Abstract

We report the use of gain guiding in a Ti:Al2O3 rod to produce 150-mJ tunable pulses from a flat–flat resonator with an excellent efficiency. The output beam is Gaussian and 1.3 times diffraction limited.

© 1993 Optical Society of America

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References

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  1. G. A. Rines, P. F. Moulton, Opt. Lett. 15, 434 (1990).
    [CrossRef] [PubMed]
  2. F. Salin, J. Squier, Opt. Lett. 17, 1352 (1992).
    [CrossRef] [PubMed]
  3. F. Salin, J. Squier, D. Harter, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1992), paper TA1.
  4. H. Kogelnik, Appl. Opt. 4, 1562 (1965).
    [CrossRef]
  5. L. W. Casperson, A. Yariv, Appl. Phys. Lett. 12, 355 (1968).
    [CrossRef]
  6. L. G. DeShazer, J. M. Eggleston, K. W. Kangas, Opt. Lett. 13, 363 (1988).
    [CrossRef] [PubMed]
  7. C. E. Hamilton, Opt. Lett. 17, 728 (1992).
    [CrossRef] [PubMed]
  8. A. J. W. Brown, K. W. Kangas, C. H. Fisher, in Advanced Solid State Lasers, G. Dubé, L. Chase, eds., Vol. 10 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1991), p. 132.
  9. R. G. Beausoleil, Cygnus Laser Corporation, P.O. Box 1679, Duvall, Wash. 98019-1679 (personal communication, 1992).

1992 (2)

1990 (1)

1988 (1)

1968 (1)

L. W. Casperson, A. Yariv, Appl. Phys. Lett. 12, 355 (1968).
[CrossRef]

1965 (1)

Beausoleil, R. G.

R. G. Beausoleil, Cygnus Laser Corporation, P.O. Box 1679, Duvall, Wash. 98019-1679 (personal communication, 1992).

Brown, A. J. W.

A. J. W. Brown, K. W. Kangas, C. H. Fisher, in Advanced Solid State Lasers, G. Dubé, L. Chase, eds., Vol. 10 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1991), p. 132.

Casperson, L. W.

L. W. Casperson, A. Yariv, Appl. Phys. Lett. 12, 355 (1968).
[CrossRef]

DeShazer, L. G.

Eggleston, J. M.

Fisher, C. H.

A. J. W. Brown, K. W. Kangas, C. H. Fisher, in Advanced Solid State Lasers, G. Dubé, L. Chase, eds., Vol. 10 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1991), p. 132.

Hamilton, C. E.

Harter, D.

F. Salin, J. Squier, D. Harter, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1992), paper TA1.

Kangas, K. W.

L. G. DeShazer, J. M. Eggleston, K. W. Kangas, Opt. Lett. 13, 363 (1988).
[CrossRef] [PubMed]

A. J. W. Brown, K. W. Kangas, C. H. Fisher, in Advanced Solid State Lasers, G. Dubé, L. Chase, eds., Vol. 10 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1991), p. 132.

Kogelnik, H.

Moulton, P. F.

Rines, G. A.

Salin, F.

F. Salin, J. Squier, Opt. Lett. 17, 1352 (1992).
[CrossRef] [PubMed]

F. Salin, J. Squier, D. Harter, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1992), paper TA1.

Squier, J.

F. Salin, J. Squier, Opt. Lett. 17, 1352 (1992).
[CrossRef] [PubMed]

F. Salin, J. Squier, D. Harter, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1992), paper TA1.

Yariv, A.

L. W. Casperson, A. Yariv, Appl. Phys. Lett. 12, 355 (1968).
[CrossRef]

Appl. Opt. (1)

Appl. Phys. Lett. (1)

L. W. Casperson, A. Yariv, Appl. Phys. Lett. 12, 355 (1968).
[CrossRef]

Opt. Lett. (4)

Other (3)

F. Salin, J. Squier, D. Harter, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1992), paper TA1.

A. J. W. Brown, K. W. Kangas, C. H. Fisher, in Advanced Solid State Lasers, G. Dubé, L. Chase, eds., Vol. 10 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1991), p. 132.

R. G. Beausoleil, Cygnus Laser Corporation, P.O. Box 1679, Duvall, Wash. 98019-1679 (personal communication, 1992).

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Figures (6)

Fig. 1
Fig. 1

Experimental setup. M1 and M2 are flat mirrors. The pump beam was focused with 50-cm focal-length lenses on both sides of the 1 cm × 1 cm × 1.5 cm crystal.

Fig. 2
Fig. 2

Output energy at 790 nm versus pump energy for different output-coupler reflectivities: R = 60% (circles), R = 30% (squares), and R = 10% (diamonds). In each case, the slope efficiency is ~50%.

Fig. 3
Fig. 3

Output energy at 790 nm versus energy stored in upper level of the laser transition. Saturation of the absorption of the Ti:Al2O3 crystal is taken into account. The slope efficiency of 87% means that most of the available energy is transferred to the output beam.

Fig. 4
Fig. 4

Near-field profiles of the output beam: (a) horizontal, (b) vertical, and (c) three-dimensional plot. This picture is taken at 80 mJ of output energy.

Fig. 5
Fig. 5

Far-field profiles of the output beam taken at the focal point of a 1-m focal-length lens: (a) horizontal, (b) vertical, and (c) three-dimensional plot. This picture is taken at 80 mJ of output energy.

Fig. 6
Fig. 6

M2 parameter (diamonds) and asymmetry (squares) of the output beam versus output energy.

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