Abstract

A method of replicating randomly rough surfaces fabricated in photoresist has been developed, enabling comparisons of the scattered light to be made between identical diffusers made from different materials. Experimental measurements on one-dimensional metal (gold) and dielectric surfaces are presented, and some initial comparisons with numerical calculations are made.

© 1989 Optical Society of America

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References

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1989 (4)

1987 (4)

1980 (1)

1979 (1)

1967 (1)

Bahar, E.

E. Bahar, M. A. Fitzwater, J. Opt. Soc. Am. A 6, 33 (1989).
[CrossRef]

E. Bahar, M. A. Fitzwater, Opt. Commun. 63, 355 (1987).
[CrossRef]

Boerner, W.-M.

Cheo, P. K.

Cooper, H. G.

Dummer, R. S.

Fitzwater, M. A.

E. Bahar, M. A. Fitzwater, J. Opt. Soc. Am. A 6, 33 (1989).
[CrossRef]

E. Bahar, M. A. Fitzwater, Opt. Commun. 63, 355 (1987).
[CrossRef]

Gough, P. T.

Gu, Z.-H.

Kohl, R. H.

Maradudin, A. A.

McGurn, A. R.

Mendez, E. R.

Michel, T.

Montgomery, W. W.

Nieto-Vesperinas, M.

J. M. Soto-Crespo, M. Nieto-Vesperinas, Opt. Commun. 69, 185 (1989).
[CrossRef]

M. Nieto-Vesperinas, J. M. Soto-Crespo, Opt. Lett. 12, 979 (1987).
[CrossRef] [PubMed]

O’Donnell, K. A.

E. R. Mendez, K. A. O’Donnell, Opt. Commun. 61, 91 (1987).
[CrossRef]

K. A. O’Donnell, E. R. Mendez, J. Opt. Soc. Am. A 4, 1194 (1987).
[CrossRef]

Renau, J.

Soto-Crespo, J. M.

J. M. Soto-Crespo, M. Nieto-Vesperinas, Opt. Commun. 69, 185 (1989).
[CrossRef]

M. Nieto-Vesperinas, J. M. Soto-Crespo, Opt. Lett. 12, 979 (1987).
[CrossRef] [PubMed]

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Figures (5)

Fig. 1
Fig. 1

Comparisons of light scattered by original and epoxy resin replica of plate #39 at a wavelength of 0.633 μm. 1/e correlation length 2.97 ± 0.05 μm, rms height 1.18 ± 0.13 μm; both surfaces are gold coated.

Fig. 2
Fig. 2

Autocorrelation function C() = 〈h(x)h(x + )〉/〈h2(x)〉 (where 〈…〉 represents an ensemble average) and probability-density function of the height fluctuation of an epoxy resin replica of plate # 39. 1/e correlation length 2.97 ± 0.05 μm, rms height 1.18 ± 0.13 μm.

Fig. 3
Fig. 3

Measurements of diffuse scattering envelopes of a dielectric surface illuminated at a wavelength of 0.633 μm. 1/e correlation length 2.97 ± 0.05 μm, rms height 1.18 ± 0.13 μm. Backscatter occurs to the right-hand sides of the graphs.

Fig. 4
Fig. 4

Measurements of diffuse scattering envelopes of a gold-coated surface illuminated at a wavelength of 0.633 μm. 1/e correlation length 2.97 ± 0.05 μm, rms height 1.18 ± 0.13 μm. Backscatter occurs to the right-hand sides of the graphs.

Fig. 5
Fig. 5

Numerical calculations of diffuse scattering envelopes for a dielectric surface of refractive index 1.43 illuminated at normal incidence at a wavelength of 0.633 μm; 200 realizations. 1/e correlation length 2.97 μm, rms height 1.18 μm.

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