Abstract

An efficient beam-combining technique based on aperture filling is introduced to direct virtually all the energy of a mutually coherent laser array to the far-field main lobe. A comparison between this method and the Dammann grating method for beam superposition reveals the connection between the two and suggests specific applications for each.

© 2008 Optical Society of America

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References

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  1. J. R. Leger, in Surface Emitting Diode Lasers and Arrays, G.Evans and J.Hammer, eds. (Academic, 1993), Chap. 8.
  2. G. J. Swanson, J. R. Leger, and M. Holz, Opt. Lett. 12, 245 (1987).
    [CrossRef] [PubMed]
  3. F. Zernike, Science 121, 345 (1955).
    [CrossRef] [PubMed]
  4. J. Glückstad, Opt. Commun. 130, 225 (1996).
    [CrossRef]
  5. R. W. Gershberg and W. O. Saxton, Optik (Stuttgart) 35, 237 (1972).
  6. J. R. Fienup, Appl. Opt. 21, 2758 (1982).
    [CrossRef] [PubMed]
  7. C. Corcoran and K. Pasch, J. Opt. A 7, L1 (2005).
    [CrossRef]
  8. B. R. Brown and A. W. Lohmann, IBM J. Res. Dev. 13, 160 (1968).
    [CrossRef]
  9. J. R. Leger, G. J. Swanson, and W. B. Veldkamp, Appl. Opt. 26, 4391 (1987).
    [CrossRef] [PubMed]
  10. E. C. Cheung, J. G. Ho, G. D. Goodno, R. R. Rice, J. Rothenberg, P. Thielen, M. Weber, and M. Wickham, Opt. Lett. 33, 354 (2008).
    [CrossRef] [PubMed]

2008 (1)

2005 (1)

C. Corcoran and K. Pasch, J. Opt. A 7, L1 (2005).
[CrossRef]

1996 (1)

J. Glückstad, Opt. Commun. 130, 225 (1996).
[CrossRef]

1987 (2)

1982 (1)

1972 (1)

R. W. Gershberg and W. O. Saxton, Optik (Stuttgart) 35, 237 (1972).

1968 (1)

B. R. Brown and A. W. Lohmann, IBM J. Res. Dev. 13, 160 (1968).
[CrossRef]

1955 (1)

F. Zernike, Science 121, 345 (1955).
[CrossRef] [PubMed]

Brown, B. R.

B. R. Brown and A. W. Lohmann, IBM J. Res. Dev. 13, 160 (1968).
[CrossRef]

Cheung, E. C.

Corcoran, C.

C. Corcoran and K. Pasch, J. Opt. A 7, L1 (2005).
[CrossRef]

Fienup, J. R.

Gershberg, R. W.

R. W. Gershberg and W. O. Saxton, Optik (Stuttgart) 35, 237 (1972).

Glückstad, J.

J. Glückstad, Opt. Commun. 130, 225 (1996).
[CrossRef]

Goodno, G. D.

Ho, J. G.

Holz, M.

Leger, J. R.

Lohmann, A. W.

B. R. Brown and A. W. Lohmann, IBM J. Res. Dev. 13, 160 (1968).
[CrossRef]

Pasch, K.

C. Corcoran and K. Pasch, J. Opt. A 7, L1 (2005).
[CrossRef]

Rice, R. R.

Rothenberg, J.

Saxton, W. O.

R. W. Gershberg and W. O. Saxton, Optik (Stuttgart) 35, 237 (1972).

Swanson, G. J.

Thielen, P.

Veldkamp, W. B.

Weber, M.

Wickham, M.

Zernike, F.

F. Zernike, Science 121, 345 (1955).
[CrossRef] [PubMed]

Appl. Opt. (2)

IBM J. Res. Dev. (1)

B. R. Brown and A. W. Lohmann, IBM J. Res. Dev. 13, 160 (1968).
[CrossRef]

J. Opt. A (1)

C. Corcoran and K. Pasch, J. Opt. A 7, L1 (2005).
[CrossRef]

Opt. Commun. (1)

J. Glückstad, Opt. Commun. 130, 225 (1996).
[CrossRef]

Opt. Lett. (2)

Optik (Stuttgart) (1)

R. W. Gershberg and W. O. Saxton, Optik (Stuttgart) 35, 237 (1972).

Science (1)

F. Zernike, Science 121, 345 (1955).
[CrossRef] [PubMed]

Other (1)

J. R. Leger, in Surface Emitting Diode Lasers and Arrays, G.Evans and J.Hammer, eds. (Academic, 1993), Chap. 8.

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Figures (4)

Fig. 1
Fig. 1

(a) Optical setup for a multiorder aperture-filling system by generalized amplitude-to-phase conversion. (b) Optical setup for a Dammann grating beam-combining system.

Fig. 2
Fig. 2

Comparison between (a) simulations and (b) experimentally measured near field of a self-Fourier array.

Fig. 3
Fig. 3

Far field of a self-Fourier array (a) with no beam addition performed and (b) after applying our generalized amplitude-to-phase conversion technique.

Fig. 4
Fig. 4

Phase profile of a single period of (a) Dammann grating designed to combine three beams, (b) Dammann grating designed to combine 51 beams, (c) corrector plate designed for a 40% fill factor, and (d) corrector plate designed for a 10% fill factor.

Tables (1)

Tables Icon

Table 1 Comparison Between Single-Order (Swanson’s Method) and Multiorder (Current Method) Aperture Filling by Amplitude-to-Phase Conversion

Metrics