Abstract

We report 2.1 W of unidirectional single-frequency laser output from a novel Nd:YAG ring laser longitudinally pumped by a laser diode bar. The resonator requires only a single discrete optic and magnet, in addition to the laser medium, for stable multiwatt single-frequency operation. Undoped YAG is diffusion bonded to the Nd:YAG laser crystal at the pump face to eliminate residual spatial hole burning and improve thermal conductivity. This new laser design can be scaled to higher powers through more facile diode access and is useful for cw intracavity doubling.

© 1995 Optical Society of America

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  1. W. J. Kozlovsky, C. D. Nabors, R. L. Byer, IEEE J. Quantum Electron. 24, 913 (1988).
    [CrossRef]
  2. D. C. Gerstenberger, G. E. Tye, R. W. Wallace, Opt. Lett. 16, 992 (1991).
    [CrossRef] [PubMed]
  3. J. L. Nightingale, J. K. Johnson, in Conference on Lasers and Electro-Optics, Vol. 12 of 1992 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1992), paper CM18.
  4. A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), Chap. 13.6.
  5. T. J. Kane, R. L. Byer, Opt. Lett. 10, 65 (1985).
    [CrossRef] [PubMed]
  6. A. J. Alfrey, IEEE J. Quantum Electron. 30, 2350 (1994).
    [CrossRef]
  7. A. B. Neilson, W. A. Clarkson, D. C. Hanna, Opt. Lett. 18, 1426 (1993).
    [CrossRef] [PubMed]
  8. T. S. Rose, J. S. Swenson, D. A. Hinkley, R. A. Fields, in Advanced Solid-State Lasers, T. Y. Fan, B. H. T. Chai, eds., Vol. 20 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1994), pp. 276–279.
  9. G. T. Maker, G. P. A. Malcolm, A. I. Ferguson, Opt. Lett. 18, 1813 (1993).
    [CrossRef] [PubMed]
  10. W. A. Clarkson, A. B. Neilson, D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), p. 360.

1994 (1)

A. J. Alfrey, IEEE J. Quantum Electron. 30, 2350 (1994).
[CrossRef]

1993 (2)

1991 (1)

1988 (1)

W. J. Kozlovsky, C. D. Nabors, R. L. Byer, IEEE J. Quantum Electron. 24, 913 (1988).
[CrossRef]

1986 (1)

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), Chap. 13.6.

1985 (1)

Alfrey, A. J.

A. J. Alfrey, IEEE J. Quantum Electron. 30, 2350 (1994).
[CrossRef]

Byer, R. L.

W. J. Kozlovsky, C. D. Nabors, R. L. Byer, IEEE J. Quantum Electron. 24, 913 (1988).
[CrossRef]

T. J. Kane, R. L. Byer, Opt. Lett. 10, 65 (1985).
[CrossRef] [PubMed]

Clarkson, W. A.

A. B. Neilson, W. A. Clarkson, D. C. Hanna, Opt. Lett. 18, 1426 (1993).
[CrossRef] [PubMed]

W. A. Clarkson, A. B. Neilson, D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), p. 360.

Ferguson, A. I.

Fields, R. A.

T. S. Rose, J. S. Swenson, D. A. Hinkley, R. A. Fields, in Advanced Solid-State Lasers, T. Y. Fan, B. H. T. Chai, eds., Vol. 20 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1994), pp. 276–279.

Gerstenberger, D. C.

Hanna, D. C.

A. B. Neilson, W. A. Clarkson, D. C. Hanna, Opt. Lett. 18, 1426 (1993).
[CrossRef] [PubMed]

W. A. Clarkson, A. B. Neilson, D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), p. 360.

Hinkley, D. A.

T. S. Rose, J. S. Swenson, D. A. Hinkley, R. A. Fields, in Advanced Solid-State Lasers, T. Y. Fan, B. H. T. Chai, eds., Vol. 20 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1994), pp. 276–279.

Johnson, J. K.

J. L. Nightingale, J. K. Johnson, in Conference on Lasers and Electro-Optics, Vol. 12 of 1992 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1992), paper CM18.

Kane, T. J.

Kozlovsky, W. J.

W. J. Kozlovsky, C. D. Nabors, R. L. Byer, IEEE J. Quantum Electron. 24, 913 (1988).
[CrossRef]

Maker, G. T.

Malcolm, G. P. A.

Nabors, C. D.

W. J. Kozlovsky, C. D. Nabors, R. L. Byer, IEEE J. Quantum Electron. 24, 913 (1988).
[CrossRef]

Neilson, A. B.

A. B. Neilson, W. A. Clarkson, D. C. Hanna, Opt. Lett. 18, 1426 (1993).
[CrossRef] [PubMed]

W. A. Clarkson, A. B. Neilson, D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), p. 360.

Nightingale, J. L.

J. L. Nightingale, J. K. Johnson, in Conference on Lasers and Electro-Optics, Vol. 12 of 1992 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1992), paper CM18.

Rose, T. S.

T. S. Rose, J. S. Swenson, D. A. Hinkley, R. A. Fields, in Advanced Solid-State Lasers, T. Y. Fan, B. H. T. Chai, eds., Vol. 20 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1994), pp. 276–279.

Siegman, A. E.

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), Chap. 13.6.

Swenson, J. S.

T. S. Rose, J. S. Swenson, D. A. Hinkley, R. A. Fields, in Advanced Solid-State Lasers, T. Y. Fan, B. H. T. Chai, eds., Vol. 20 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1994), pp. 276–279.

Tye, G. E.

Wallace, R. W.

IEEE J. Quantum Electron. (2)

W. J. Kozlovsky, C. D. Nabors, R. L. Byer, IEEE J. Quantum Electron. 24, 913 (1988).
[CrossRef]

A. J. Alfrey, IEEE J. Quantum Electron. 30, 2350 (1994).
[CrossRef]

Lasers (1)

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), Chap. 13.6.

Opt. Lett. (4)

Other (3)

W. A. Clarkson, A. B. Neilson, D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), p. 360.

T. S. Rose, J. S. Swenson, D. A. Hinkley, R. A. Fields, in Advanced Solid-State Lasers, T. Y. Fan, B. H. T. Chai, eds., Vol. 20 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1994), pp. 276–279.

J. L. Nightingale, J. K. Johnson, in Conference on Lasers and Electro-Optics, Vol. 12 of 1992 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1992), paper CM18.

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Figures (3)

Fig. 1
Fig. 1

(a) Laser crystal schematic: overlap between the incident and reflected laser beams in the 2-mm undoped YAG portion is shaded. (b) Optical schematic of the semimonolithic ring laser.

Fig. 2
Fig. 2

Optical output versus incident pump power. Dashed curves, Ti:sapphire pumping; solid curves, diode bar pumping. The open and filled squares represent the 3-and 8-cm ROC slabs, respectively. The 8-cm ROC diode-pumped curve is for undirectional performance, while all other curves are for bidirectional operation.

Fig. 3
Fig. 3

Burleigh PLSA-3500 spectrum analysis of unidirectional ring output (free spectral range 10.3 GHz): (a) measurement at 650-mW TEM00 output, (b) measurement at full power showing small satellite non-TEM00 output (<5% of total power).

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