Abstract

We present a multifunction spectrophotometer for the measurement of light reflection from thick and transmission from very thin turbid liquid samples. Moreover, we present a method to get the complex refractive index of such turbid liquids. As an example of the high performance of the device and the method, we present data on inks that are used in offset printing.

© 2007 Optical Society of America

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References

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  1. F.M.Mirabella, ed., Internal Reflection Spectroscopy: Theory and Applications (Dekker, 1993).
  2. J. Räty, K.-E. Peiponen, and T. Asakura, UV-Visible Reflection Spectroscopy of Liquids (Springer, 2004).
  3. G. H. Meeten and A. N. North, Meas. Sci. Technol. 6, 214 (1995).
    [CrossRef]
  4. V. Lucarini, J. J. Saarinen, K.-E. Peiponen, and E. M. Vartiainen, Kramers-Kronig Relations in Optical Materials Research (Springer, 2005).
  5. I. Niskanen, J. Räty, and K.-E. Peiponen, Meas. Sci. Technol. 17, N87 (2006).
    [CrossRef]
  6. E.D.Palik, ed., Handbook of Optical Constants of Solids III (Academic, 1998).
  7. J. Räty and K.-E. Peiponen, Appl. Spectrosc. 53, 1123 (1999).
    [CrossRef]
  8. J. S. Preston, N. J. Elton, J. C. Husband, J. Dalton, P. J. Heard, and G. C. Allen, Colloids Surf., A 202, 183 (2002).
    [CrossRef]
  9. J. S. Preston and L. F. Gate, Colloids Surf., A 252, 99 (2005).
    [CrossRef]

2006 (1)

I. Niskanen, J. Räty, and K.-E. Peiponen, Meas. Sci. Technol. 17, N87 (2006).
[CrossRef]

2005 (1)

J. S. Preston and L. F. Gate, Colloids Surf., A 252, 99 (2005).
[CrossRef]

2002 (1)

J. S. Preston, N. J. Elton, J. C. Husband, J. Dalton, P. J. Heard, and G. C. Allen, Colloids Surf., A 202, 183 (2002).
[CrossRef]

1999 (1)

1995 (1)

G. H. Meeten and A. N. North, Meas. Sci. Technol. 6, 214 (1995).
[CrossRef]

Allen, G. C.

J. S. Preston, N. J. Elton, J. C. Husband, J. Dalton, P. J. Heard, and G. C. Allen, Colloids Surf., A 202, 183 (2002).
[CrossRef]

Asakura, T.

J. Räty, K.-E. Peiponen, and T. Asakura, UV-Visible Reflection Spectroscopy of Liquids (Springer, 2004).

Dalton, J.

J. S. Preston, N. J. Elton, J. C. Husband, J. Dalton, P. J. Heard, and G. C. Allen, Colloids Surf., A 202, 183 (2002).
[CrossRef]

Elton, N. J.

J. S. Preston, N. J. Elton, J. C. Husband, J. Dalton, P. J. Heard, and G. C. Allen, Colloids Surf., A 202, 183 (2002).
[CrossRef]

Gate, L. F.

J. S. Preston and L. F. Gate, Colloids Surf., A 252, 99 (2005).
[CrossRef]

Heard, P. J.

J. S. Preston, N. J. Elton, J. C. Husband, J. Dalton, P. J. Heard, and G. C. Allen, Colloids Surf., A 202, 183 (2002).
[CrossRef]

Husband, J. C.

J. S. Preston, N. J. Elton, J. C. Husband, J. Dalton, P. J. Heard, and G. C. Allen, Colloids Surf., A 202, 183 (2002).
[CrossRef]

Lucarini, V.

V. Lucarini, J. J. Saarinen, K.-E. Peiponen, and E. M. Vartiainen, Kramers-Kronig Relations in Optical Materials Research (Springer, 2005).

Meeten, G. H.

G. H. Meeten and A. N. North, Meas. Sci. Technol. 6, 214 (1995).
[CrossRef]

Niskanen, I.

I. Niskanen, J. Räty, and K.-E. Peiponen, Meas. Sci. Technol. 17, N87 (2006).
[CrossRef]

North, A. N.

G. H. Meeten and A. N. North, Meas. Sci. Technol. 6, 214 (1995).
[CrossRef]

Peiponen, K.-E.

I. Niskanen, J. Räty, and K.-E. Peiponen, Meas. Sci. Technol. 17, N87 (2006).
[CrossRef]

J. Räty and K.-E. Peiponen, Appl. Spectrosc. 53, 1123 (1999).
[CrossRef]

V. Lucarini, J. J. Saarinen, K.-E. Peiponen, and E. M. Vartiainen, Kramers-Kronig Relations in Optical Materials Research (Springer, 2005).

J. Räty, K.-E. Peiponen, and T. Asakura, UV-Visible Reflection Spectroscopy of Liquids (Springer, 2004).

Preston, J. S.

J. S. Preston and L. F. Gate, Colloids Surf., A 252, 99 (2005).
[CrossRef]

J. S. Preston, N. J. Elton, J. C. Husband, J. Dalton, P. J. Heard, and G. C. Allen, Colloids Surf., A 202, 183 (2002).
[CrossRef]

Räty, J.

I. Niskanen, J. Räty, and K.-E. Peiponen, Meas. Sci. Technol. 17, N87 (2006).
[CrossRef]

J. Räty and K.-E. Peiponen, Appl. Spectrosc. 53, 1123 (1999).
[CrossRef]

J. Räty, K.-E. Peiponen, and T. Asakura, UV-Visible Reflection Spectroscopy of Liquids (Springer, 2004).

Saarinen, J. J.

V. Lucarini, J. J. Saarinen, K.-E. Peiponen, and E. M. Vartiainen, Kramers-Kronig Relations in Optical Materials Research (Springer, 2005).

Vartiainen, E. M.

V. Lucarini, J. J. Saarinen, K.-E. Peiponen, and E. M. Vartiainen, Kramers-Kronig Relations in Optical Materials Research (Springer, 2005).

Appl. Spectrosc. (1)

Colloids Surf., A (2)

J. S. Preston, N. J. Elton, J. C. Husband, J. Dalton, P. J. Heard, and G. C. Allen, Colloids Surf., A 202, 183 (2002).
[CrossRef]

J. S. Preston and L. F. Gate, Colloids Surf., A 252, 99 (2005).
[CrossRef]

Meas. Sci. Technol. (2)

I. Niskanen, J. Räty, and K.-E. Peiponen, Meas. Sci. Technol. 17, N87 (2006).
[CrossRef]

G. H. Meeten and A. N. North, Meas. Sci. Technol. 6, 214 (1995).
[CrossRef]

Other (4)

V. Lucarini, J. J. Saarinen, K.-E. Peiponen, and E. M. Vartiainen, Kramers-Kronig Relations in Optical Materials Research (Springer, 2005).

F.M.Mirabella, ed., Internal Reflection Spectroscopy: Theory and Applications (Dekker, 1993).

J. Räty, K.-E. Peiponen, and T. Asakura, UV-Visible Reflection Spectroscopy of Liquids (Springer, 2004).

E.D.Palik, ed., Handbook of Optical Constants of Solids III (Academic, 1998).

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Figures (3)

Fig. 1
Fig. 1

Schematic diagram of MFS: (a) transmission measurement, (b) reflection measurement. P, polarizer; D, detector.

Fig. 2
Fig. 2

Theoretical (solid curve) and data-fitted measured reflectance of cyan ink at wavelength 450 nm . The scattering coefficient was φ = 0.14 , and the calculated complex refractive of cyan ink 1.562 + i 0.003 .

Fig. 3
Fig. 3

Data for inks: (a) extinction coefficient, (b) reflectance (the angle of incidence was 60.6 ° ), (c) real refractive index as a function of wavelength. In the case of (a) the estimated film thickness is 2.00 μ m for yellow, 1.58 μ m for magenta, and 1.28 μ m for cyan ink.

Equations (3)

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S ( N 21 ) = i = 1 M ( R m i R s ( θ i , N 21 ) ) 2 ,
R s = r s r s * = ( cos θ i N 21 2 sin 2 θ i cos θ i + N 21 2 sin 2 θ i ) ( cos θ i N 21 2 sin 2 θ i cos θ i + N 21 2 sin 2 θ i ) * ,
R s + = R s + φ R s 1.5 ( 1 R s ) ,

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