Abstract

A high-average-power conduction-cooled diode-pumped Nd:YLF rod laser has been developed. A new conduction-cooled side-pumping scheme with a solid prismatic pump-light confinement cavity was employed. A transparent, high-thermal-conductivity MgF2 prism was used as a highly efficient pump cavity as well as a low-thermal-resistance heat spreader. The pumping efficiency and thermal resistance of the cavity were 85% and 0.20 °C/W, respectively. When this scheme was combined with heat pipes for heat removal, a maximum average output power of 72 W was demonstrated, with an optical slope efficiency as high as 49%.

© 2000 Optical Society of America

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References

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1999 (1)

1996 (1)

A. Liu and K. Ueda, Opt. Commun. 132, 511 (1996).
[CrossRef]

1995 (2)

1994 (2)

1947 (1)

A. Marechal, Rev. Opt. Theor. Instrum. 26, 257 (1947).

Afzal, R. S.

Barnes, N. P.

N. Sims and N. P. Barnes, in Advanced Solid-State Lasers, A. A. Pinto and T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), p. 41.

Bobe, M.

Byer, R. L.

T. S. Rutherford, W. M. Tulloch, E. K. Gustafson, and R. L. Byer, in Conference on Lasers and Electro-Optics, 1999 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1999), p. 31.

Cai, Y.

J. M. Dawes, P. Dekker, Y. Cai, D. S. Knowles, S. Jackson, and J. A. Piper, in Advanced Solid-State Lasers, Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), p. 432.

Dawes, J. M.

J. M. Dawes, P. Dekker, Y. Cai, D. S. Knowles, S. Jackson, and J. A. Piper, in Advanced Solid-State Lasers, Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), p. 432.

Dekker, P.

J. M. Dawes, P. Dekker, Y. Cai, D. S. Knowles, S. Jackson, and J. A. Piper, in Advanced Solid-State Lasers, Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), p. 432.

Ernst, G.

Golla, D.

Gustafson, E. K.

T. S. Rutherford, W. M. Tulloch, E. K. Gustafson, and R. L. Byer, in Conference on Lasers and Electro-Optics, 1999 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1999), p. 31.

Hirano, Y.

Jackson, S.

J. M. Dawes, P. Dekker, Y. Cai, D. S. Knowles, S. Jackson, and J. A. Piper, in Advanced Solid-State Lasers, Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), p. 432.

Jackson, S. D.

Kasahara, K.

Knoke, S.

Knowles, D. S.

J. M. Dawes, P. Dekker, Y. Cai, D. S. Knowles, S. Jackson, and J. A. Piper, in Advanced Solid-State Lasers, Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), p. 432.

Koechner, W.

W. Koechner, Solid State Laser Engineering, 4th ed., Vol. 1 of Springer Series in Optical Sciences (Springer, New York, 1996), p. 432.

Koyata, Y.

Liu, A.

A. Liu and K. Ueda, Opt. Commun. 132, 511 (1996).
[CrossRef]

Marechal, A.

A. Marechal, Rev. Opt. Theor. Instrum. 26, 257 (1947).

Muendel, M. H.

M. H. Muendel, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), p. 209.

Piper, J. A.

S. D. Jackson and J. A. Piper, Appl. Opt. 34, 2012 (1995).
[CrossRef] [PubMed]

S. D. Jackson and J. A. Piper, Appl. Opt. 33, 2273 (1994).
[CrossRef] [PubMed]

J. M. Dawes, P. Dekker, Y. Cai, D. S. Knowles, S. Jackson, and J. A. Piper, in Advanced Solid-State Lasers, Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), p. 432.

Rutherford, T. S.

T. S. Rutherford, W. M. Tulloch, E. K. Gustafson, and R. L. Byer, in Conference on Lasers and Electro-Optics, 1999 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1999), p. 31.

Schone, W.

Sims, N.

N. Sims and N. P. Barnes, in Advanced Solid-State Lasers, A. A. Pinto and T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), p. 41.

Tajime, T.

Tulloch, W. M.

T. S. Rutherford, W. M. Tulloch, E. K. Gustafson, and R. L. Byer, in Conference on Lasers and Electro-Optics, 1999 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1999), p. 31.

Tunnermann, A.

Ueda, K.

A. Liu and K. Ueda, Opt. Commun. 132, 511 (1996).
[CrossRef]

Welling, H.

Yamamoto, S.

Appl. Opt. (3)

Opt. Commun. (1)

A. Liu and K. Ueda, Opt. Commun. 132, 511 (1996).
[CrossRef]

Opt. Lett. (2)

Rev. Opt. Theor. Instrum. (1)

A. Marechal, Rev. Opt. Theor. Instrum. 26, 257 (1947).

Other (5)

M. H. Muendel, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), p. 209.

W. Koechner, Solid State Laser Engineering, 4th ed., Vol. 1 of Springer Series in Optical Sciences (Springer, New York, 1996), p. 432.

T. S. Rutherford, W. M. Tulloch, E. K. Gustafson, and R. L. Byer, in Conference on Lasers and Electro-Optics, 1999 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1999), p. 31.

N. Sims and N. P. Barnes, in Advanced Solid-State Lasers, A. A. Pinto and T. Y. Fan, eds., Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), p. 41.

J. M. Dawes, P. Dekker, Y. Cai, D. S. Knowles, S. Jackson, and J. A. Piper, in Advanced Solid-State Lasers, Vol. 15 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1993), p. 432.

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Figures (6)

Fig. 1
Fig. 1

Cross section of the conduction-cooled side-pumping scheme.

Fig. 2
Fig. 2

(a) Nd:YLF rod pumping cavity and (b) pumping module.

Fig. 3
Fig. 3

(a) Experimental setup and (b) average laser output power dependence of the average pump power. PPS, pulses per second.

Fig. 4
Fig. 4

Fluorescence distribution at an average pump power of 168 W.

Fig. 5
Fig. 5

Decomposed transmitted wave-front errors of (a) the focus component and (b) the higher-order component at an average pump power of 168 W.

Fig. 6
Fig. 6

Average pump-power dependence of thermal aberrations of the Nd:YLF rod.

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