Abstract

Properties of the state of polarization of the reflected radiation of λ = 10.6 μm for sublimed flowers of sulfur are studied. It is shown that sublimed sulfur follows Lambert's cosine law and depolarizes 73% of incident linearly polarized radiation. The absolute reflectance matrix coefficients for the sulfur are given. Selection of sublimed sulfur as a standard reflectance is discussed.

© 1983 Optical Society of America

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References

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  1. J. H. Shapiro, Appl. Opt. 21, 3398 (1982).
    [CrossRef] [PubMed]
  2. R. C. Jones, J. Opt. Soc. Am. 31, 488 (1941).
    [CrossRef]
  3. M. Born, E. Wolf, Principles of Optics (Pergamon, New York, 1975), pp. 181–190.
  4. R. A. Brandewie, W. C. Davis, Appl. Opt. 11, 1526 (1972).
    [CrossRef] [PubMed]
  5. M. J. Post, R. A. Richter, R. J. Keller, R. M. Hardesty, T. R. Lawrence, F. F. Hall, Appl. Opt. 19, 2828 (1980).
    [CrossRef] [PubMed]
  6. M. Kronstein, R. J. Kraushaar, R. E. Deacle, J. Opt. Soc. Am. 53, 458 (1963).
    [CrossRef]
  7. H. C. van de Hulst, Light Scattering by Small Particles (Wiley, New York, 1957).
  8. C. MacNeill, J. Opt. Soc. Am. 53, 398 (1963).
    [CrossRef]

1982 (1)

1980 (1)

1972 (1)

1963 (2)

1941 (1)

Born, M.

M. Born, E. Wolf, Principles of Optics (Pergamon, New York, 1975), pp. 181–190.

Brandewie, R. A.

Davis, W. C.

Deacle, R. E.

Hall, F. F.

Hardesty, R. M.

Jones, R. C.

Keller, R. J.

Kraushaar, R. J.

Kronstein, M.

Lawrence, T. R.

MacNeill, C.

Post, M. J.

Richter, R. A.

Shapiro, J. H.

van de Hulst, H. C.

H. C. van de Hulst, Light Scattering by Small Particles (Wiley, New York, 1957).

Wolf, E.

M. Born, E. Wolf, Principles of Optics (Pergamon, New York, 1975), pp. 181–190.

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Figures (2)

Fig. 1
Fig. 1

Schematic diagram of the optical layout: BS, beam splitter; θ, angle of incidence and reflectance.

Fig. 2
Fig. 2

Diffuse backscattering of sublimed sulfur and 400-grit sandpaper as a function of the angle θ.

Tables (1)

Tables Icon

Table I Absolute Values of the Backscattering Reflection Matrix for Sulfur Targets

Equations (12)

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I = | E x | 2 + | E y | 2 ,
M = | E x | 2 | E y | 2 ,
C = 2 Re E x E y * ,
S = 2 Im E x E y * ,
I P = ( M 2 + C 2 + S 2 ) 1 / 2 ,
I T ( α , β ) = 1 / 2 [ I + ( M cos β + C sin 2 β ) cos 2 ( α β ) + S sin 2 ( α β ) ] .
H ̅ = Ī i cos θ ,
N ̅ = R ̿ · H ̅ .
F ̅ r = N ̅ cos θ Δ S Δ Ω ,
F ̅ r = R ̿ · Ī i cos θ Δ S Δ Ω .
p = I p I r = [ ( M / I r ) 2 + ( C / I r ) 2 + ( S / I r ) 2 ] 1 / 2 = 0.27 ± 0.03 .
δ = intensity in the cross polarization intensity in the parallel polarization = 1 M r / I r 1 + M r / I r .

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