Abstract

We demonstrate that it is possible to pump an Ng-cut Yb:KGW crystal slab with up to 18W by a single emitter laser diode and still achieve a nearly diffraction limited output beam with a M2 value below M2 < 1.1 and optical to optical efficiencies of more than 44%. Furthermore, we have measured the focal length of thermally induced lenses in an Yb:KGW crystal slab which was end-pumped by 12 W and 18 W single-emitter diodes. We have observed that the focal lengths not only depend on the pump power and beam waists, but are also dependent on the specific diode beam profile, as well as the collimation optics. We have been able to correlate this behavior with specific patterns of the beam profile.

© 2008 Optical Society of America

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    [CrossRef]
  3. J. E. Hellstrom, S. Bjurshagen, V. Pasiskevicius, J. Liu, V. Petrov, and U. Griebner, "Efficient Yb:KGW lasers end-pumped by high-power diode bars," Appl. Phys. B 83,235-239 (2006).
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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  18. A. A. Lagatsky, A. Abdolvand, and N. V. Kuleshov, "Passive Q switching and self-frequency Raman conversion in a diode-pumped Yb:KGd(WO4)2 laser," Opt. Lett. 25,616-618 (2000).
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    [CrossRef]
  21. S. Chenais, F. Druon, S. Forget, F. Balembois, and P. Georges, "On thermal effects in solid state lasers: the case of ytterbium-doped materials," http://arxiv.org/ftp/arxiv/papers/0704/0704.0701.pdf.
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    [CrossRef]

2007 (1)

V. V. Filippov, N. V. Kuleshov, and I. T. Bodnar, "Negative thermo-optical coefficients and athermal directions in monoclinc KGd(WO4)2 and KY(WO4)2 laser host crystals in teh visible region," Appl. Phys. B 87,611-614 (2007).
[CrossRef]

2006 (3)

J. E. Hellstr¨om, S. Bjurshagen, and V. Pasiskevicius "Laser performance and thermal lensing in high-power diode-pumped Yb:KGW with athermal orientation," Appl. Phys. B 83,55-59 (2006).
[CrossRef]

G. R. Holtom, "Mode-locked Yb:KGW laser longitudinally pumped by polarization-coupled diode bars," Opt. Lett. 31,2719-2721 (2006).
[CrossRef]

J. E. Hellstrom, S. Bjurshagen, V. Pasiskevicius, J. Liu, V. Petrov, and U. Griebner, "Efficient Yb:KGW lasers end-pumped by high-power diode bars," Appl. Phys. B 83,235-239 (2006).
[CrossRef]

2005 (3)

2004 (2)

A. A. Lagatsky, C. T. A. Brown, and W. Sibbett, "Highly efficient and low threshold diode-pumped Kerr-lens mode-locked Yb:KYW laser," Opt. Express 12,3928-3933 (2004).
[CrossRef]

S. Ch??enais, F. Balembois, F. Druon, G. Lucas-Leclin, and P. Georges, "Thermal Lensing in Diode-Pumped Ytterbium Lasers - Part I: Theoretical Analysis and Wavefront Measurements," IEEE J. Quantum Electron. 40,1217-1234 (2004).
[CrossRef]

2003 (1)

C. E. Mungan, "Thermodynamics of radiation-balanced lasing," J. Opt. Soc. Am. B 20,1075-1082 (2003).
[CrossRef]

2002 (1)

2001 (2)

G. Erbert, G. Beister, R. Hulsewede, A. Knauer, W. Pittroff, J. Sebastian, H. Wenzel, M. Weyers, and G. Trankle, "High-Power Highly Reliable Al-Free 940-nm Diode Lasers," IEEE J. Sel. Top. Quantum Electron. 7,143-148 (2001).
[CrossRef]

J. Sebastian, G. Beister, F. Bugge, f. Buhrandt, G. Erbert, G. H¨ansel, R. H¨ulsewede, A. Knauer, W. Pittroff, R. Staske, M. Schroder, H. Wenzel, M. Weyers, and G. Tr¨ankle, "High-Power 810-nm GaAsP-AlGaAs Diode Lasers With Narrow Beam Divergence," IEEE J. Sel. Top. Quantum Electron. 7,334-339 (2001).
[CrossRef]

2000 (2)

G. Erbert, A. Barwolff, J. Sebastian, and J. Tomm, "High-Power Broad-Area Diode Lasers and Laser Bars," Topics Appl. Phys. 78,172-223 (2000).

A. A. Lagatsky, A. Abdolvand, and N. V. Kuleshov, "Passive Q switching and self-frequency Raman conversion in a diode-pumped Yb:KGd(WO4)2 laser," Opt. Lett. 25,616-618 (2000).
[CrossRef]

1999 (1)

C. H¨onninger, R. Paschotta, M. Graf, F. Morier-Genoud, G. Zhang, M. Moser, S. Biswal, J. Nees, A. Braun, G. A. Mourou, I. Johannsen, A. Giessen, W. Seeber, and U. Keller, "Ultrafast ytterbium-doped bulk lasers and laser amplifiers," Appl. Phys. B 69,3-17 (1999).
[CrossRef]

1995 (1)

I. V. Mochalov, "Nonlinear optics of the potassium gadolinium tungstate laser crystal Nd3+:KGd(WO4)2," J. Opt. Technol. 62,746-756 (1995).

Abdolvand, A.

Balembois, F.

S. Ch??enais, F. Balembois, F. Druon, G. Lucas-Leclin, and P. Georges, "Thermal Lensing in Diode-Pumped Ytterbium Lasers - Part I: Theoretical Analysis and Wavefront Measurements," IEEE J. Quantum Electron. 40,1217-1234 (2004).
[CrossRef]

Barwolff, A.

G. Erbert, A. Barwolff, J. Sebastian, and J. Tomm, "High-Power Broad-Area Diode Lasers and Laser Bars," Topics Appl. Phys. 78,172-223 (2000).

Beister, G.

J. Sebastian, G. Beister, F. Bugge, f. Buhrandt, G. Erbert, G. H¨ansel, R. H¨ulsewede, A. Knauer, W. Pittroff, R. Staske, M. Schroder, H. Wenzel, M. Weyers, and G. Tr¨ankle, "High-Power 810-nm GaAsP-AlGaAs Diode Lasers With Narrow Beam Divergence," IEEE J. Sel. Top. Quantum Electron. 7,334-339 (2001).
[CrossRef]

G. Erbert, G. Beister, R. Hulsewede, A. Knauer, W. Pittroff, J. Sebastian, H. Wenzel, M. Weyers, and G. Trankle, "High-Power Highly Reliable Al-Free 940-nm Diode Lasers," IEEE J. Sel. Top. Quantum Electron. 7,143-148 (2001).
[CrossRef]

Biswal, S.

S. Biswal, S. P. O??Connor, and S. Steven, "Thermo-optical parameters measured in ytterbium-doped potassium gadolinium tungstate" Appl. Opt. 44,3093-3097 (2005).
[CrossRef]

C. H¨onninger, R. Paschotta, M. Graf, F. Morier-Genoud, G. Zhang, M. Moser, S. Biswal, J. Nees, A. Braun, G. A. Mourou, I. Johannsen, A. Giessen, W. Seeber, and U. Keller, "Ultrafast ytterbium-doped bulk lasers and laser amplifiers," Appl. Phys. B 69,3-17 (1999).
[CrossRef]

Bjurshagen, S.

J. E. Hellstr¨om, S. Bjurshagen, and V. Pasiskevicius "Laser performance and thermal lensing in high-power diode-pumped Yb:KGW with athermal orientation," Appl. Phys. B 83,55-59 (2006).
[CrossRef]

Bjurshfagen, S.

J. E. Hellstrom, S. Bjurshagen, V. Pasiskevicius, J. Liu, V. Petrov, and U. Griebner, "Efficient Yb:KGW lasers end-pumped by high-power diode bars," Appl. Phys. B 83,235-239 (2006).
[CrossRef]

Bodnar, I. T.

V. V. Filippov, N. V. Kuleshov, and I. T. Bodnar, "Negative thermo-optical coefficients and athermal directions in monoclinc KGd(WO4)2 and KY(WO4)2 laser host crystals in teh visible region," Appl. Phys. B 87,611-614 (2007).
[CrossRef]

Braun, A.

C. H¨onninger, R. Paschotta, M. Graf, F. Morier-Genoud, G. Zhang, M. Moser, S. Biswal, J. Nees, A. Braun, G. A. Mourou, I. Johannsen, A. Giessen, W. Seeber, and U. Keller, "Ultrafast ytterbium-doped bulk lasers and laser amplifiers," Appl. Phys. B 69,3-17 (1999).
[CrossRef]

Brown, C. T. A.

Brunner, F.

Bugge, F.

J. Sebastian, G. Beister, F. Bugge, f. Buhrandt, G. Erbert, G. H¨ansel, R. H¨ulsewede, A. Knauer, W. Pittroff, R. Staske, M. Schroder, H. Wenzel, M. Weyers, and G. Tr¨ankle, "High-Power 810-nm GaAsP-AlGaAs Diode Lasers With Narrow Beam Divergence," IEEE J. Sel. Top. Quantum Electron. 7,334-339 (2001).
[CrossRef]

Chenais, S.

S. Ch??enais, F. Balembois, F. Druon, G. Lucas-Leclin, and P. Georges, "Thermal Lensing in Diode-Pumped Ytterbium Lasers - Part I: Theoretical Analysis and Wavefront Measurements," IEEE J. Quantum Electron. 40,1217-1234 (2004).
[CrossRef]

Druon, F.

S. Ch??enais, F. Balembois, F. Druon, G. Lucas-Leclin, and P. Georges, "Thermal Lensing in Diode-Pumped Ytterbium Lasers - Part I: Theoretical Analysis and Wavefront Measurements," IEEE J. Quantum Electron. 40,1217-1234 (2004).
[CrossRef]

Erbert, G.

G. Erbert, G. Beister, R. Hulsewede, A. Knauer, W. Pittroff, J. Sebastian, H. Wenzel, M. Weyers, and G. Trankle, "High-Power Highly Reliable Al-Free 940-nm Diode Lasers," IEEE J. Sel. Top. Quantum Electron. 7,143-148 (2001).
[CrossRef]

G. Erbert, A. Barwolff, J. Sebastian, and J. Tomm, "High-Power Broad-Area Diode Lasers and Laser Bars," Topics Appl. Phys. 78,172-223 (2000).

Filippov, V. V.

V. V. Filippov, N. V. Kuleshov, and I. T. Bodnar, "Negative thermo-optical coefficients and athermal directions in monoclinc KGd(WO4)2 and KY(WO4)2 laser host crystals in teh visible region," Appl. Phys. B 87,611-614 (2007).
[CrossRef]

Georges, P.

S. Ch??enais, F. Balembois, F. Druon, G. Lucas-Leclin, and P. Georges, "Thermal Lensing in Diode-Pumped Ytterbium Lasers - Part I: Theoretical Analysis and Wavefront Measurements," IEEE J. Quantum Electron. 40,1217-1234 (2004).
[CrossRef]

Giessen, A.

C. H¨onninger, R. Paschotta, M. Graf, F. Morier-Genoud, G. Zhang, M. Moser, S. Biswal, J. Nees, A. Braun, G. A. Mourou, I. Johannsen, A. Giessen, W. Seeber, and U. Keller, "Ultrafast ytterbium-doped bulk lasers and laser amplifiers," Appl. Phys. B 69,3-17 (1999).
[CrossRef]

Graf, M.

C. H¨onninger, R. Paschotta, M. Graf, F. Morier-Genoud, G. Zhang, M. Moser, S. Biswal, J. Nees, A. Braun, G. A. Mourou, I. Johannsen, A. Giessen, W. Seeber, and U. Keller, "Ultrafast ytterbium-doped bulk lasers and laser amplifiers," Appl. Phys. B 69,3-17 (1999).
[CrossRef]

Griebner, U.

J. E. Hellstrom, S. Bjurshagen, V. Pasiskevicius, J. Liu, V. Petrov, and U. Griebner, "Efficient Yb:KGW lasers end-pumped by high-power diode bars," Appl. Phys. B 83,235-239 (2006).
[CrossRef]

Hellstr¨om, J. E.

J. E. Hellstr¨om, S. Bjurshagen, and V. Pasiskevicius "Laser performance and thermal lensing in high-power diode-pumped Yb:KGW with athermal orientation," Appl. Phys. B 83,55-59 (2006).
[CrossRef]

Hellstrom, J. E.

J. E. Hellstrom, S. Bjurshagen, V. Pasiskevicius, J. Liu, V. Petrov, and U. Griebner, "Efficient Yb:KGW lasers end-pumped by high-power diode bars," Appl. Phys. B 83,235-239 (2006).
[CrossRef]

Holtom, G. R.

Honninger, C.

C. H¨onninger, R. Paschotta, M. Graf, F. Morier-Genoud, G. Zhang, M. Moser, S. Biswal, J. Nees, A. Braun, G. A. Mourou, I. Johannsen, A. Giessen, W. Seeber, and U. Keller, "Ultrafast ytterbium-doped bulk lasers and laser amplifiers," Appl. Phys. B 69,3-17 (1999).
[CrossRef]

Hulsewede, R.

G. Erbert, G. Beister, R. Hulsewede, A. Knauer, W. Pittroff, J. Sebastian, H. Wenzel, M. Weyers, and G. Trankle, "High-Power Highly Reliable Al-Free 940-nm Diode Lasers," IEEE J. Sel. Top. Quantum Electron. 7,143-148 (2001).
[CrossRef]

Ikegawa, T.

T. Kawashima, T. Kurita, O. Matsumoto, T. Ikegawa, T. Sekine, M. Miyamoto, K Iyama, H. Kan, and Y. Tsuchiya, "20-J Diode-Pumped Zig-Zag Slab Laser with 2-GW Peak Power and 200-W Average Power," ASSP 2005, TuB44 (2005).

Innerhofer, E.

Iyama, K

T. Kawashima, T. Kurita, O. Matsumoto, T. Ikegawa, T. Sekine, M. Miyamoto, K Iyama, H. Kan, and Y. Tsuchiya, "20-J Diode-Pumped Zig-Zag Slab Laser with 2-GW Peak Power and 200-W Average Power," ASSP 2005, TuB44 (2005).

Johannsen, I.

C. H¨onninger, R. Paschotta, M. Graf, F. Morier-Genoud, G. Zhang, M. Moser, S. Biswal, J. Nees, A. Braun, G. A. Mourou, I. Johannsen, A. Giessen, W. Seeber, and U. Keller, "Ultrafast ytterbium-doped bulk lasers and laser amplifiers," Appl. Phys. B 69,3-17 (1999).
[CrossRef]

Kan, H.

T. Kawashima, T. Kurita, O. Matsumoto, T. Ikegawa, T. Sekine, M. Miyamoto, K Iyama, H. Kan, and Y. Tsuchiya, "20-J Diode-Pumped Zig-Zag Slab Laser with 2-GW Peak Power and 200-W Average Power," ASSP 2005, TuB44 (2005).

Kawashima, T.

T. Kawashima, T. Kurita, O. Matsumoto, T. Ikegawa, T. Sekine, M. Miyamoto, K Iyama, H. Kan, and Y. Tsuchiya, "20-J Diode-Pumped Zig-Zag Slab Laser with 2-GW Peak Power and 200-W Average Power," ASSP 2005, TuB44 (2005).

Keller, U.

C. H¨onninger, R. Paschotta, M. Graf, F. Morier-Genoud, G. Zhang, M. Moser, S. Biswal, J. Nees, A. Braun, G. A. Mourou, I. Johannsen, A. Giessen, W. Seeber, and U. Keller, "Ultrafast ytterbium-doped bulk lasers and laser amplifiers," Appl. Phys. B 69,3-17 (1999).
[CrossRef]

Knauer, A.

G. Erbert, G. Beister, R. Hulsewede, A. Knauer, W. Pittroff, J. Sebastian, H. Wenzel, M. Weyers, and G. Trankle, "High-Power Highly Reliable Al-Free 940-nm Diode Lasers," IEEE J. Sel. Top. Quantum Electron. 7,143-148 (2001).
[CrossRef]

Kuleshov, N. V.

V. V. Filippov, N. V. Kuleshov, and I. T. Bodnar, "Negative thermo-optical coefficients and athermal directions in monoclinc KGd(WO4)2 and KY(WO4)2 laser host crystals in teh visible region," Appl. Phys. B 87,611-614 (2007).
[CrossRef]

A. A. Lagatsky, A. Abdolvand, and N. V. Kuleshov, "Passive Q switching and self-frequency Raman conversion in a diode-pumped Yb:KGd(WO4)2 laser," Opt. Lett. 25,616-618 (2000).
[CrossRef]

Kurita, T.

T. Kawashima, T. Kurita, O. Matsumoto, T. Ikegawa, T. Sekine, M. Miyamoto, K Iyama, H. Kan, and Y. Tsuchiya, "20-J Diode-Pumped Zig-Zag Slab Laser with 2-GW Peak Power and 200-W Average Power," ASSP 2005, TuB44 (2005).

Lagatsky, A. A.

Liu, J.

J. E. Hellstrom, S. Bjurshagen, V. Pasiskevicius, J. Liu, V. Petrov, and U. Griebner, "Efficient Yb:KGW lasers end-pumped by high-power diode bars," Appl. Phys. B 83,235-239 (2006).
[CrossRef]

Lucas-Leclin, G.

S. Ch??enais, F. Balembois, F. Druon, G. Lucas-Leclin, and P. Georges, "Thermal Lensing in Diode-Pumped Ytterbium Lasers - Part I: Theoretical Analysis and Wavefront Measurements," IEEE J. Quantum Electron. 40,1217-1234 (2004).
[CrossRef]

Matsumoto, O.

T. Kawashima, T. Kurita, O. Matsumoto, T. Ikegawa, T. Sekine, M. Miyamoto, K Iyama, H. Kan, and Y. Tsuchiya, "20-J Diode-Pumped Zig-Zag Slab Laser with 2-GW Peak Power and 200-W Average Power," ASSP 2005, TuB44 (2005).

Miyamoto, M.

T. Kawashima, T. Kurita, O. Matsumoto, T. Ikegawa, T. Sekine, M. Miyamoto, K Iyama, H. Kan, and Y. Tsuchiya, "20-J Diode-Pumped Zig-Zag Slab Laser with 2-GW Peak Power and 200-W Average Power," ASSP 2005, TuB44 (2005).

Mochalov, I. V.

I. V. Mochalov, "Nonlinear optics of the potassium gadolinium tungstate laser crystal Nd3+:KGd(WO4)2," J. Opt. Technol. 62,746-756 (1995).

Morier-Genoud, F.

F. Brunner, T. Sudmeyer, E. Innerhofer, F. Morier-Genoud, and R. Paschotta, "240-fs pulses with 22-W average power from a mode-locked thin-disk Yb:KY(WO4)2 laser," Opt. Lett. 27,1162-1164 (2002).
[CrossRef]

C. H¨onninger, R. Paschotta, M. Graf, F. Morier-Genoud, G. Zhang, M. Moser, S. Biswal, J. Nees, A. Braun, G. A. Mourou, I. Johannsen, A. Giessen, W. Seeber, and U. Keller, "Ultrafast ytterbium-doped bulk lasers and laser amplifiers," Appl. Phys. B 69,3-17 (1999).
[CrossRef]

Moser, M.

C. H¨onninger, R. Paschotta, M. Graf, F. Morier-Genoud, G. Zhang, M. Moser, S. Biswal, J. Nees, A. Braun, G. A. Mourou, I. Johannsen, A. Giessen, W. Seeber, and U. Keller, "Ultrafast ytterbium-doped bulk lasers and laser amplifiers," Appl. Phys. B 69,3-17 (1999).
[CrossRef]

Mourou, G. A.

C. H¨onninger, R. Paschotta, M. Graf, F. Morier-Genoud, G. Zhang, M. Moser, S. Biswal, J. Nees, A. Braun, G. A. Mourou, I. Johannsen, A. Giessen, W. Seeber, and U. Keller, "Ultrafast ytterbium-doped bulk lasers and laser amplifiers," Appl. Phys. B 69,3-17 (1999).
[CrossRef]

Mungan, C. E.

C. E. Mungan, "Thermodynamics of radiation-balanced lasing," J. Opt. Soc. Am. B 20,1075-1082 (2003).
[CrossRef]

Nees, J.

C. H¨onninger, R. Paschotta, M. Graf, F. Morier-Genoud, G. Zhang, M. Moser, S. Biswal, J. Nees, A. Braun, G. A. Mourou, I. Johannsen, A. Giessen, W. Seeber, and U. Keller, "Ultrafast ytterbium-doped bulk lasers and laser amplifiers," Appl. Phys. B 69,3-17 (1999).
[CrossRef]

O??Connor, S. P.

Paschotta, R.

Paschottach, R.

C. H¨onninger, R. Paschotta, M. Graf, F. Morier-Genoud, G. Zhang, M. Moser, S. Biswal, J. Nees, A. Braun, G. A. Mourou, I. Johannsen, A. Giessen, W. Seeber, and U. Keller, "Ultrafast ytterbium-doped bulk lasers and laser amplifiers," Appl. Phys. B 69,3-17 (1999).
[CrossRef]

Pasiskevicius, V.

J. E. Hellstr¨om, S. Bjurshagen, and V. Pasiskevicius "Laser performance and thermal lensing in high-power diode-pumped Yb:KGW with athermal orientation," Appl. Phys. B 83,55-59 (2006).
[CrossRef]

Pasiskevicius, , V.

J. E. Hellstrom, S. Bjurshagen, V. Pasiskevicius, J. Liu, V. Petrov, and U. Griebner, "Efficient Yb:KGW lasers end-pumped by high-power diode bars," Appl. Phys. B 83,235-239 (2006).
[CrossRef]

Petrov, V.

J. E. Hellstrom, S. Bjurshagen, V. Pasiskevicius, J. Liu, V. Petrov, and U. Griebner, "Efficient Yb:KGW lasers end-pumped by high-power diode bars," Appl. Phys. B 83,235-239 (2006).
[CrossRef]

Pittroff, W.

G. Erbert, G. Beister, R. Hulsewede, A. Knauer, W. Pittroff, J. Sebastian, H. Wenzel, M. Weyers, and G. Trankle, "High-Power Highly Reliable Al-Free 940-nm Diode Lasers," IEEE J. Sel. Top. Quantum Electron. 7,143-148 (2001).
[CrossRef]

Sebastian, J.

G. Erbert, G. Beister, R. Hulsewede, A. Knauer, W. Pittroff, J. Sebastian, H. Wenzel, M. Weyers, and G. Trankle, "High-Power Highly Reliable Al-Free 940-nm Diode Lasers," IEEE J. Sel. Top. Quantum Electron. 7,143-148 (2001).
[CrossRef]

J. Sebastian, G. Beister, F. Bugge, f. Buhrandt, G. Erbert, G. H¨ansel, R. H¨ulsewede, A. Knauer, W. Pittroff, R. Staske, M. Schroder, H. Wenzel, M. Weyers, and G. Tr¨ankle, "High-Power 810-nm GaAsP-AlGaAs Diode Lasers With Narrow Beam Divergence," IEEE J. Sel. Top. Quantum Electron. 7,334-339 (2001).
[CrossRef]

G. Erbert, A. Barwolff, J. Sebastian, and J. Tomm, "High-Power Broad-Area Diode Lasers and Laser Bars," Topics Appl. Phys. 78,172-223 (2000).

Seeber, W.

C. H¨onninger, R. Paschotta, M. Graf, F. Morier-Genoud, G. Zhang, M. Moser, S. Biswal, J. Nees, A. Braun, G. A. Mourou, I. Johannsen, A. Giessen, W. Seeber, and U. Keller, "Ultrafast ytterbium-doped bulk lasers and laser amplifiers," Appl. Phys. B 69,3-17 (1999).
[CrossRef]

Sekine, T.

T. Kawashima, T. Kurita, O. Matsumoto, T. Ikegawa, T. Sekine, M. Miyamoto, K Iyama, H. Kan, and Y. Tsuchiya, "20-J Diode-Pumped Zig-Zag Slab Laser with 2-GW Peak Power and 200-W Average Power," ASSP 2005, TuB44 (2005).

Shiler, M.

Sibbett, W.

Steven, S.

Sudmeyer, T.

Tomm, J.

G. Erbert, A. Barwolff, J. Sebastian, and J. Tomm, "High-Power Broad-Area Diode Lasers and Laser Bars," Topics Appl. Phys. 78,172-223 (2000).

Trankle, G.

G. Erbert, G. Beister, R. Hulsewede, A. Knauer, W. Pittroff, J. Sebastian, H. Wenzel, M. Weyers, and G. Trankle, "High-Power Highly Reliable Al-Free 940-nm Diode Lasers," IEEE J. Sel. Top. Quantum Electron. 7,143-148 (2001).
[CrossRef]

Tsuchiya, Y.

T. Kawashima, T. Kurita, O. Matsumoto, T. Ikegawa, T. Sekine, M. Miyamoto, K Iyama, H. Kan, and Y. Tsuchiya, "20-J Diode-Pumped Zig-Zag Slab Laser with 2-GW Peak Power and 200-W Average Power," ASSP 2005, TuB44 (2005).

Wagner, G.

Wenzel, H.

G. Erbert, G. Beister, R. Hulsewede, A. Knauer, W. Pittroff, J. Sebastian, H. Wenzel, M. Weyers, and G. Trankle, "High-Power Highly Reliable Al-Free 940-nm Diode Lasers," IEEE J. Sel. Top. Quantum Electron. 7,143-148 (2001).
[CrossRef]

Weyers, M.

G. Erbert, G. Beister, R. Hulsewede, A. Knauer, W. Pittroff, J. Sebastian, H. Wenzel, M. Weyers, and G. Trankle, "High-Power Highly Reliable Al-Free 940-nm Diode Lasers," IEEE J. Sel. Top. Quantum Electron. 7,143-148 (2001).
[CrossRef]

Wulfmeyer, V.

Zhang, G.

C. H¨onninger, R. Paschotta, M. Graf, F. Morier-Genoud, G. Zhang, M. Moser, S. Biswal, J. Nees, A. Braun, G. A. Mourou, I. Johannsen, A. Giessen, W. Seeber, and U. Keller, "Ultrafast ytterbium-doped bulk lasers and laser amplifiers," Appl. Phys. B 69,3-17 (1999).
[CrossRef]

Appl. Opt. (1)

Appl. Phys. B (4)

C. H¨onninger, R. Paschotta, M. Graf, F. Morier-Genoud, G. Zhang, M. Moser, S. Biswal, J. Nees, A. Braun, G. A. Mourou, I. Johannsen, A. Giessen, W. Seeber, and U. Keller, "Ultrafast ytterbium-doped bulk lasers and laser amplifiers," Appl. Phys. B 69,3-17 (1999).
[CrossRef]

V. V. Filippov, N. V. Kuleshov, and I. T. Bodnar, "Negative thermo-optical coefficients and athermal directions in monoclinc KGd(WO4)2 and KY(WO4)2 laser host crystals in teh visible region," Appl. Phys. B 87,611-614 (2007).
[CrossRef]

J. E. Hellstr¨om, S. Bjurshagen, and V. Pasiskevicius "Laser performance and thermal lensing in high-power diode-pumped Yb:KGW with athermal orientation," Appl. Phys. B 83,55-59 (2006).
[CrossRef]

J. E. Hellstrom, S. Bjurshagen, V. Pasiskevicius, J. Liu, V. Petrov, and U. Griebner, "Efficient Yb:KGW lasers end-pumped by high-power diode bars," Appl. Phys. B 83,235-239 (2006).
[CrossRef]

ASSP (1)

T. Kawashima, T. Kurita, O. Matsumoto, T. Ikegawa, T. Sekine, M. Miyamoto, K Iyama, H. Kan, and Y. Tsuchiya, "20-J Diode-Pumped Zig-Zag Slab Laser with 2-GW Peak Power and 200-W Average Power," ASSP 2005, TuB44 (2005).

IEEE J. Quantum Electron. (1)

S. Ch??enais, F. Balembois, F. Druon, G. Lucas-Leclin, and P. Georges, "Thermal Lensing in Diode-Pumped Ytterbium Lasers - Part I: Theoretical Analysis and Wavefront Measurements," IEEE J. Quantum Electron. 40,1217-1234 (2004).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron. (2)

G. Erbert, G. Beister, R. Hulsewede, A. Knauer, W. Pittroff, J. Sebastian, H. Wenzel, M. Weyers, and G. Trankle, "High-Power Highly Reliable Al-Free 940-nm Diode Lasers," IEEE J. Sel. Top. Quantum Electron. 7,143-148 (2001).
[CrossRef]

J. Sebastian, G. Beister, F. Bugge, f. Buhrandt, G. Erbert, G. H¨ansel, R. H¨ulsewede, A. Knauer, W. Pittroff, R. Staske, M. Schroder, H. Wenzel, M. Weyers, and G. Tr¨ankle, "High-Power 810-nm GaAsP-AlGaAs Diode Lasers With Narrow Beam Divergence," IEEE J. Sel. Top. Quantum Electron. 7,334-339 (2001).
[CrossRef]

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

C. E. Mungan, "Thermodynamics of radiation-balanced lasing," J. Opt. Soc. Am. B 20,1075-1082 (2003).
[CrossRef]

J. Opt. Technol. (1)

I. V. Mochalov, "Nonlinear optics of the potassium gadolinium tungstate laser crystal Nd3+:KGd(WO4)2," J. Opt. Technol. 62,746-756 (1995).

Opt. Express (2)

Opt. Lett. (3)

Topics Appl. Phys. (1)

G. Erbert, A. Barwolff, J. Sebastian, and J. Tomm, "High-Power Broad-Area Diode Lasers and Laser Bars," Topics Appl. Phys. 78,172-223 (2000).

Other (5)

A. E. Siegman, Lasers, (University Science Books, 1986).

EKSPLA, "Yb:KGW and Yb:KYW Crystals," http://www.ekspla.com/en/main/products/1/63?pid=498.

S. Chenais, F. Druon, S. Forget, F. Balembois, and P. Georges, "On thermal effects in solid state lasers: the case of ytterbium-doped materials," http://arxiv.org/ftp/arxiv/papers/0704/0704.0701.pdf.

H. Ibach and H. Luth, Solid-State Physics, (Springer, 2003).

S. Biswal, S. Shawn, P. O??Connor, and S. R. Bowman, "Thermo-optical parameters measured in potassium-adolinium-tungstate," CLEO 2004, CThT62 (2004).

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