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).
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    [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

2005

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

1996

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

1987

1982

1972

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

1968

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

1955

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.

IBM J. Res. Dev.

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

J. Opt. A

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

Opt. Commun.

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

Opt. Lett.

Optik (Stuttgart)

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

Science

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

Other

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