room-temperature blue upconversion fibre laser,” Electron. Lett. 28, 1243–1244 (1992).
    [CrossRef]
  7. M. A. Kern, W. A. Clarkson, 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, R. L. Byer, “Monolithic, unidirectional single-mode Nd:YAG ring laser,” Opt. Lett. 10, 65–67 (1985).
    [CrossRef] [PubMed]

1997 (1)

R. Paschotta, N. Moore, W. A. Clarkson, A. C. Tropper, D. C. Hanna, G. Máze, “230mW of blue light from a thulium-doped upconversion fiber laser,” IEEE J. Sel. Top. Quantum Electron. 4, 1100–1102 (1997).
[CrossRef]

1996 (2)

1992 (1)

S. G. Grubb, K. W. Bennett, R. S. Cannon, W. F. Humer, “Cw room-temperature blue upconversion fibre laser,” Electron. Lett. 28, 1243–1244 (1992).
[CrossRef]

1985 (1)

1974 (1)

S. Singh, R. G. Smith, 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).
[CrossRef]

Bennett, K. W.

S. G. Grubb, K. W. Bennett, R. S. Cannon, W. F. Humer, “Cw room-temperature blue upconversion fibre laser,” Electron. Lett. 28, 1243–1244 (1992).
[CrossRef]

Bösenberg, J.

S. Lehmann, 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, U. Wandinger, eds. (Springer-Verlag, Berlin, Germany, 1996), pp. 309–312.

Byer, R. L.

Cannon, R. S.

S. G. Grubb, K. W. Bennett, R. S. Cannon, W. F. Humer, “Cw room-temperature blue upconversion fibre laser,” Electron. Lett. 28, 1243–1244 (1992).
[CrossRef]

Clarkson, W. A.

R. Paschotta, N. Moore, W. A. Clarkson, A. C. Tropper, D. C. Hanna, G. Máze, “230mW of blue light from a thulium-doped upconversion fiber laser,” IEEE J. Sel. Top. Quantum Electron. 4, 1100–1102 (1997).
[CrossRef]

W. A. Clarkson, R. Koch, D. C. Hanna, “Room-temperature diode-bar-pumped Nd:YAG laser at 946 nm,” Opt. Lett. 21, 737–739 (1996).
[CrossRef] [PubMed]

W. A. Clarkson, D. C. Hanna, “Two-mirror beam-shaping technique for high-power diode bars,” Opt. Lett. 21, 375–377 (1996).
[CrossRef] [PubMed]

M. A. Kern, W. A. Clarkson, 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.

Grubb, S. G.

S. G. Grubb, K. W. Bennett, R. S. Cannon, W. F. Humer, “Cw room-temperature blue upconversion fibre laser,” Electron. Lett. 28, 1243–1244 (1992).
[CrossRef]

Hanna, D. C.

R. Paschotta, N. Moore, W. A. Clarkson, A. C. Tropper, D. C. Hanna, G. Máze, “230mW of blue light from a thulium-doped upconversion fiber laser,” IEEE J. Sel. Top. Quantum Electron. 4, 1100–1102 (1997).
[CrossRef]

W. A. Clarkson, R. Koch, D. C. Hanna, “Room-temperature diode-bar-pumped Nd:YAG laser at 946 nm,” Opt. Lett. 21, 737–739 (1996).
[CrossRef] [PubMed]

W. A. Clarkson, D. C. Hanna, “Two-mirror beam-shaping technique for high-power diode bars,” Opt. Lett. 21, 375–377 (1996).
[CrossRef] [PubMed]

M. A. Kern, W. A. Clarkson, 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.

Humer, W. F.

S. G. Grubb, K. W. Bennett, R. S. Cannon, W. F. Humer, “Cw room-temperature blue upconversion fibre laser,” Electron. Lett. 28, 1243–1244 (1992).
[CrossRef]

Kane, T. J.

Kern, M. A.

M. A. Kern, W. A. Clarkson, 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.

Koch, R.

Lehmann, S.

S. Lehmann, 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, U. Wandinger, eds. (Springer-Verlag, Berlin, Germany, 1996), pp. 309–312.

Máze, G.

R. Paschotta, N. Moore, W. A. Clarkson, A. C. Tropper, D. C. Hanna, G. Máze, “230mW of blue light from a thulium-doped upconversion fiber laser,” IEEE J. Sel. Top. Quantum Electron. 4, 1100–1102 (1997).
[CrossRef]

Moore, N.

R. Paschotta, N. Moore, W. A. Clarkson, A. C. Tropper, D. C. Hanna, G. Máze, “230mW of blue light from a thulium-doped upconversion fiber laser,” IEEE J. Sel. Top. Quantum Electron. 4, 1100–1102 (1997).
[CrossRef]

Paschotta, R.

R. Paschotta, N. Moore, W. A. Clarkson, A. C. Tropper, D. C. Hanna, G. Máze, “230mW of blue light from a thulium-doped upconversion fiber laser,” IEEE J. Sel. Top. Quantum Electron. 4, 1100–1102 (1997).
[CrossRef]

Singh, S.

S. Singh, R. G. Smith, 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).
[CrossRef]

Smith, R. G.

S. Singh, R. G. Smith, 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).
[CrossRef]

Tropper, A. C.

R. Paschotta, N. Moore, W. A. Clarkson, A. C. Tropper, D. C. Hanna, G. Máze, “230mW of blue light from a thulium-doped upconversion fiber laser,” IEEE J. Sel. Top. Quantum Electron. 4, 1100–1102 (1997).
[CrossRef]

Van Uitert, L. G.

S. Singh, R. G. Smith, 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).
[CrossRef]

Electron. Lett. (1)

S. G. Grubb, K. W. Bennett, R. S. Cannon, W. F. Humer, “Cw room-temperature blue upconversion fibre laser,” Electron. Lett. 28, 1243–1244 (1992).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron. (1)

R. Paschotta, N. Moore, W. A. Clarkson, A. C. Tropper, D. C. Hanna, G. Máze, “230mW of blue light from a thulium-doped upconversion fiber laser,” IEEE J. Sel. Top. Quantum Electron. 4, 1100–1102 (1997).
[CrossRef]

Opt. Lett. (3)

Phys. Rev. B (1)

S. Singh, R. G. Smith, 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).
[CrossRef]

Other (2)

M. A. Kern, W. A. Clarkson, 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.

S. Lehmann, 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, U. Wandinger, eds. (Springer-Verlag, Berlin, Germany, 1996), pp. 309–312.

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Figures (7)

Fig. 1
Fig. 1

Energy level scheme for the 1123-nm transition in Nd:YAG.

Fig. 2
Fig. 2

Diode-pumped Nd:YAG standing-wave laser operating at 1123 nm: HR, high reflectivity; AR, antireflection.

Fig. 3
Fig. 3

Output power versus incident pump power for a standing-wave Nd:YAG laser.

Fig. 4
Fig. 4

Absorption cross section for water vapor and emission cross section of Nd:YAG around 1123 nm.

Fig. 5
Fig. 5

Diode-pumped Nd:YAG ring laser operating at 1123 nm.

Fig. 6
Fig. 6

Single-frequency output power versus wavelength.

Fig. 7
Fig. 7

Transmission of laser output through a scanning Fabry–Perot interferometer.

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