Abstract

We demonstrate 1.1-W cw output power from a diode-laser array-pumped Cr:LiSAF laser based on a concept that allows for pumping low-gain solid-state lasers at reduced temperature rise. We discuss scaling to higher powers as a function of diode power and define a figure of merit for evaluating given diode lasers as pump sources for low-gain solid-state lasers.

© 1997 Optical Society of America

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References

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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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1996

D. Kopf, T. Strässle, G. Zhang, F. X. Kärtner, U. Keller, M. Moser, D. Jubin, K. J. Weingarten, M. A. Emanuel, R. J. Beach, and J. A. Skidmore, Proc. SPIE 2701, 11 (1996).
[CrossRef]

W. A. Clarkson and D. C. Hanna, Opt. Lett. 21, 375 (1996).
[CrossRef] [PubMed]

1995

1994

1992

1991

1990

T. Y. Fan and A. Sanchez, IEEE J. Quantum Electron. 26, 311 (1990).
[CrossRef]

1988

T. Y. Fan and R. L. Byer, IEEE J. Quantum Electron. 24, 895 (1988).
[CrossRef]

Aus der Au, J.

Baltes, H.

J. G. Korvink, J. Funk, and H. Baltes, Sensors Mater. 6, 235 (1994).

Barry, N. P.

Bass, M.

Beach, R. J.

D. Kopf, T. Strässle, G. Zhang, F. X. Kärtner, U. Keller, M. Moser, D. Jubin, K. J. Weingarten, M. A. Emanuel, R. J. Beach, and J. A. Skidmore, Proc. SPIE 2701, 11 (1996).
[CrossRef]

J. A. Skidmore, M. A. Emanuel, R. J. Beach, W. J. Benett, B. L. Freitas, N. W. Carlson, and R. W. Solarz, Appl. Phys. Lett. 66, 1163 (1995).
[CrossRef]

S. A. Payne, L. K. Smith, R. J. Beach, B. H. T. Chai, J. H. Tassano, L. D. DeLoach, W. L. Kway, R. W. Solarz, and W. F. Krupke, Appl. Opt. 33, 5526 (1994).
[CrossRef] [PubMed]

D. Kopf, U. Keller, R. J. Beach, M. A. Emanuel, and J. A. Skidmore, in Advanced Solid-State Lasers, Vol. 1 of Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1996), p. 117.

Benett, W. J.

J. A. Skidmore, M. A. Emanuel, R. J. Beach, W. J. Benett, B. L. Freitas, N. W. Carlson, and R. W. Solarz, Appl. Phys. Lett. 66, 1163 (1995).
[CrossRef]

Bona, G. L.

Brabec, T.

Brovelli, L.

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, and U. Keller, Opt. Lett. 19, 2143 (1994).
[CrossRef] [PubMed]

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, and U. Keller, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper CPD22.

Byer, R. L.

T. Y. Fan and R. L. Byer, IEEE J. Quantum Electron. 24, 895 (1988).
[CrossRef]

Carlson, N. W.

J. A. Skidmore, M. A. Emanuel, R. J. Beach, W. J. Benett, B. L. Freitas, N. W. Carlson, and R. W. Solarz, Appl. Phys. Lett. 66, 1163 (1995).
[CrossRef]

Chai, B. H. T.

Clarkson, W. A.

DeLoach, L. D.

Emanuel, M. A.

D. Kopf, T. Strässle, G. Zhang, F. X. Kärtner, U. Keller, M. Moser, D. Jubin, K. J. Weingarten, M. A. Emanuel, R. J. Beach, and J. A. Skidmore, Proc. SPIE 2701, 11 (1996).
[CrossRef]

J. A. Skidmore, M. A. Emanuel, R. J. Beach, W. J. Benett, B. L. Freitas, N. W. Carlson, and R. W. Solarz, Appl. Phys. Lett. 66, 1163 (1995).
[CrossRef]

D. Kopf, U. Keller, R. J. Beach, M. A. Emanuel, and J. A. Skidmore, in Advanced Solid-State Lasers, Vol. 1 of Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1996), p. 117.

Fan, T. Y.

T. Y. Fan and A. Sanchez, IEEE J. Quantum Electron. 26, 311 (1990).
[CrossRef]

T. Y. Fan and R. L. Byer, IEEE J. Quantum Electron. 24, 895 (1988).
[CrossRef]

Freitas, B. L.

J. A. Skidmore, M. A. Emanuel, R. J. Beach, W. J. Benett, B. L. Freitas, N. W. Carlson, and R. W. Solarz, Appl. Phys. Lett. 66, 1163 (1995).
[CrossRef]

French, P. M. W.

Funk, J.

J. G. Korvink, J. Funk, and H. Baltes, Sensors Mater. 6, 235 (1994).

Hanna, D. C.

Hyde, S. C. W.

Jones, R.

Jubin, D.

D. Kopf, T. Strässle, G. Zhang, F. X. Kärtner, U. Keller, M. Moser, D. Jubin, K. J. Weingarten, M. A. Emanuel, R. J. Beach, and J. A. Skidmore, Proc. SPIE 2701, 11 (1996).
[CrossRef]

Kamp, M.

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, and U. Keller, Opt. Lett. 19, 2143 (1994).
[CrossRef] [PubMed]

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, and U. Keller, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper CPD22.

Kärtner, F. X.

D. Kopf, T. Strässle, G. Zhang, F. X. Kärtner, U. Keller, M. Moser, D. Jubin, K. J. Weingarten, M. A. Emanuel, R. J. Beach, and J. A. Skidmore, Proc. SPIE 2701, 11 (1996).
[CrossRef]

Keller, U.

D. Kopf, T. Strässle, G. Zhang, F. X. Kärtner, U. Keller, M. Moser, D. Jubin, K. J. Weingarten, M. A. Emanuel, R. J. Beach, and J. A. Skidmore, Proc. SPIE 2701, 11 (1996).
[CrossRef]

D. Kopf, J. Aus der Au, U. Keller, G. L. Bona, and P. Roentgen, Opt. Lett. 20, 1782 (1995).
[CrossRef]

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, and U. Keller, Opt. Lett. 19, 2143 (1994).
[CrossRef] [PubMed]

D. Kopf, U. Keller, R. J. Beach, M. A. Emanuel, and J. A. Skidmore, in Advanced Solid-State Lasers, Vol. 1 of Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1996), p. 117.

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, and U. Keller, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper CPD22.

Kopf, D.

D. Kopf, T. Strässle, G. Zhang, F. X. Kärtner, U. Keller, M. Moser, D. Jubin, K. J. Weingarten, M. A. Emanuel, R. J. Beach, and J. A. Skidmore, Proc. SPIE 2701, 11 (1996).
[CrossRef]

D. Kopf, J. Aus der Au, U. Keller, G. L. Bona, and P. Roentgen, Opt. Lett. 20, 1782 (1995).
[CrossRef]

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, and U. Keller, Opt. Lett. 19, 2143 (1994).
[CrossRef] [PubMed]

D. Kopf, U. Keller, R. J. Beach, M. A. Emanuel, and J. A. Skidmore, in Advanced Solid-State Lasers, Vol. 1 of Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1996), p. 117.

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, and U. Keller, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper CPD22.

Korvink, J. G.

J. G. Korvink, J. Funk, and H. Baltes, Sensors Mater. 6, 235 (1994).

Krausz, F.

Krupke, W. F.

Kway, W. L.

Mellish, R.

Moser, M.

D. Kopf, T. Strässle, G. Zhang, F. X. Kärtner, U. Keller, M. Moser, D. Jubin, K. J. Weingarten, M. A. Emanuel, R. J. Beach, and J. A. Skidmore, Proc. SPIE 2701, 11 (1996).
[CrossRef]

Payne, S. A.

Poel, C. J. v. d.

Roentgen, P.

Sanchez, A.

T. Y. Fan and A. Sanchez, IEEE J. Quantum Electron. 26, 311 (1990).
[CrossRef]

Sasnett, M. W.

M. W. Sasnett, in The Physics and Technology of Laser Resonators, D. R. Hall and P. E. Jackson, eds. (Hilger, New York, 1989), p. 132.

Shannon, D. C.

Skidmore, J. A.

D. Kopf, T. Strässle, G. Zhang, F. X. Kärtner, U. Keller, M. Moser, D. Jubin, K. J. Weingarten, M. A. Emanuel, R. J. Beach, and J. A. Skidmore, Proc. SPIE 2701, 11 (1996).
[CrossRef]

J. A. Skidmore, M. A. Emanuel, R. J. Beach, W. J. Benett, B. L. Freitas, N. W. Carlson, and R. W. Solarz, Appl. Phys. Lett. 66, 1163 (1995).
[CrossRef]

D. Kopf, U. Keller, R. J. Beach, M. A. Emanuel, and J. A. Skidmore, in Advanced Solid-State Lasers, Vol. 1 of Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1996), p. 117.

Smith, L. K.

Solarz, R. W.

J. A. Skidmore, M. A. Emanuel, R. J. Beach, W. J. Benett, B. L. Freitas, N. W. Carlson, and R. W. Solarz, Appl. Phys. Lett. 66, 1163 (1995).
[CrossRef]

S. A. Payne, L. K. Smith, R. J. Beach, B. H. T. Chai, J. H. Tassano, L. D. DeLoach, W. L. Kway, R. W. Solarz, and W. F. Krupke, Appl. Opt. 33, 5526 (1994).
[CrossRef] [PubMed]

Stalder, M.

Strässle, T.

D. Kopf, T. Strässle, G. Zhang, F. X. Kärtner, U. Keller, M. Moser, D. Jubin, K. J. Weingarten, M. A. Emanuel, R. J. Beach, and J. A. Skidmore, Proc. SPIE 2701, 11 (1996).
[CrossRef]

Tassano, J. H.

Taylor, J. R.

Valster, A.

Wallace, R. W.

Weingarten, K. J.

D. Kopf, T. Strässle, G. Zhang, F. X. Kärtner, U. Keller, M. Moser, D. Jubin, K. J. Weingarten, M. A. Emanuel, R. J. Beach, and J. A. Skidmore, Proc. SPIE 2701, 11 (1996).
[CrossRef]

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, and U. Keller, Opt. Lett. 19, 2143 (1994).
[CrossRef] [PubMed]

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, and U. Keller, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper CPD22.

Wintner, E.

Zehetner, J.

Zhang, G.

D. Kopf, T. Strässle, G. Zhang, F. X. Kärtner, U. Keller, M. Moser, D. Jubin, K. J. Weingarten, M. A. Emanuel, R. J. Beach, and J. A. Skidmore, Proc. SPIE 2701, 11 (1996).
[CrossRef]

Appl. Opt.

Appl. Phys. Lett.

J. A. Skidmore, M. A. Emanuel, R. J. Beach, W. J. Benett, B. L. Freitas, N. W. Carlson, and R. W. Solarz, Appl. Phys. Lett. 66, 1163 (1995).
[CrossRef]

IEEE J. Quantum Electron.

T. Y. Fan and A. Sanchez, IEEE J. Quantum Electron. 26, 311 (1990).
[CrossRef]

T. Y. Fan and R. L. Byer, IEEE J. Quantum Electron. 24, 895 (1988).
[CrossRef]

J. Opt. Soc. Am. B

Opt. Lett.

Proc. SPIE

D. Kopf, T. Strässle, G. Zhang, F. X. Kärtner, U. Keller, M. Moser, D. Jubin, K. J. Weingarten, M. A. Emanuel, R. J. Beach, and J. A. Skidmore, Proc. SPIE 2701, 11 (1996).
[CrossRef]

Sensors Mater.

J. G. Korvink, J. Funk, and H. Baltes, Sensors Mater. 6, 235 (1994).

Other

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, and U. Keller, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper CPD22.

M. W. Sasnett, in The Physics and Technology of Laser Resonators, D. R. Hall and P. E. Jackson, eds. (Hilger, New York, 1989), p. 132.

D. Kopf, U. Keller, R. J. Beach, M. A. Emanuel, and J. A. Skidmore, in Advanced Solid-State Lasers, Vol. 1 of Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1996), p. 117.

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Figures (3)

Fig. 1
Fig. 1

Laser setup of a diode-pumped Cr:LiSAF laser with a 1-cm-wide diode-array. HR, high reflector; HT, high transmission; ROC, radius of curvature.

Fig. 2
Fig. 2

(a) Cross-sectional view across the laser crystal with a one-dimensional heat flow (arrows) from a 2 mm×150 µm pump shot (shaded area). (b) Temperature profile through the pump spot in both transverse directions x and y, as obtained from (two-dimensional) numerical heat-flow simulations. (c) Maximum temperature rise (calculated) as the pump spot diameter in the x direction is expanded at constant pump intensity at the pump spot. For spot widths greater than 2 mm, the predominantly one-dimensional heat flow causes no significant increase in temperature rise despite the increased total amount of deposited heat.

Fig. 3
Fig. 3

Measured cw output power at 863 nm as a function of absorbed pump power from the diode-laser array pump source.

Equations (4)

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bxbyL.
Lbxy2πw0,xy2/λnMxy2.
g0PLMx2My2, FOM=PMx2My2.
FOMMx2P.

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