Abstract

We show that the proper use of a self-imaging confocal cavity can be a simple way to optimize the efficiency of optical pumping of solid-state lasers. In this type of resonator the transverse mode self-adjusts to fit the pumped volume optimally. Self-optimization of the mode size of a laser-diode pump Nd:YAG laser (54% slope efficiency) is demonstrated, and an intrinsic efficiency of 68% is measured.

© 1994 Optical Society of America

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References

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  1. P. Laporta, M. Brussard, IEEE J. Quantum Electron. 27, 2319 (1991).
    [CrossRef]
  2. W. P. Risk, J. Opt. Soc. Am. B 5, 1412 (1988).
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  3. R. Scheps, Appl. Opt. 28, 89 (1989).
    [CrossRef] [PubMed]
  4. G. D. Boyd, J. P. Gordon, Bell Syst. Tech. J. xx, 489 (1961).
  5. J. M. Burch, J. Opt. Soc. Am. 52, 602 (1962).
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  7. A. F. Savoit, E. Mottay, M. Vampouille, B. Colombeau, Opt. Lett. 18, 2117 (1993).
    [CrossRef]
  8. V. Kermene, A. F. Savoit, M. Vampouille, B. Colombeau, C. Froehly, T. Dohnalik, Opt. Lett. 17, 859 (1992).
    [CrossRef] [PubMed]
  9. T. Li, P. W. Smith, Proc. IEEE 53, 399 (1965).
    [CrossRef]
  10. V. Couderc, O. Guy, A. Barthelemy, C. Froehly, F. Louradour, 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), p. 288.
  11. D. Findlay, R. A. Clay, Phys. Lett. 20, 277 (1966).
    [CrossRef]
  12. J. A. Caird, S. A. Payne, P. R. Staver, A. J. Ramponi, L. L. Chase, W. F. Krupke, IEEE J. Quantum Electron. 24, 1077 (1988).
    [CrossRef]

1993 (1)

1992 (1)

1991 (1)

P. Laporta, M. Brussard, IEEE J. Quantum Electron. 27, 2319 (1991).
[CrossRef]

1989 (1)

1988 (2)

W. P. Risk, J. Opt. Soc. Am. B 5, 1412 (1988).
[CrossRef]

J. A. Caird, S. A. Payne, P. R. Staver, A. J. Ramponi, L. L. Chase, W. F. Krupke, IEEE J. Quantum Electron. 24, 1077 (1988).
[CrossRef]

1966 (1)

D. Findlay, R. A. Clay, Phys. Lett. 20, 277 (1966).
[CrossRef]

1965 (1)

T. Li, P. W. Smith, Proc. IEEE 53, 399 (1965).
[CrossRef]

1962 (1)

J. M. Burch, J. Opt. Soc. Am. 52, 602 (1962).

1961 (1)

G. D. Boyd, J. P. Gordon, Bell Syst. Tech. J. xx, 489 (1961).

Barthelemy, A.

V. Couderc, O. Guy, A. Barthelemy, C. Froehly, F. Louradour, 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), p. 288.

Boyd, G. D.

G. D. Boyd, J. P. Gordon, Bell Syst. Tech. J. xx, 489 (1961).

Brussard, M.

P. Laporta, M. Brussard, IEEE J. Quantum Electron. 27, 2319 (1991).
[CrossRef]

Burch, J. M.

J. M. Burch, J. Opt. Soc. Am. 52, 602 (1962).

Caird, J. A.

J. A. Caird, S. A. Payne, P. R. Staver, A. J. Ramponi, L. L. Chase, W. F. Krupke, IEEE J. Quantum Electron. 24, 1077 (1988).
[CrossRef]

Chase, L. L.

J. A. Caird, S. A. Payne, P. R. Staver, A. J. Ramponi, L. L. Chase, W. F. Krupke, IEEE J. Quantum Electron. 24, 1077 (1988).
[CrossRef]

Clay, R. A.

D. Findlay, R. A. Clay, Phys. Lett. 20, 277 (1966).
[CrossRef]

Colombeau, B.

Couderc, V.

V. Couderc, O. Guy, A. Barthelemy, C. Froehly, F. Louradour, 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), p. 288.

Dohnalik, T.

Findlay, D.

D. Findlay, R. A. Clay, Phys. Lett. 20, 277 (1966).
[CrossRef]

Froehly, C.

V. Kermene, A. F. Savoit, M. Vampouille, B. Colombeau, C. Froehly, T. Dohnalik, Opt. Lett. 17, 859 (1992).
[CrossRef] [PubMed]

V. Couderc, O. Guy, A. Barthelemy, C. Froehly, F. Louradour, 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), p. 288.

Gordon, J. P.

G. D. Boyd, J. P. Gordon, Bell Syst. Tech. J. xx, 489 (1961).

Guy, O.

V. Couderc, O. Guy, A. Barthelemy, C. Froehly, F. Louradour, 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), p. 288.

Kermene, V.

Krupke, W. F.

J. A. Caird, S. A. Payne, P. R. Staver, A. J. Ramponi, L. L. Chase, W. F. Krupke, IEEE J. Quantum Electron. 24, 1077 (1988).
[CrossRef]

Laporta, P.

P. Laporta, M. Brussard, IEEE J. Quantum Electron. 27, 2319 (1991).
[CrossRef]

Li, T.

T. Li, P. W. Smith, Proc. IEEE 53, 399 (1965).
[CrossRef]

Louradour, F.

V. Couderc, O. Guy, A. Barthelemy, C. Froehly, F. Louradour, 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), p. 288.

Mottay, E.

Payne, S. A.

J. A. Caird, S. A. Payne, P. R. Staver, A. J. Ramponi, L. L. Chase, W. F. Krupke, IEEE J. Quantum Electron. 24, 1077 (1988).
[CrossRef]

Ramponi, A. J.

J. A. Caird, S. A. Payne, P. R. Staver, A. J. Ramponi, L. L. Chase, W. F. Krupke, IEEE J. Quantum Electron. 24, 1077 (1988).
[CrossRef]

Risk, W. P.

Savoit, A. F.

Scheps, R.

Siegman, A. E.

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), p. 845.

Smith, P. W.

T. Li, P. W. Smith, Proc. IEEE 53, 399 (1965).
[CrossRef]

Staver, P. R.

J. A. Caird, S. A. Payne, P. R. Staver, A. J. Ramponi, L. L. Chase, W. F. Krupke, IEEE J. Quantum Electron. 24, 1077 (1988).
[CrossRef]

Vampouille, M.

Appl. Opt. (1)

Bell Syst. Tech. J. (1)

G. D. Boyd, J. P. Gordon, Bell Syst. Tech. J. xx, 489 (1961).

IEEE J. Quantum Electron. (2)

P. Laporta, M. Brussard, IEEE J. Quantum Electron. 27, 2319 (1991).
[CrossRef]

J. A. Caird, S. A. Payne, P. R. Staver, A. J. Ramponi, L. L. Chase, W. F. Krupke, IEEE J. Quantum Electron. 24, 1077 (1988).
[CrossRef]

J. Opt. Soc. Am. (1)

J. M. Burch, J. Opt. Soc. Am. 52, 602 (1962).

J. Opt. Soc. Am. B (1)

Opt. Lett. (2)

Phys. Lett. (1)

D. Findlay, R. A. Clay, Phys. Lett. 20, 277 (1966).
[CrossRef]

Proc. IEEE (1)

T. Li, P. W. Smith, Proc. IEEE 53, 399 (1965).
[CrossRef]

Other (2)

V. Couderc, O. Guy, A. Barthelemy, C. Froehly, F. Louradour, 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), p. 288.

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), p. 845.

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Figures (3)

Fig. 1
Fig. 1

Example of mode selection by two apertures, Al and A2, in a self-imaging confocal resonator. F is the focal length of lens L.

Fig. 2
Fig. 2

Mode selection by a three-dimensional gain distribution (shaded area) in a SIC resonator.

Fig. 3
Fig. 3

Laser power detected after the output mirror (10% transmission) versus the power inpinging upon the Nd:YAG crystal: curve #2 was measured with a crystal butted against a dichroic plane mirror, and curve #1 was measured with a crystal with dielectric coatings.

Equations (3)

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P out = T ( P in - P th ) η p J 1 2 / ( T + L ) J 2 ,
P th = ( T + L ) η p / 2 l I sat J 1 ,
η 0 = η ( T + L ) / T

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