Abstract

We demonstrate the use of a binary diffractive optical element in a very simple setup to convert the multilobed beam from a low fill factor array of coherent laser diodes into a quasi-Gaussian beam. The phase profile of the grating is determined with a phase retrieval algorithm. Experimentally, the conversion efficiency reaches more than 44%. We also establish that this setup can be used to make an effective measurement of the coherency of the laser array.

© 2010 Optical Society of America

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2008 (3)

2005 (1)

T. Y. Fan, IEEE J. Sel. Top. Quantum Electron. 11, 567 (2005).
[CrossRef]

2003 (1)

1987 (1)

1984 (1)

J. K. Butler, D. E. Ackley, and D. Botez, Appl. Phys. Lett. 44, 293 (1984).
[CrossRef]

1971 (1)

H. Dammann and K. Görtler, Opt. Commun. 3, 312 (1971).
[CrossRef]

Ackley, D. E.

J. K. Butler, D. E. Ackley, and D. Botez, Appl. Phys. Lett. 44, 293 (1984).
[CrossRef]

Botez, D.

J. K. Butler, D. E. Ackley, and D. Botez, Appl. Phys. Lett. 44, 293 (1984).
[CrossRef]

Brauch, U.

Butler, J. K.

J. K. Butler, D. E. Ackley, and D. Botez, Appl. Phys. Lett. 44, 293 (1984).
[CrossRef]

Cheung, E. C.

Dammann, H.

H. Dammann and K. Görtler, Opt. Commun. 3, 312 (1971).
[CrossRef]

Fan, T. Y.

T. Y. Fan, IEEE J. Sel. Top. Quantum Electron. 11, 567 (2005).
[CrossRef]

Georges, P.

D. Paboeuf, G. Lucas-Leclin, P. Georges, N. Michel, M. Krakowski, J. Lim, S. Sujecki, and E. Larkins, Appl. Phys. Lett. 93, 211102 (2008).
[CrossRef]

Goodno, G. D.

Görtler, K.

H. Dammann and K. Görtler, Opt. Commun. 3, 312 (1971).
[CrossRef]

Hergenhan, G.

Ho, J. G.

Hoyer-Leitzel, A.

Khajavikhan, M.

Krakowski, M.

D. Paboeuf, G. Lucas-Leclin, P. Georges, N. Michel, M. Krakowski, J. Lim, S. Sujecki, and E. Larkins, Appl. Phys. Lett. 93, 211102 (2008).
[CrossRef]

Larkins, E.

D. Paboeuf, G. Lucas-Leclin, P. Georges, N. Michel, M. Krakowski, J. Lim, S. Sujecki, and E. Larkins, Appl. Phys. Lett. 93, 211102 (2008).
[CrossRef]

Leger, J. R.

Lim, J.

D. Paboeuf, G. Lucas-Leclin, P. Georges, N. Michel, M. Krakowski, J. Lim, S. Sujecki, and E. Larkins, Appl. Phys. Lett. 93, 211102 (2008).
[CrossRef]

Lucas-Leclin, G.

D. Paboeuf, G. Lucas-Leclin, P. Georges, N. Michel, M. Krakowski, J. Lim, S. Sujecki, and E. Larkins, Appl. Phys. Lett. 93, 211102 (2008).
[CrossRef]

Lucke, B.

Michel, N.

D. Paboeuf, G. Lucas-Leclin, P. Georges, N. Michel, M. Krakowski, J. Lim, S. Sujecki, and E. Larkins, Appl. Phys. Lett. 93, 211102 (2008).
[CrossRef]

Paboeuf, D.

D. Paboeuf, G. Lucas-Leclin, P. Georges, N. Michel, M. Krakowski, J. Lim, S. Sujecki, and E. Larkins, Appl. Phys. Lett. 93, 211102 (2008).
[CrossRef]

Rice, R. R.

Rothenberg, J.

Sujecki, S.

D. Paboeuf, G. Lucas-Leclin, P. Georges, N. Michel, M. Krakowski, J. Lim, S. Sujecki, and E. Larkins, Appl. Phys. Lett. 93, 211102 (2008).
[CrossRef]

Swanson, G. J.

Thielen, P.

Veldkamp, W. B.

Weber, M.

Wickham, M.

Appl. Opt. (2)

Appl. Phys. Lett. (2)

D. Paboeuf, G. Lucas-Leclin, P. Georges, N. Michel, M. Krakowski, J. Lim, S. Sujecki, and E. Larkins, Appl. Phys. Lett. 93, 211102 (2008).
[CrossRef]

J. K. Butler, D. E. Ackley, and D. Botez, Appl. Phys. Lett. 44, 293 (1984).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron. (1)

T. Y. Fan, IEEE J. Sel. Top. Quantum Electron. 11, 567 (2005).
[CrossRef]

Opt. Commun. (1)

H. Dammann and K. Görtler, Opt. Commun. 3, 312 (1971).
[CrossRef]

Opt. Lett. (2)

Other (1)

S.Martellucci and A.N.Chester, eds., Diffractive Optics and Optical Microsystems (Plenum, 1997), p. 422.

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