Abstract

We propose a highly efficient quasi-cw Nd:YAG rod laser with a novel side-pumping design that uses microlens-free diode stacks. We demonstrate 320-W output power with 28% electrical-to-optical efficiency, which is, to our knowledge, the highest efficiency reported for diode-pumped solid-state lasers.

© 2001 Optical Society of America

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References

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  1. J. Machan, R. Moyer, D. Hoffmaster, J. Zamel, D. Burchman, R. Tinti, G. Holleman, L. Marabella, and H. Injeyan, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), pp. 263–265.
  2. M. Sato, S. Naito, H. Machida, N. Iehisa, and N. Karube, in Advanced Solid-State Lasers, M. Fejer, H. Injeyan, and U. Keller, eds., Vol. 26 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1999), p. 2.
  3. R. J. Beach, Appl. Opt. 35, 2005 (1996).
    [CrossRef] [PubMed]
  4. J. J. Chang, E. P. Dragon, C. A. Ebbers, I. L. Bass, and C. W. Cochran, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), p. 300.
  5. R. Beach, J. Davin, S. Mitchell, W. Benett, B. Freitas, R. Solarz, and P. Avizonis, Opt. Lett. 17, 124 (1992).
    [CrossRef] [PubMed]
  6. K. Yasui, Appl. Opt. 35, 2566 (1996).
    [CrossRef] [PubMed]

1996 (2)

1992 (1)

Avizonis, P.

Bass, I. L.

J. J. Chang, E. P. Dragon, C. A. Ebbers, I. L. Bass, and C. W. Cochran, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), p. 300.

Beach, R.

Beach, R. J.

Benett, W.

Burchman, D.

J. Machan, R. Moyer, D. Hoffmaster, J. Zamel, D. Burchman, R. Tinti, G. Holleman, L. Marabella, and H. Injeyan, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), pp. 263–265.

Chang, J. J.

J. J. Chang, E. P. Dragon, C. A. Ebbers, I. L. Bass, and C. W. Cochran, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), p. 300.

Cochran, C. W.

J. J. Chang, E. P. Dragon, C. A. Ebbers, I. L. Bass, and C. W. Cochran, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), p. 300.

Davin, J.

Dragon, E. P.

J. J. Chang, E. P. Dragon, C. A. Ebbers, I. L. Bass, and C. W. Cochran, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), p. 300.

Ebbers, C. A.

J. J. Chang, E. P. Dragon, C. A. Ebbers, I. L. Bass, and C. W. Cochran, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), p. 300.

Freitas, B.

Hoffmaster, D.

J. Machan, R. Moyer, D. Hoffmaster, J. Zamel, D. Burchman, R. Tinti, G. Holleman, L. Marabella, and H. Injeyan, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), pp. 263–265.

Holleman, G.

J. Machan, R. Moyer, D. Hoffmaster, J. Zamel, D. Burchman, R. Tinti, G. Holleman, L. Marabella, and H. Injeyan, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), pp. 263–265.

Iehisa, N.

M. Sato, S. Naito, H. Machida, N. Iehisa, and N. Karube, in Advanced Solid-State Lasers, M. Fejer, H. Injeyan, and U. Keller, eds., Vol. 26 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1999), p. 2.

Injeyan, H.

J. Machan, R. Moyer, D. Hoffmaster, J. Zamel, D. Burchman, R. Tinti, G. Holleman, L. Marabella, and H. Injeyan, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), pp. 263–265.

Karube, N.

M. Sato, S. Naito, H. Machida, N. Iehisa, and N. Karube, in Advanced Solid-State Lasers, M. Fejer, H. Injeyan, and U. Keller, eds., Vol. 26 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1999), p. 2.

Machan, J.

J. Machan, R. Moyer, D. Hoffmaster, J. Zamel, D. Burchman, R. Tinti, G. Holleman, L. Marabella, and H. Injeyan, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), pp. 263–265.

Machida, H.

M. Sato, S. Naito, H. Machida, N. Iehisa, and N. Karube, in Advanced Solid-State Lasers, M. Fejer, H. Injeyan, and U. Keller, eds., Vol. 26 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1999), p. 2.

Marabella, L.

J. Machan, R. Moyer, D. Hoffmaster, J. Zamel, D. Burchman, R. Tinti, G. Holleman, L. Marabella, and H. Injeyan, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), pp. 263–265.

Mitchell, S.

Moyer, R.

J. Machan, R. Moyer, D. Hoffmaster, J. Zamel, D. Burchman, R. Tinti, G. Holleman, L. Marabella, and H. Injeyan, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), pp. 263–265.

Naito, S.

M. Sato, S. Naito, H. Machida, N. Iehisa, and N. Karube, in Advanced Solid-State Lasers, M. Fejer, H. Injeyan, and U. Keller, eds., Vol. 26 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1999), p. 2.

Sato, M.

M. Sato, S. Naito, H. Machida, N. Iehisa, and N. Karube, in Advanced Solid-State Lasers, M. Fejer, H. Injeyan, and U. Keller, eds., Vol. 26 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1999), p. 2.

Solarz, R.

Tinti, R.

J. Machan, R. Moyer, D. Hoffmaster, J. Zamel, D. Burchman, R. Tinti, G. Holleman, L. Marabella, and H. Injeyan, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), pp. 263–265.

Yasui, K.

Zamel, J.

J. Machan, R. Moyer, D. Hoffmaster, J. Zamel, D. Burchman, R. Tinti, G. Holleman, L. Marabella, and H. Injeyan, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), pp. 263–265.

Appl. Opt. (2)

Opt. Lett. (1)

Other (3)

J. Machan, R. Moyer, D. Hoffmaster, J. Zamel, D. Burchman, R. Tinti, G. Holleman, L. Marabella, and H. Injeyan, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), pp. 263–265.

M. Sato, S. Naito, H. Machida, N. Iehisa, and N. Karube, in Advanced Solid-State Lasers, M. Fejer, H. Injeyan, and U. Keller, eds., Vol. 26 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1999), p. 2.

J. J. Chang, E. P. Dragon, C. A. Ebbers, I. L. Bass, and C. W. Cochran, in Advanced Solid-State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D. C., 1998), p. 300.

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Figures (5)

Fig. 1
Fig. 1

Schematic of the pump module with six one-dimensional diode stacks.

Fig. 2
Fig. 2

Calculated far-field pump-beam profile in the slow-axis direction after passage through the wedge lens.

Fig. 3
Fig. 3

(a) Measured and (b) calculated pump distributions for a 6-mm-diameter Nd:YAG rod.

Fig. 4
Fig. 4

Average output power as a function of the total electrical input for the diode stacks.

Fig. 5
Fig. 5

Pumping efficiency calculated from the experimental results. The pumping efficiency is defined as a fraction of total pump photons extracted from the diode stacks that contributes to the population inversion.

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