Abstract

Heterodyne detection has been used to measure the enhanced backscattering from a standard target consisting of a plane mirror positioned behind a moving ground-glass disk (assumed to act as a phase screen). A tilt of the plane mirror in combination with spectral filtering of the detector output allows isolation of the double-scattered component of the light signal. When the illuminating laser and the local oscillator beams are correctly mode matched, the intensity of this signal displays the factor-of-2 increase that denotes full coherent enhancement. This full enhancement is preserved for a wide range of mirror to phase-screen spacing, in contrast with earlier observations in which direct-detection techniques were used.

© 1997 Optical Society of America

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    [CrossRef]
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    [CrossRef]
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    [PubMed]
  8. M. Harris, G. N. Pearson, C. A. Hill, and J. M. Vaughan, Appl. Opt. 33, 7226 (1994).
    [PubMed]
  9. G. N. Pearson, M. Harris, E. Jakeman, and D. Letalick, J. Mod. Opt. 41, 2067 (1994).

1996 (1)

1995 (1)

M. Harris, Contemp. Phys. 36, 215 (1995).

1994 (2)

G. N. Pearson, M. Harris, E. Jakeman, and D. Letalick, J. Mod. Opt. 41, 2067 (1994).

M. Harris, G. N. Pearson, C. A. Hill, and J. M. Vaughan, Appl. Opt. 33, 7226 (1994).
[PubMed]

1988 (2)

E. Jakeman, P. R. Tapster, and A. R. Weeks, J. Phys. D 21, 32 (1988).
[CrossRef]

E. Jakeman, J. Opt. Soc. Am. A 5, 1638 (1988).

1987 (1)

E. R. Mendez and K. A. O'Donnell, Opt. Commun. 61, 91 (1987).

1984 (1)

1966 (1)

P. Oetking, J. Geophys. Res. 71, 2505 (1966).
[CrossRef]

Harris, M.

M. Harris, Contemp. Phys. 36, 215 (1995).

M. Harris, G. N. Pearson, C. A. Hill, and J. M. Vaughan, Appl. Opt. 33, 7226 (1994).
[PubMed]

G. N. Pearson, M. Harris, E. Jakeman, and D. Letalick, J. Mod. Opt. 41, 2067 (1994).

Hill, C. A.

Ishimaru, A.

Jakeman, E.

D. L. Jordan, G. D. Lewis, and E. Jakeman, Appl. Opt. 35, 3583 (1996).
[PubMed]

G. N. Pearson, M. Harris, E. Jakeman, and D. Letalick, J. Mod. Opt. 41, 2067 (1994).

E. Jakeman, J. Opt. Soc. Am. A 5, 1638 (1988).

E. Jakeman, P. R. Tapster, and A. R. Weeks, J. Phys. D 21, 32 (1988).
[CrossRef]

Jordan, D. L.

Kuga, Y.

Letalick, D.

G. N. Pearson, M. Harris, E. Jakeman, and D. Letalick, J. Mod. Opt. 41, 2067 (1994).

Lewis, G. D.

Mendez, E. R.

E. R. Mendez and K. A. O'Donnell, Opt. Commun. 61, 91 (1987).

O'Donnell, K. A.

E. R. Mendez and K. A. O'Donnell, Opt. Commun. 61, 91 (1987).

Oetking, P.

P. Oetking, J. Geophys. Res. 71, 2505 (1966).
[CrossRef]

Pearson, G. N.

M. Harris, G. N. Pearson, C. A. Hill, and J. M. Vaughan, Appl. Opt. 33, 7226 (1994).
[PubMed]

G. N. Pearson, M. Harris, E. Jakeman, and D. Letalick, J. Mod. Opt. 41, 2067 (1994).

Tapster, P. R.

E. Jakeman, P. R. Tapster, and A. R. Weeks, J. Phys. D 21, 32 (1988).
[CrossRef]

Vaughan, J. M.

Weeks, A. R.

E. Jakeman, P. R. Tapster, and A. R. Weeks, J. Phys. D 21, 32 (1988).
[CrossRef]

Appl. Opt. (2)

Contemp. Phys. (1)

M. Harris, Contemp. Phys. 36, 215 (1995).

J. Geophys. Res. (1)

P. Oetking, J. Geophys. Res. 71, 2505 (1966).
[CrossRef]

J. Mod. Opt. (1)

G. N. Pearson, M. Harris, E. Jakeman, and D. Letalick, J. Mod. Opt. 41, 2067 (1994).

J. Opt. Soc. Am. A (2)

J. Phys. D (1)

E. Jakeman, P. R. Tapster, and A. R. Weeks, J. Phys. D 21, 32 (1988).
[CrossRef]

Opt. Commun. (1)

E. R. Mendez and K. A. O'Donnell, Opt. Commun. 61, 91 (1987).

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