Abstract

We report a method of scaling the spatial brightness from commercial off-the-shelf diode laser stacks through wavelength beam combining, by use of a linearly wavelength-chirped volume Bragg grating (VBG). Using a three-bar commercial stack of broad-area lasers and a VBG, we demonstrate 89.5Wcw of beam-combined output with a beam-combining efficiency of 75%. The output beam has a propagation factor M226 on the slow axis and M221 on the fast axis. This corresponds to a brightness of 20MWcm2sr. To our knowledge, this is the highest brightness broad-area diode laser system. We achieve 81% coupling efficiency into a 100μm, 0.22N.A. fiber.

© 2006 Optical Society of America

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References

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2005 (5)

2004 (2)

2003 (1)

2000 (1)

1998 (1)

S. Heinermann and L. Leininger, in Proc. SPIE 3267, 116 (1998).
[CrossRef]

1997 (1)

R. Goring, P. Schreiber, and T. Pobner, in Proc. SPIE 3008, 202 (1997).
[CrossRef]

1996 (1)

1993 (1)

J. R. Leger, in Surface Emitting Semiconductor Lasers and Arrays, G.A.Evans and J.M.Hammer, eds. (Academic, 1993), p. 379.

Alvarez-Chavez, J. A.

Baek, S.

Balembois, F.

Ban, V. S.

Chann, B.

Choi, H. K.

Clarkson, W. A.

Codemard, C. A.

Cook, C. C.

Daneu, V.

Dolgy, S. V.

Donnelly, J. P.

Downs, E.

Dupriez, P.

Fan, T. Y.

Georges, P.

Glebov, L.

G. Venus, V. Smirnov, L. Glebov, and M. Kanskar, in Proc. SPIE 5711, 166 (2005).
[CrossRef]

Goring, R.

R. Goring, P. Schreiber, and T. Pobner, in Proc. SPIE 3008, 202 (1997).
[CrossRef]

Goyal, A. K.

Hanna, D. C.

Harris, C. T.

Heinermann, S.

S. Heinermann and L. Leininger, in Proc. SPIE 3267, 116 (1998).
[CrossRef]

Hofer, S.

A. Tunnermann, S. Hofer, A. Liem, J. Limpert, M. Reich, F. Roser, T. Schreiber, and H. Zellmer, in Proc. SPIE 5709, 301 (2005).
[CrossRef]

Horley, R.

Huang, R. K.

Huignard, J.-P.

Jeong, Y.

Kanskar, M.

G. Venus, V. Smirnov, L. Glebov, and M. Kanskar, in Proc. SPIE 5711, 166 (2005).
[CrossRef]

Leger, J. R.

J. R. Leger, in Surface Emitting Semiconductor Lasers and Arrays, G.A.Evans and J.M.Hammer, eds. (Academic, 1993), p. 379.

Leininger, L.

S. Heinermann and L. Leininger, in Proc. SPIE 3267, 116 (1998).
[CrossRef]

Liau, Z. L.

Liem, A.

A. Tunnermann, S. Hofer, A. Liem, J. Limpert, M. Reich, F. Roser, T. Schreiber, and H. Zellmer, in Proc. SPIE 5709, 301 (2005).
[CrossRef]

Limpert, J.

A. Tunnermann, S. Hofer, A. Liem, J. Limpert, M. Reich, F. Roser, T. Schreiber, and H. Zellmer, in Proc. SPIE 5709, 301 (2005).
[CrossRef]

Melnik, E. D.

Missaggia, L. J.

Nilsson, J.

Payne, D. N.

Pobner, T.

R. Goring, P. Schreiber, and T. Pobner, in Proc. SPIE 3008, 202 (1997).
[CrossRef]

Reich, M.

A. Tunnermann, S. Hofer, A. Liem, J. Limpert, M. Reich, F. Roser, T. Schreiber, and H. Zellmer, in Proc. SPIE 5709, 301 (2005).
[CrossRef]

Roser, F.

A. Tunnermann, S. Hofer, A. Liem, J. Limpert, M. Reich, F. Roser, T. Schreiber, and H. Zellmer, in Proc. SPIE 5709, 301 (2005).
[CrossRef]

Sahu, J. K.

Sanchez, A.

Sanchez-Rubio, A.

Schreiber, P.

R. Goring, P. Schreiber, and T. Pobner, in Proc. SPIE 3008, 202 (1997).
[CrossRef]

Schreiber, T.

A. Tunnermann, S. Hofer, A. Liem, J. Limpert, M. Reich, F. Roser, T. Schreiber, and H. Zellmer, in Proc. SPIE 5709, 301 (2005).
[CrossRef]

Shaw, J.

Smirnov, V.

G. Venus, V. Smirnov, L. Glebov, and M. Kanskar, in Proc. SPIE 5711, 166 (2005).
[CrossRef]

Soh, D. B. S.

Tunnermann, A.

A. Tunnermann, S. Hofer, A. Liem, J. Limpert, M. Reich, F. Roser, T. Schreiber, and H. Zellmer, in Proc. SPIE 5709, 301 (2005).
[CrossRef]

Turner, G. W.

Turner, P. W.

Venus, G.

G. Venus, V. Smirnov, L. Glebov, and M. Kanskar, in Proc. SPIE 5711, 166 (2005).
[CrossRef]

Volodin, B. L.

You, S.

Zellmer, H.

A. Tunnermann, S. Hofer, A. Liem, J. Limpert, M. Reich, F. Roser, T. Schreiber, and H. Zellmer, in Proc. SPIE 5709, 301 (2005).
[CrossRef]

Opt. Express (1)

Opt. Lett. (6)

Proc. SPIE (5)

G. Venus, V. Smirnov, L. Glebov, and M. Kanskar, in Proc. SPIE 5711, 166 (2005).
[CrossRef]

S. Heinermann and L. Leininger, in Proc. SPIE 3267, 116 (1998).
[CrossRef]

R. Goring, P. Schreiber, and T. Pobner, in Proc. SPIE 3008, 202 (1997).
[CrossRef]

T. Y. Fan and A. Sanchez, in Proc. SPIE 5709, 157 (2005).
[CrossRef]

A. Tunnermann, S. Hofer, A. Liem, J. Limpert, M. Reich, F. Roser, T. Schreiber, and H. Zellmer, in Proc. SPIE 5709, 301 (2005).
[CrossRef]

Other (2)

J. R. Leger, in Surface Emitting Semiconductor Lasers and Arrays, G.A.Evans and J.M.Hammer, eds. (Academic, 1993), p. 379.

Product information, http://www.jold.de/sites/produkte/produkte-typenlowbarvd%7Een.htm#.

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Figures (4)

Fig. 1
Fig. 1

Basic architecture for WBC of a diode stack (three-bar stack) by using a wavelength-chirped VBG.

Fig. 2
Fig. 2

Near-field-image spectrum versus position for one bar at 35 A .

Fig. 3
Fig. 3

WBC spectrum of one bar at 35 A .

Fig. 4
Fig. 4

Left axis, WBC and free-running output power versus current for a three-bar stack. Right axis, beam-combining efficiency and beam quality versus current for a three-bar stack.

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